Teledyne 4220 Installation And Operation Manual Download Page 159

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4220 Flow Meter

Appendix A Replacement Parts

A-5

202-4001-20

O-Ring Silicone #120 .99 ID

.1 W

60-3214-141

Case Latch Assy

109-0605-03

Draw Latch Assy - Small

109-0609-00

Cabinet Catch White

142-2001-00

Component Holder

⁄

142-2003-00

Component Clip

⁄

149-1000-00

Amp Dust Cover 9760-10

149-1001-00

Amp Dust Cover MS9760-14

149-1001-01

Amp Dust Cover 9760-16

202-1000-14

O-Ring #014

209-0166-65

Elbow Nylon

⁄

" NPT to

⁄

" ID

111

239-0416-32

Sheet Edge Fastener #6-32

113

231-0197-04

Scr SS SST PH P 10-32

⁄

115

60-1704-017

Carrying Handle Assembly

116

099-0012-00

Dri-Can Desiccant Canister

*Not Shown

Table A-1 Replacement Parts List (Continued)

Part Number

Complete Part Description

Summary of Contents for 4220

Page 1: ...4220 Submerged Probe Flow Meter Installation and Operation Guide Part 60 3223 130 of Assembly 60 3224 052 Copyright 2001 All rights reserved Teledyne Isco Inc Revision T March 6 2006 ...

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Page 3: ...Return Authorization Number specified Be sure to include a note describing the malfunction This will aid in the prompt repair and return of the equipment Teledyne Isco welcomes suggestions that would improve the information presented in this manual or enhance the operation of the equipment itself Teledyne Isco is continually improving its products and reserves the right to change product specifica...

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Page 5: ...n any way not specified in this manual the protection provided by the instrument may be impaired WARNING If this system uses flammable organic solvents Isco recommends that you place this system in a well ventilated environment designed for these types of materials This environment should be constructed in accordance with federal state and local regulations It should also comply with your organiza...

Page 6: ... sign alert ing you of dangerous voltage inside the product Symboles de sécurité Ce symbole signale l existence d instructions importantes relatives au pro duit dans ce manuel Ce symbole signale la présence d un danger d électocution Warnungen und Vorsichtshinweise Das Ausrufezeichen in Dreieck ist ein Warnzeichen das Sie darauf aufmerksam macht daß wichtige Anleitungen zu diesem Handbuch gehören ...

Page 7: ... are in the MSDS Appendix These sheets provide information about possible hazards from the chemicals Additional MSDS covering various proprietary agents name branded or trademarked mix tures that can also be used with this product are available from the manufacturers of those agents NOTE FLOWLINK is a registered trademarks of Isco Inc All other brand or product names used in this manual are tradem...

Page 8: ...4220 Flow Meter Safety ...

Page 9: ...ust Level Parameters 2 7 2 3 4 Step 4 Reset Totalizer 2 8 2 3 5 Step 5 Sampler Pacing 2 8 2 3 6 Step 6 Sampler Enable 2 9 2 3 7 Step 7 Alarm Dialout Mode 2 10 2 3 8 Step 8 Printer 2 10 2 3 9 Step 9 Reports History 2 10 2 4 Interpreting the Program Screens 2 11 2 4 1 Operating Mode 2 11 2 4 2 Optional Outputs 2 15 2 4 3 Step 1 Program 2 24 2 4 4 Step 2 Flow Conversion Level to Flow Rate 2 29 2 4 5 ...

Page 10: ...Mounting Rings 4 6 4 3 3 U Channel or Invert Mounting 4 9 4 3 4 Power Actuated Stud Gun 4 9 4 3 5 Completing the Probe Installation 4 10 4 4 Other Mounting Techniques 4 10 4 4 1 Rectangular Pipes and Channels 4 10 4 4 2 Stilling Wells or Streams with Very Low Velocity 4 10 4 4 3 Weirs and Flumes 4 10 4 4 4 Securing Probe with a Weighted Plate 4 14 4 4 5 Completing the Probe Installation 4 14 Secti...

Page 11: ...esiccant Cartridge 6 3 6 3 Care of the Submerged Probe and Cables 6 4 6 3 1 Low Maintenance 6 4 6 3 2 Cleaning the Submerged Probe Without Disassembly 6 5 6 3 3 Disassembling the Probe for Cleaning 6 5 6 3 4 Cable Inspection 6 6 6 4 Maintenance of the Printer 6 7 6 4 1 Changing the Roll of Paper 6 7 6 4 2 Ink Ribbon Replacement 6 9 6 4 3 Do Not Disassemble or Lubricate the Printer 6 10 6 5 Servici...

Page 12: ...eter Suspended by the Handle handles may vary 3 7 3 4 Quick Disconnect Box for the Submerged Probe Cover Removed 3 9 4 1 Sensor Installed on a Spring Ring 4 4 4 2 Spring Ring Preparation 4 5 4 3 Mounting Ring in a Round Pipe 4 5 4 4 Universal Mounting Ring Parts 4 8 4 5 Universal Mounting Ring Adjustment 4 9 4 6 Submerged Probe Dimensions 4 12 4 7 Typical Primary Device Installations 4 13 5 1 674 ...

Page 13: ...tery Life Expectancy1 1 10 2 1 ASCII Output Codes 2 18 4 1 Locating the Head Measuring Point 4 11 5 1 4 20 mA Output Interface Specifications 5 5 5 2 Multiple Analog Output Board Specifications 5 7 5 3 pH Probe Specifications 5 17 5 4 D O Probe Specifications 5 22 5 5 YSI 600 Probe Specifications 5 25 6 1 Minimum DOS and Computer Hardware Requirements 6 20 A 1 Replacement Parts List A 4 D 1 Hazard...

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Page 15: ...ormation 1 1 Description The 4220 uses a submerged probe level sensor to measure level The flow meter is normally used with some type of primary mea suring device for measuring flow in an open channel The 4220 has built in standard level to flow conversions that cover the vast majority of open channel flow measurement situations You can also enter a non standard equation or sets of data points tha...

Page 16: ...low using the Manning equation The level measuring device is a submerged probe The flow meter electronically converts the level reading into a properly scaled flow rate value The flow meter also provides standard or optional flow related output signals to be used for Flow proportional sampler pacing and enabling Transmitting level and flow data to an external device on a serial communications loop...

Page 17: ...reasing level in the flow stream This bridge is fed from a con stant voltage source so any change in its output is a result of hydrostatic pressure against the transducer CAUTION You may need to disassemble the submerged probe for clean ing If you do do not touch the metal diaphragm inside the probe with either your fingers or tools Deforming the dia phragm even slightly may ruin the transducer Fl...

Page 18: ...ropriate unit based on the maximum anticipated depth in your flow situation 1 4 Software Upgrades Software for the 4200 Series Flow Meters can be upgraded without the unit being returned to the factory With Flash Memory software updates can easily be installed in the field with a disk a computer and a cable For more information about installing software upgrades in the 4220 Flow Meter see Section ...

Page 19: ...4220 Flow Meter Section 1 Introduction 1 5 Figure 1 2 4220 Controls and Indicators ...

Page 20: ... B Ground C Flow Pulse Output D Bottle Number Input E Event Mark Input F Inhibit Enable Output A 12V B Ground C SDO D Rain Gauge Input A 12V B Ground C Sense Line D SDO E SDI F Analog Output Pulse A Channel 1 Red B Channel 3 Green C Channel 1 White D Channel 2 Brown E Channel 3 Black F Channel 2 Blue A 12V B Ground C Input Signal D Temp E Temp F Switched 12V G Input Signal A 12V B Ground C Level D...

Page 21: ... ink ribbon Connector Type Function 12 VDC 2 pin male M S Connects 12 VDC power to flow meter Sampler 6 pin male M S Connects flow meter to sampler provides flow pulses to sampler receives sampler bottle number composite sample and event mark signal Submerged Probe 5 pin female M S Connects submerged probe level sensor to flow meter Also pro vides connection for reference port vent tube Rain Gauge...

Page 22: ...perature 0 to 140 F 18 to 60 C Storage Temperature 40 to 158 F 40 to 70 C Additional Power Required for Optional Equipment Modem 60 mA maximum during operation 0 1 mA maximum standby High Low Alarm Relay Box 10 mA standby typical 190 mA both relays operated Internal Printer Chart Speeds Off 1 2 1 2 or 4 inches per hour Ribbon 19 7 ft 6 m black nylon replaceable Operating Speed 1 5 lines per second...

Page 23: ...e values the flow meter will perform a linear interpolation to calcu late the flow rate value Table 1 2 Technical Specifications for the 4220 Flow Meter Continued Table 1 3 Technical Specifications for the 3222 Submerged Probe Physical Specifications Dimensions 7 8 diameter 91 2 long 2 2 24 1 cm Weight 3 lb including amplifier box and cable 1 4 kg Body Material CPVC chlorinated polyvinyl chloride ...

Page 24: ...ur Average Current 14 mA 9 mA 23 mA Nickel Cadmium3 10 7 Days5 16 6 Days 6 5 Days Lead Acid4 17 4 Days 27 Days 10 5 days Notes 1 These figures are approximations based on calculations actual times for your flow meter may vary due to factors of battery age charge condition operating temperatures and component differences Minimum set tings are those providing the lowest average current draw Maximum ...

Page 25: ...amperes multiply by 1 000 Examples 4 ampere hours 1 000 4 000 mAh 6 5 ampere hours 1 000 6 500 mAh If you divide this figure by the average current of the flow meter say 15 mA you will have 4 000 15 266 67 hours Divide this number by twenty four to get days 266 67 hours 24 11 1 days As a margin of safety we suggest you subtract 10 from this number 100 5 for 95 capacity and 5 for a reserve at the e...

Page 26: ...gram These functions require power periodically but not all the time If the figures given in the previous table are not satisfactory for your application you can use the following procedure shown in Figure 1 4 to measure the actual current draw Note Do not attempt this procedure unless you have the proper equipment available and know how to make electrical mea surements To measure current for a va...

Page 27: ...th this manual and any flow meter order Com Battery 12 Volt Flow Meter mA A A FLUKE 87 TRUE RMS MULTIMETER 00I5 mA μA V Ω Fluke 87 Connect Cable 60 1394 023 or other current averaging meter clip lead or you can make A good quality adjustable regulated DC power supply can be substituted for the 12 volt battery The power your own supply should have at least 3 Amperes output prefer ably more and capa...

Page 28: ...4220 Flow Meter Section 1 Introduction 1 14 ...

Page 29: ... backlight feature for easy viewing in low light sit uations The display has three different operating modes normal programming and messages In the normal mode the display shows such things as level flow rate total flow parameter measurement etc In the programming mode the top line of the display shows each step as you work through the program while the bottom line shows the choices available for ...

Page 30: ...ping Most steps not finished when you stop will return to the previous selection 2 1 2 Keypad Functions Programming is done on the flow meter s keypad with prompts from the display The following sections describe the function of each key OFF and ON These two keys turn the flow meter off and on Go To Program Step Pressing this key lets you go directly to a particular program step without passing th...

Page 31: ...ng this key lets you rewind the chart onto the take up roll Number keys These keys let you enter numeric values into the flow meter when programming Decimal Point This key lets you enter a decimal point into a numeric value when programming On flow meters equipped with the optional modem only you can use this character as a comma delay when entering dialout numbers Arrow keys These keys referred t...

Page 32: ...of step 3 Adjust Level Parameters To set level you must make an accurate mea surement of the level in the flow stream and then enter that value This can only be done at the job site If you are programming the flow meter for the first time gen erally you will press Enter start with step 1 and go on from there If the flow meter has been in use and you need to change only certain aspects of the progr...

Page 33: ...se the YSI 600 Multi Parameter Sonde which measures pH D O and conductivity at the same time Step 1 Operating Mode determines how you set up the flow meter In this step there are two choices Program and Setup Program advances you to step 2 and from there on you cor relate the flow meter to the flow stream Setup selects various basic housekeeping features for the flow meter Here you determine the i...

Page 34: ...er will then calculate a flow conversion for such a device on the basis of the manufacturers data you enter as data points or an equation In some instances a nonstandard primary device could be supplied with a flow equation you can enter that equation into the flow meter and the flow meter will calculate the flow rate from that equation Note however that it is not always necessary to have a primar...

Page 35: ...ezoidal channels based on this formula Data Point Flow Conversion DATA POINTS calculates flow based on a set of user entered data points for a flow stream Data consist of correlated level and flow measurements for the stream Like the Equation method of flow conversion this flow con version is most commonly used where the primary measuring device is nonstandard but where tables of level and flow ra...

Page 36: ...er qualities dissolved oxygen D O conductivity temperature and pH Conductivity measurements made by the sonde can be used to calculate specific conductivity salinity and total dissolved solids A brief description and specifications for the YSI 600 are printed in Section 5 You may also contact the factory or your Teledyne Isco representative More information on the sonde is found in the YSI 600 Man...

Page 37: ...to work properly for you read the section on hysteresis Then check the hysteresis setpoints for your conditions The defaults are all zero You must have the appropriate sensors attached to the flow meter to measure temperature D O pH conductivity etc the flow meter cannot do this by itself nor does it occur automati cally 2 3 6 Step 6 Sampler Enable Sampler Enable means that in a combination flow m...

Page 38: ...ack from the remote telephone 2 3 8 Step 8 Printer All 4220 Flow Meters have a built in printer The printer is more than just a printer as it is capable of plotting linear data along with printing alphanumeric letters and numbers messages In this step you set the speed for the chart to advance from 1 2 to 4 per hour Chart speed is set according to the amount of reso lution you want to see on the c...

Page 39: ...ound them This means that the item may or may not appear on your flow meter Choices made from the beginning of the program will make some options unavailable later An example of this is the pH D O option Selection of one in Step 1 will keep the other from appearing in all following menus This list does not include all possible screens for the unit but does cover the screens found in a typical prog...

Page 40: ... level in the flow stream DO PH READING INTERVAL refers to the measurement of spe cific aspects of the flow stream other than amount 4220 Flow Meters support measurement of three different characteristics temperature pH the relative acidity or alkalinity of a solution and D O dissolved oxygen Note If you are using the Isco D O sensor or are sensing D O with the YSI 600 Sonde select as long a measu...

Page 41: ...ay will appear After selecting the appropriate parameter reading interval press Enter The Setup menu will reappear This time select STATUS from the Setup menu Press Enter The following will appear HW REV refers to the hardware revision number SW REV refers to the software revision number ID is an identification number for the flow meter If you press Enter again the flow meter will display the syst...

Page 42: ... of the sampler With hysteresis you can enter a value that will keep the flow meter from responding to insignificant changes in the enabling condition You should select a value for hysteresis that is narrow enough to allow the flow meter to respond to any serious change but broad enough to ignore minor changes that could cause chat tering The next three menus may not appear depending on other sele...

Page 43: ...20 mA current loop is a common method used to control industrial processes that are variable rather than just fully off or on At the lower value 4 mA the control is turned off 0 at 20 mA the control is completely turned on 100 In between rates range from 1 to 99 A typical application is a chlorinator which must vary in application of the chlorine gas as the amount of water passing through the syst...

Page 44: ... a Solar Panel Battery Charger The battery is very large such as a deep cycle or marine type battery or an Isco 35 Ampere hour lead acid battery Use only one 4 20 mA output Keep in mind that programming choices also affect power consumption Use minimum settings on the flow meter wher ever possible See Section 1 Table 1 5 Even with these circumstances you may expect significantly shorter charge lif...

Page 45: ... loop from reacting too quickly too much or operating erratically A low pass filter algo rithm is incorporated in the software If you select the MANUAL CONTROL option from the ANALOG OUTPUT menu the following will appear This option lets you control the operation of a 4 20 mA loop to check the operation of equipment controlled by the loop at any level from 0 to 100 After connecting a 4 20 mA outpu...

Page 46: ...r actively using a terminal program Command Line Use the INTERROGATOR connector The lines of text contain the port values for each port that is turned on The DATA command will use a special command response protocol The following table provides the ASCII codes for port types and standard units of measure Table 2 1 ASCII Output Codes Code Parameter Units DE Description String ID Unit specific ident...

Page 47: ...0 and 1200 no parity eight bits and one stop bit Periodic Output Use a special RAIN GAUGE connector cable contact the factory for assistance Note that the periodic output will terminate during phone connection and when the interro gator cable is connected YCO YSI 600 Conductivity Millisiemens per centimeter YSP YSI 600 Specific Conductance Millisiemens per centimeter YSA YSI 600 Salinity Parts per...

Page 48: ...g is an example of a string showing all options In actual practice there are no carriage returns in the text string DE Theresa Street ID 0721577657 MO 4250 TI 35317 343715 BV 12 3 LE 0 1000 VE 0 1225 FL 0 00 1555 VO 2 199325 FV 2 199325 RV 0 000000 SV 2 195539 SS 1 B 0 35317 307384 B0 35317 269907 B0 35317 232593 CS 10819 If you select any of these outputs the flow meter will request that you turn...

Page 49: ... report B monthly At this point we are only interested in selecting the items the flow meter will include in each report Press Enter and the following will appear FLOW METER HISTORY is just off the screen to the right If you select FLOW and press Enter the following will appear Select YES if you want LEVEL to appear in the report then press Enter The following will appear Select YES if you want FL...

Page 50: ... Press Enter again and the display will return to the REPORT SETUP menu This time select SAMPLE HISTORY Press Enter The following display will appear Select YES if you want SAMPLE HISTORY to appear in the report Press Enter again and the display will return to the REPORT SETUP menu This time select FLOW METER HISTORY Press Enter The fol lowing will appear Select YES if you want HISTORY to appear i...

Page 51: ...is necessary to program in a dark environment such as a manhole We recommend using this selection if the flow meter is battery powered but installed in an environment where the lighting is poor CONTINUOUS will cause the backlight to be lit continuously Where the flow meter is powered by an AC power supply battery life considerations do not intervene If the backlight makes the display easier to rea...

Page 52: ... 4 3 Step 1 Program PROGRAM will flash Note that PROGRAM is always the default choice That is because you are more likely to need to make changes in the PROGRAM section of the software than in the SETUP section Note If you choose NOT MEASURED for any selection the flow meter will make no further reference to that function for the rest of the program and you will be unable to activate that function...

Page 53: ... gallons CF cubic feet L liters M3 cubic meters AF acre feet For the next several substeps you must have the appropriate sensor attached to the flow meter s Parameter Port or Rain Gauge Port for the Rain Gauge or YSI 600 Sonde to take advantage of the capabilities You can only have D O temper ature pH temperature or temperature alone on a given flow meter unless you use the YSI 600 Sonde The YSI 6...

Page 54: ... Section 5 for more information about the pH probe If you are not using a pH probe you would select NOT MEASURED for this step If you choose NOT MEASURED for pH no more refer ences to pH will appear for the rest of the program If you select pH you will be unable to measure D O and references to D O will not appear on the rest of the program If your situation requires the measurement of both parame...

Page 55: ...ral different characteristics of a flow stream at the same time The YSI 600 Sonde attaches to the Rain Gauge con nector on the 4220 This connector must be a special modified connector with nine pins Note 4220 Flow Meters with 4 pin Rain Gauge connectors cannot support the YSI 600 It is necessary to return the flow meter to the factory for modifications if you wish to use a YSI 600 Sonde In additio...

Page 56: ...nce to the fol lowing display Selection of NOT MEASURED from any of the YSI menus will prevent you from activating that function later in the program If you wish to make use of the YSI 600 sonde s pH measurement capability select pH If you do not select NOT MEASURED If you wish to make use of the YSI 600 sonde s D O mea surement capability select MG L Otherwise select NOT MEA SURED For any of the ...

Page 57: ...pending on the solubility of the ions in the water and its tem perature Select the appropriate temperature units 2 4 4 Step 2 Flow Conversion Level to Flow Rate WEIR FLUME weir or flume EQUATION equation MANNING Manning DATA POINTS data points If you select WEIR FLUME the following will appear For detailed information on weirs and flumes refer to the Isco Flow Measurement Handbook Consulting the m...

Page 58: ...elow will move onto the screen If you select PALMER BOWLUS this will appear If you press the right arrow key several times the sizes shown below will move onto the screen SELECT V NOTCH WEIR ANGLE IN DEGREES 22 5 30 45 60 90 120 END CONTRACTIONS ON RECTANGULAR WEIR YES NO RECTANGULAR WEIR WITH END CONTRACTIONS ENTER CREST LENGTH XX XXX FEET or meters CIPOLLETTI WEIR ENTER CREST LENGTH XX XXX FEET ...

Page 59: ...n The equation is expressed in the general form of Q k1HP1 k2HP2 where Q flow rate k1 a constant H level or head and P1 is the power to which H is raised k2 and P2 are a second constant and power found in some equations If your equation has only one term you should enter 0 for the second constant Returning to Step 2 SELECT FLOW CONVERSION if you select MANNING the following will appear TRAPEZOIDAL...

Page 60: ...mum normal and maximum Then If you select U CHANNEL for the Manning flow conversion the following displays will appear Slope and roughness are entered as for ROUND PIPE previ ously Then If you select RECTANGULAR for the Manning flow conversion the following displays will appear Slope and roughness are entered the same as for ROUND PIPE previously Then MANNING ROUND PIPE SLOPE X XXXXX ROUGH X XXXX ...

Page 61: ...r second CFD cubic feet per day GPH gallons per hour AFD acre feet per day CFH cubic feet per hour DATA POINT flow conversion allows you to enter measured level and flow rate values for a number of different points The 4220 Flow Meter can accept up to four sets of data points with each set containing as many as fifty points The flow meter then performs a three point interpolation to cal culate a f...

Page 62: ... or change the units of measure used in the data set Note that you can only set UNITS if the set is empty or you have cleared it You cannot change the units once you have entered data points into a set unless you clear it and start over SAVE tells the flow meter to save the data set as it is If you select either EDIT POINT or ADD POINT the following display will appear Enter Maximum Head All Model...

Page 63: ...ou will depend on what ports you have turned on previously and what accessories YSI pH DO probes rain gauge etc you are using with your flow meter After you select one of the choices available to you the flow meter will request that you enter minimum and maximum values for that choice Note that 4 MA in the second line of the display could also be 0 MA if that is what you selected for the current l...

Page 64: ...his menu exit the program and return to Setup Check to see that you have not accidentally locked your choice out with selec tions you made in the early section of the program If you select NONE the flow meter will advance to the next step If you select LEVEL the following will appear First measure the level in the flow stream This is usually done with either a measuring stick or you read the level...

Page 65: ...would probably select pH 7 10 If your stream s pH varies a great deal say from 3 to 12 your best choice would be pH 4 7 10 Then The flow meter will direct you to repeat this process with the other standard buffers 7 and or 10 to calibrate the pH sensor If the probe fails to provide the correct output with any of the buffer solutions you will receive the following message If you select D O for Para...

Page 66: ...appear Select the appropriate units and press Enter Enter the altitude for your location Then For more detailed information on the pH and D O probes see Section 5 Returning to step 3 Parameter to Adjust the following display will appear Note If you are using the YSI Sonde and YSI 600 does not appear on your display return to step 1 Program and make sure you have selected YES from the YSI CONNECTED...

Page 67: ...r than wrap a moist cloth around it as is done for the Isco D O sensor If you select CONDUCTIVITY for the parameter to calibrate the following display will appear MS CM is milli siemens per centimeter The siemen is the S I Système Internationale name for the unit of conductance which is also the reciprocal of the ohm The siemen was formerly called the mho ohm spelled backwards and that term may be...

Page 68: ...Meter Section 2 Programming 2 40 Then Then There is no need to calibrate the YSI 600 temperature sensor as it is self calibrating PLACE PROBE IN X XX PPT PRESS ENTER WHEN STABLE X XX MS CM CALIBRATING PLEASE WAIT ...

Page 69: ...n in g Er ror Wa rnin g Error Wa rn in g Error Wa rn in g Error Wa rn in g E rror Wa rnin g G ood Cali brat ion G ood Cali brat ion Good Cal ibrat ion Good Cal ibrat ion G ood Cali brat ion Good Cal ibrat ion No No No No No Ye s Ye s Ye s Ye s Ye s Calibrating Please Wait Calibrating Please wait Calibrating Please wait Calibrating Please wait YS I 600 Parameter To Calibrate None Ph Conducti v ity ...

Page 70: ...ses as counts When an appropriate number of flow pulses has been received by the sampler it will take a sample If you select step 5 the following will appear VOLUME will not appear if the flow meter is measuring level only or is only being used for parameter monitoring The Flowlink menu option will not appear unless Flowlink software is installed and pacing has been downloaded from Flowlink If you...

Page 71: ...ed to the flow meter TEMPERATURE can be measured alone or with either parameter D O and or pH may not appear on the menu depending on selections made in step 1 If you do not see the item you need return to step 1 and recheck your programming If you did not make the proper selections there certain menu options will not appear here as they would have been locked out The YSI 600 conditions of pH DO C...

Page 72: ...ed the sampler In that case you would select AND for the SELECT OPERATOR step Then you would define the second condition Now the flow meter will signal the sampler only after both conditions have changed The next screen on the flow meter after you have established the conditions for sampler pacing will request the following Entering 0 sends no pulses This option allows you to send flow pulses peri...

Page 73: ...verridden by a command from Flowlink The STORM option will not appear unless you turned on rainfall measurement in step 1 STORM selection is what you use when you want to monitor storm water runoff STORM enabling is really a combination of conditions First enter a value for LEVEL in the flow stream Second enter a value for RAINFALL Third enter an amount of time over which the rainfall occurs Final...

Page 74: ...l ask you to enter a minimum value for the selected condition If the condition falls below that value later the flow meter will enable the sampler If you select RATE OF CHANGE the flow meter will ask you to enter two values one for the condition and the other for a period of time over which the change occurs After you have determined what condition will signal the sampler and under what circumstan...

Page 75: ...f normal In the latching mode the sampler will be enabled the first time the condition goes outside of normal and the sampler will stay enabled regardless of any later changes to the enabling condition If this is the case the following menu will allow you to reset the sampler enable feature Note that this menu will not appear unless the condition necessary to enable the sampler has been met and th...

Page 76: ...pear The intervals above are the periods of time over which the rainfall occurs The amount of rain entered in the previous step and detected by the rain gauge must fall during the time interval chosen from this menu before the flow meter recognizes the event as a storm The next menu defines the interval that must pass between storm events If you select CONDITIONAL for alarm dialout the following w...

Page 77: ...you don t need more than one condition to trigger the alarm If you want either of two conditions to trigger an alarm select OR If you want both of two conditions to be met before signalling an alarm select AND Selection of DONE will advance you to the next display menu Selection of OR or AND will return you to the CONDITION menu to select the other condition The flow meter will then request that y...

Page 78: ...apable of printing alphanumeric information words and numbers and at the same time plotting linear data like flow level pH etc The unit can print as many as three dif ferent data lines at the same time it regularly records other printed information routinely supplied from the flow meter Program selections made in this step will determine the appearance of the printer printer s chart The first menu...

Page 79: ... the INPUT FOR PRINTER LINE menu will leave this line blank Selection of conditions other than pH D O TEMPERATURE or YSI functions will result in a request that you enter the full scale value for the con dition being plotted For example if you selected LEVEL as a condition the following would appear The flow meter automatically goes into over range if the data goes higher than the full scale value...

Page 80: ... of time covered in the report maximum and minimum levels and when they occurred You can define two different reports in this step For example this is used to provide weekly and monthly reports You can choose the content of the reports by working through the menus in step 1 Go to step 9 and the following display will appear If you select OFF the program will advance to the next step and there will...

Page 81: ... meter is HISTORY This step presents a record of the programming activity on the flow meter that you can have printed on the printer The flow meter keeps a record of certain programming changes and prints them out If you select YES the following will appear If you select PRINT SINCE LAST the flow meter will only print the changes that have occurred since the last print request If there were no cha...

Page 82: ... CHANGED PLOTTER TURNED ON PLOTTER TURNED OFF TIME CHANGE FROM TIME CHANGE TO REPORT A CHANGED REPORT B CHANGED REPORT A TURNED ON REPORT B TURNED ON REPORT A TURNED OFF REPORT B TURNED OFF TOTALIZER RESET INTERROGATED SAMPLER ENABLED SAMPLER DISABLED ALARM ACKED BY X ALARM NOT ACKNOWLEDGED YSI pH ADJUSTED YSI D O ADJUSTED YSI CONDUCTIVITY ADJUSTED ...

Page 83: ...ccessory package and looks like a small flat can with little holes in it Open the flow meter case lid Note the small clamp that resembles a bottle cap opener located near the bottom right hand corner of the case lid Install the des iccant canister by pressing it under this bracket with its viewing window lined up with the circular hole in the bracket Make sure the clamp is fully engaged over the c...

Page 84: ...n measured level when you know the level is essentially constant or an oscillation in the level corre sponding to changes in barometric pressure are two indicators of clogging in the reference port tube If dirt and or moisture block the reference tube between the des iccant cartridge and the Submerged Probe connector on the flow meter you may be able to clear the blockage from the tube by applying...

Page 85: ...w Power Indication When power to the flow meter falls too low for the unit to operate properly the message POWER LOST LOW BATTERY will appear on the top line of the display When power is lost or falls below operating limits the flow meter will stop measuring level the display will go blank and the internal printer will not be able to print However the internal battery backed RAM will retain progra...

Page 86: ...eledyne Isco packages this battery specifically for use with Isco flow meters and samplers Refer to the Power Products Guide accom panying this manual for detailed information about this battery and the procedure for charging it 3 2 4 Attaching the Nickel Cadmium Battery Install the battery on the top of the flow meter case and attach its connector to the 12 VDC connector on the side of the flow m...

Page 87: ... Power Products Guide Please read that manual if you intend to use lead acid batteries on your flow meter 3 2 6 Attaching the Isco Lead Acid Battery The lead acid battery installs the same way as the nickel cadmium battery Place the battery on top of the case and secure it with the rubber draw catches Attach the connector to the flow meter If your flow meter is permanently installed you may need t...

Page 88: ...3 2 8 Attaching the Power Supply Mount the power supply on top of the flow meter cabinet the same way as described for the battery Secure the power supply with the two rubber draw catches pulled over the brackets on the ends of the power supply Attach the short cable with the smaller connector to the top connector on the right side of the flow meter case Connect the longer cord with the plug on it...

Page 89: ...oltmeter Never attach the flow meter directly to an AC power source of any voltage under any circumstances Charge the battery in accor dance with the manufacturer s instructions Figure 3 3 4220 Flow Meter Suspended by the Handle handles may vary 3 3 Flow Meter Mounting and Installation Procedures Because the 4220 Flow Meter is a portable device you may or may not install it permanently You can sus...

Page 90: ...teel mounting bracket or vertically supported by the two plastic rails on the bottom of the case You can also panel mount the flow meter using the mounting bracket on the top rear of the case or suspend it from a ladder rung using the optional suspension bracket To use the bracket the carrying handle should first be installed on the flow meter as described above Then slip the handle through the su...

Page 91: ...ldered to it Mount the Quick Disconnect Box with screws through the holes in the stainless steel backplate The M S connector on the submerged probe cable connects to the mating connector on the side of the Quick Disconnect Box Note the desiccant cartridge on the bottom of the Quick Dis connect Box This provides the atmospheric reference to the sub merged probe s pressure transducer If there is any...

Page 92: ...ctory sealed and neither the shielding nor the vent tube inside can be satisfactorily spliced in the field CAUTION Teledyne Isco does not recommend connecting multiple exten sion cables together in an attempt to exceed the 75 foot limit Increasing the length of the vent tube beyond 75 feet slows the response of the pressure transducer and this may cause mea surement errors For greater distances us...

Page 93: ...meter is programmed to signal the sampler to take a sample after a specific volume of flow has passed through the flow stream rather than after a particular period of time In this mode the sampler and flow meter will be able to compensate for varying flow rates The 4220 Flow Meter may be used with any of the Isco Wastewater Samplers listed in Section 1 An optional 25 foot 7 6 m long connect cable ...

Page 94: ...4220 Flow Meter Section 3 Installation 3 12 ...

Page 95: ...LUME flow con version when programming the flow meter there is a specific location for the probe with each primary device The Isco Open Channel Flow Measurement Handbook provides much useful information in this regard If you want to measure flow using a gravity flow equation such as the Manning equation you will generally install the probe in the entrance upstream pipe of a manhole If you want to ...

Page 96: ... a practical minimum water level below which the submerged probe cannot reliably measure level This minimum level is approximately equal to the height of the probe body 0 1 ft 1 3 in or 0 030 m Liquid levels lower than this will be below the levels used to cali brate the sensor The submerged probe level sensor will continue to measure levels less than 0 1 ft however the accuracy of the measurement...

Page 97: ... options available for mounting the probe in pipes or round bot tomed flow streams For pipes up to 15 38 1 cm in diameter stainless steel self expanding mounting rings Spring Rings are available For pipes larger than 15 in diameter Teledyne Isco offers the Universal Mounting Rings Scissors Rings 4 3 1 Spring Rings To install a spring ring you compress the ring slip it inside the pipe and then allo...

Page 98: ...lete the sensor spring ring assembly procedure attach the sensor cable to the downstream edge of the ring Follow the cable routing shown in Figure 4 1 Other routing directions may affect measurement accuracy The cable can actually create a stilling well downstream from the sensor causing the level to read low Use the self locking plastic ties supplied with the ring Install the ring in the pipe by ...

Page 99: ...fastened along the back downstream edge of the ring Otherwise the sensor may provide inaccurate level readings under conditions of high velocity Do not overtighten the plastic cable ties they should be tight ened just enough to secure the cable in place without greatly indenting the cable Overtightening the plastic ties may col lapse the reference tube in the cable blocking it Flow ...

Page 100: ...one or more extension sections usually and a scissors section at the top that expands the entire assembly and tightens it inside the pipe The scissors section contains a long screw that increases the length of the section as it is tightened The assembled scissors rings fit pipe diameters from 16 to 80 Secure the unit in place by tightening the scissors mechanism with a 5 8 socket wrench or other s...

Page 101: ...Under varying conditions different pipes may require different ways to install the par ticular assembly Do not try to install the larger ring assemblies in pipes during conditions of high flow Always try to install during times of lowest flow for reasons of safety as well as ease of installation The hardware kit provides plastic cable ties to secure probe cables along the back of the ring It also ...

Page 102: ...mbled Scissors Ring flat view inside of assembly shown Flow 1 2 3 4 3 4 min 15 9 max The table below indicates recommended part configurations for various pipe diameters DIAMETER PARTS 16 18 Base Alone 21 Base 2 1 Extensions 24 Base 1 2 Extension 30 Base 2 2 Extensions 36 Base 2 2 Extensions 2 1 Extensions 42 Base 2 3 Extensions 2 1 Extensions 48 Base 2 4 Extensions 2 1 Extensions 54 Base 2 3 Exte...

Page 103: ...g Adjustment 4 3 3 U Channel or Invert Mounting It is possible to mount a probe in a U channel or invert but you will not be able to use the complete ring You can use the base section only and attach it to the U channel surface with studs fired from a power activated stud gun Consult the factory for more information if you must mount a sensor in a U channel 4 3 4 Power Actuated Stud Gun If the con...

Page 104: ...and installing the rings in a pipe Though deburred the edges of the stain less steel can cut if improperly handled Please read the infor mation on how best to install this device Observe general safety procedures when entering any man hole See General Safety Procedures in the back of the man ual for more information on general hazards and necessary precautions Note The countersunk holes on the bas...

Page 105: ...g device installations the sub merged probe mounting rings or base sections discussed previ ously may be used to mount the probe at the appropriate location In many installations though the mounting rings or bases may not be suitable Mounting hardware may have to be fabricated locally to allow the level sensor to be mounted at the correct location in the primary device The only requirements for cu...

Page 106: ...ically for use with Isco submerged probe level sensors Typically these are Parshall or Palmer Bowlus flumes Contact the manufacturer for details on these flumes Figure 4 6 Submerged Probe Dimensions 3 625 9 21 cm 7 249 18 42 cm 9 38 23 82 cm 0 812 2 06 cm Bore 0 437 X 0 330 Deep 1 11 X 0 838 cm 0 141 Dia Thru 0 358 cm 0 670 1 70 cm 0 875 2 22 cm ...

Page 107: ...r Bowlus Flume Base Bottom Assembly Round Pipe Probe installed from above outside of manhole by using Street Level Installation System Parshall Flume Probe Mounted in Recess Round Pipe Contact the factory or your Teledyne Isco Representative for additional information about the Street Level Installation system Street Level Installation Components 1 Handle 2 Ring ...

Page 108: ...cable clamps or other means The reference tube inside the cable can be restricted or blocked if the cable is kinked sharply bent or otherwise pinched The probe cable should be handled and mounted with care Also if there is any appreciable distance between the point where the probe cable leaves the mounting apparatus and the location of the flow meter be sure to attach the cable to the flow stream ...

Page 109: ... Output Interface alarm box rain gauge and parameter probes are options you can field install any time The modems require factory modification to the flow meter and you should specify these options when you order If you want to add any of these later you will need to return the flow meter to the factory 5 1 4200T Modem The 4200T Modem is a circuit board installed inside the flow meter that transmi...

Page 110: ...o the phone line This equipment complies with part 68 of the FCC rules On the case of this equipment is a label that contains among other information the FCC registration number and ringer equivalence number for this equipment If requested this information must be provided to the tele phone company This equipment uses the following USOC jacks USOC RJ11C The REN is used to determine the quantity of...

Page 111: ...5 1 4 Types of Service The 4200T Modem is compatible with standard telephone lines and comes with a 12 foot cable The cable connects the flow meter s Modem connector to a standard telephone jack type USOC RJ11C supplied by the phone company You must mount the flow meter within 12 feet of this jack We are required by the FCC to provide the following notice This equipment generates and uses radio fr...

Page 112: ... flow sample number bottle number text time and date If you are using the flow meter with an Isco sampler the data line also includes an indication of a sampling event You can transmit this data line to a computer or to a locally con nected within 250 feet device capable of interpreting serial data such as a video display terminal or a printer The specifica tions for this serial data output are as...

Page 113: ...ower supply Commercial power 120 VAC must be available for this device Battery operation 12 VDC is not feasible due to voltage and current demands It comes with a line cord con nectors and two interconnect cables One cable has 6 pin M S connectors on both ends This cable connects the input of the 4 20 mA Output Interface to the flow meter Interrogator connector The other cable has a three pin plug...

Page 114: ...g to extend battery life Use a Solar Panel Battery Charger Use a larger battery either a commercial deep cycle marine type or an Isco 35 Ampere hour lead acid battery Order only one analog output Flow meter program choices also affect power consumption Use minimum settings if possible See Section 1 Table 1 5 and Section 5 The outputs from the analog output board are electrically iso lated from the...

Page 115: ...intout to be expressed in metric You may if you wish provide a rain gauge of your own choice but to ensure compatibility with the flow meter s oper ating environment it must conform to the following specification It must provide an isolated dry contact closure It must be a normally open contact configuration It must close for 100 ms 25 ms 150 ms with less than 2 ms contact bounce Table 5 2 Multipl...

Page 116: ...rther analysis In addition to storing data this software makes it possible to divide part of the flow meter s memory into partitions These partitions may be for matted in rollover or slate mode of data storage You can also set up the flow meter to store data as a result of some sort of triggering event such as level rising to a predetermined point the passage of a predetermined time interval or th...

Page 117: ... powered installation and you can expect to change the battery more often 5 6 1 Installation The High Low Alarm Relay Box is enclosed in a high strength plastic box and is easily installed Mount the unit with cor rosion resistant hardware through the 2 holes in the stainless steel mounting plate attached to the case Two threaded holes in the case allow the use of either 1 2 conduit fittings or com...

Page 118: ...only may be suspended vertically in the stream Teledyne Isco offers a series of rings that provide mounting for the probes in round pipes Each probe snap mounts to a specialized sensor carrier The sensor carrier then attaches to the rings or mounting straps The probe cable is carefully routed out of the stream Only the temperature probe can connect directly to the flow meter s parameter probe conn...

Page 119: ...his resistance change to a temperature reading and displays it in degrees Celsius or Fahrenheit as chosen by menu selection Figure 5 2 Temperature Probe 5 9 The pH Probe The pH probe measures the acidity or alkalinity of an aqueous solution by determining the relative quantity of dissociated hydrogen ions H actually H3O in the solution A larger quantity of H ions indicates acidity while a smaller ...

Page 120: ...n easily be removed as sludge The resultant solution will be high in pH and will require acid to neu tralize it Figure 5 3 pH Probe with protective cap The pH probe is a combination of two electrochemical half cells Together they provide a low voltage signal that corresponds to the hydrogen ion concentration of a solution If you look at the pH probe you will see a glass bulb on one end This is cal...

Page 121: ...o the parameter module to allow greater operating distance from the flow meter The flow meter determines the pH value and displays it 5 9 1 pH Probe Calibration The 4220 provides a two or three point calibration for the pH probes with commercially prepared calibrated buffer solutions Calibrations of 4 and 7 7 and 10 and 4 7 and 10 are all pos sible For accurate readings you must clean and re calib...

Page 122: ...conds during which time the most recent reading will be displayed This may be normal flow meter operation due to other internal functions or could indi cate pH fluctuation in the stream 5 9 2 pH Probe Installation Guidelines Installation of the pH probe is similar to the submerged level sensor and other parameter probes Install the probe only in streams that have continuous flow The sensing end of...

Page 123: ... 15 diameter and smaller For larger pipes use the Isco Universal Mounting Ring For installation details refer to the instruction sheet supplied with the mounting ring The mounting rings are held in place by the outward force of spring pressure in the smaller sizes and by a screw arrangement in the larger sizes After mounting the probe in the ring or strap route the cable out of the stream so it wi...

Page 124: ... and or 10 Another indication of end of life is when the probe calibrates satisfactorily but takes too long to stabilize more than 10 minutes Such a probe could not possibly respond to rapidly changing pH If your situation requires fast response you should consider replacement when stabilization time reaches 5 minutes You can mount the probe facing either upstream or downstream but Isco recommends...

Page 125: ...er solution is not available Deionized water is good for quick rinses to clean the element but not for prolonged storage of an electrode Con tinuous exposure of the ion sensitive membrane to a wetted but non ionic solution will improperly condition the membrane The reference electrode is also adversely affected when allowed to dry out Salt crystals from the electrolyte or precipitates of the solut...

Page 126: ...centration of dis solved oxygen to thrive typically 4 to 6 mg l Various types of pollution can cause the amount of oxygen dis solved in water to drop sharply placing the aquatic life forms at serious risk The D O probe measures the amount of oxygen dis solved in water in a range from 0 to 20 mg l Note that the flow meter can display D O in either mg l milligrams per liter or ppm parts per million ...

Page 127: ...he force causing the oxygen to diffuse through the membrane is propor tional to the absolute pressure of oxygen outside the membrane As the oxygen partial pressure varies both the oxygen diffusion through the membrane and the probe current change propor tionally 5 10 2 Probe Preparation The following describes how to prepare a new probe for use or how to change membranes on an existing probe First...

Page 128: ...toring situations only typical of our users applications Use only this thickness membrane with D O probes connected to Isco flow meters Do not use other thickness of membranes as the 270 D O module no longer sold used with the probe is calibrated only for the 2 mil membrane and cannot be recalibrated in the field Do not use other membrane thicknesses or inaccuracy will result Besides the thinner m...

Page 129: ... cathode must always be bright If it is tarnished which can result from contact with certain gases or plated with silver which can result from extended use with a loose or wrinkled membrane you need to restore its surface You can return it to Isco or clean it yourself with a probe reconditioning kit This kit is available from Isco Never use chemicals or any abrasive not supplied with this kit It i...

Page 130: ... already been done fill the probe cavity with electrolyte and seat the mem brane Table 5 4 D O Probe Specifications Cathode Gold Anode Silver Membrane FEP Teflon 2 mil standard Electrolyte Half saturated KCl Potassium Chloride Temp Range 0 to 45 C Polarizing Voltage 0 8 Volts Nominal Probe Current in Air at 30 C 19 microamps nominal Probe Current in Nitrogen at 30 C 0 15 microamps or less Connecti...

Page 131: ...is display will appear Altitude is just off the screen You can select D O STANDARD if this calibration medium is available to you Do not select ABS absolute BAROMETRIC PRESSURE unless you are at sea level or know how to correct for this value The barometric pressure provided from the Weather Bureau is corrected for altitude Select ALTITUDE Then Enter the altitude for your location This is critical...

Page 132: ...collection system It is intended for use in research assessment and regulatory compliance The YSI 600 Sonde can measure the following water qualities Dissolved Oxygen Conductivity pH Salinity Total Dissolved Solids Temperature Figure 5 8 The YSI 600 Multiple Sensor Sonde The YSI 600 is ideal for profiling and monitoring water condi tions in industrial and wastewater effluents lakes rivers wet land...

Page 133: ...pro cessing The YSI 600 is available with a 25 foot cable to connect to the flow meter The cables are waterproof at the sonde and can be used in lab or field Information about programming the flow meter to use the YSI 600 is found in Section 2 of this manual Information about the YSI 600 Sonde is found in the YSI manual Table 5 5 YSI 600 Probe Specifications Complete Unit Medium Fresh Sea or Pollu...

Page 134: ...0 Air Saturation Accuracy 2 Air Saturation Resolution 0 1 Air Saturation Dissolved Oxygen mg L Sensor Type Calculated from air saturation temperature and salinity Range 0 to 20 mg L Accuracy 0 2 mg L Resolution 0 01 mg L pH Sensor Type Glass Combination Electrode Range 2 to 14 pH Units Accuracy 0 2 Units Resolution 0 01 Units Conductivity Sensor Type Four Electrode Cell Range 0 to 100 mS cm Accura...

Page 135: ...cabinet door form a seal when the door is closed Keep this seal free of dirt sand etc If it isn t clean it carefully with a damp cloth Also keep the rubber gasket in the lid clean You can clean it with a small brush and a damp cloth If you do any cleaning while the case is open be careful not to let any dirt or debris fall inside the flow meter assembly It is best to work on the flow meter with th...

Page 136: ...e vents the ref erence port of the pressure transducer 6 2 1 Regenerating the Internal Case Desiccant Look at the desiccant canister each time you open the case The canister has a window on its side that appears blue or yellow when the desiccant is dry As the desiccant absorbs moisture the window will turn pale pink or green When the window is pink or green you need to regenerate the desiccant or ...

Page 137: ...not remain in the room while the regeneration is taking place To regenerate the desiccant cartridge 1 Carefully snap it out of its bracket 2 Pull the silicone tubing from the end of the cartridge 3 Remove one of the end caps from the cartridge by twisting and pour the saturated desiccant into a metal ceramic or other heat resistant container 4 Identify the desiccant and heat it at the proper tempe...

Page 138: ... directly behind a thin stainless steel dia phragm that faces the nose section of the probe If you remove the nose section from the submerged probe to clean it this dia phragm will be exposed Read the following sections carefully before attempting to disassemble the probe CAUTION If you disassemble the submerged probe for cleaning do not touch the stainless steel diaphragm with your fingers or too...

Page 139: ... brush 3 Gently flush the inside cavity of the submerged probe with water Do not use brushes or tools to try to remove matter lodged in the submerged probe s ports or cavity 4 If the ports are clogged and do not clear with the running water you may have to carefully disassemble the sub merged probe 6 3 3 Disassembling the Probe for Cleaning If you cannot clean the submerged probe sufficiently by w...

Page 140: ...y sealed unit that cannot be repaired Keep connectors clean and dry In permanent installations such as treatment plants for example install the cables so they are not at risk of damage resulting from other activity taking place in the area In temporary installations do not leave cables lying around where they may be run over by heavy equipment Do not leave extra cable lying around in the flow stre...

Page 141: ...ke up roll 2 Pull straight out on this handle until the take up roll slips off the printer 3 Remove the paper roll from the take up spool by holding the handle in one hand with your thumb pressed against one of the slots in the white end cap 4 Snap the white end cap free from the two black catches on the end of the spool 5 Pull the paper roll off the spool with your other hand END CAP REROLL SPOOL...

Page 142: ...aper and set the roll on top of the cabinet 7 Use your fingers to feed the paper down the back of the internal printer to where it touches the roller Make sure the paper gets past the lever for the paper sensing switch 8 Press the Chart Advance key and hold it until the paper comes through the printer mechanism 9 When the paper comes through reinstall the feed spool with the new roll on it by snap...

Page 143: ...ere is paper in the unit pull out the take up spool and unroll enough paper to get it out of the way so you can clearly see the two ribbon spools Each spool has a rib bon detecting lever pressing against the ribbon Note the direction the ribbon leaves the left spool and how it winds onto the right spool 3 Take hold of one of the spools and rotate it slightly loosen ing the ribbon 4 Hold the detect...

Page 144: ...holding on to any part of the printer The internal printer contains no user serviceable parts other than the paper and the ribbon If the printer needs service Teledyne Isco recommends you return the flow meter to the factory 6 5 Servicing And Troubleshooting The remainder of this section provides servicing information and a general troubleshooting guide This information will help you decide whethe...

Page 145: ...binet you can locate and change fuses The fuses are located on the printed circuit board directly behind the keypad There is an aluminum cover over this board Remove the cover by pressing against its surface with the palm of your hand and then pulling downward on it with your fingers A plastic catch under the cover holds it in place The fuses are labeled F1 F2 and F3 The proper size for each of th...

Page 146: ...INTER FUSE PRINTER JAMMED PAPER OUT 6 5 4 System Reset If the flow meter does not appear to be operating normally you can try to restart the processor by turning the unit off waiting a few minutes and then turning the unit back on If that doesn t work you can reset the software CAUTION This procedure will cause most programmed entries and accu mulated data stored in the 4220 to be lost and the flo...

Page 147: ...you are skilled in the evalu ation and repair of microprocessor based circuitry Teledyne Isco recommends no attempt be made to disassemble or repair the printer mechanism or display module 6 6 Preliminary Troubleshooting Steps The electronic circuitry of the 4220 is solid state and its reli ability is high If the unit should fail to operate properly the problem is most likely a mechanical failure ...

Page 148: ...tors and cable from the submerged probe 2 Check all 3 fuses to see if they are blown see Figure 6 7 3 Check the battery or power supply Proper voltage to the unit should be from 10 5 to 14 5 VDC If the unit is powered from the AC supply make sure the branch circuit is delivering at least 110 VAC to the power supply cord 4 Check the wiring harnesses connectors and solder joints Under normal conditi...

Page 149: ... destroy CMOS circuitry when performing repair work Ideally all tools soldering irons etc should be grounded and work should be conducted on a grounded metal workbench with grounding straps worn on the wrists of personnel It is recog nized that in most field repair situations such precautions are impractical However certain extreme hazards must be avoided Never perform any work in a room with a ca...

Page 150: ...ure has broken the foil traces or pulled the cores from holes on the board 6 8 Using FLASH UPDATE Teledyne Isco manufactures a number of instruments 4100 Series Flow Loggers 4200 Series Flow Meters and 6700 Series Samplers that use circuitry based on FLASH EPROMs Unlike earlier EPROMs that require UV erasure and were not easily field replaced the FLASH EPROM lets you upgrade the software in the in...

Page 151: ... updates the software it uses the update files on the FLASH UPDATE disk and disregards the FLASH UPDATE program Refer to the Flowlink Help files for more information Use FLASH UPDATE only if you do not have Flowlink available The instructions in the following section Running FLASH UPDATE assume you are running the program from the update disk However you may prefer to copy the disk s contents to y...

Page 152: ...eference settings 1 Click Cancel in the Introduction window 2 Select Preferences from the Options menu The notes in Figure 6 10 explain the selections in the window When you have selected your preferences select OK 3 Select Update Software from the Options menu and follow the instructions in each window Figure 6 8 Update File Menu Interrogator Port Icon This window appears only when the directory ...

Page 153: ...ences Window Options Menu Select the COM port that corresponds to the serial port used for the Computer Connect Cable Select Newest Version to see only the most recent update files in a directory Select All Update Files to see all update files Select the color scheme that best matches your monitor ...

Page 154: ...640 kilobytes RAM Random Access Memory minimum Serial port For connecting the computer to Isco flow meters flow loggers or samplers Keyboard Any compatible keyboard Hard disk Not required Floppy disk 31 2 inch floppy drive 1 44 mega bytes At least one floppy disk drive Monitor LCD Gray Scale Color or Monochrome IBM CGA EGA or VGA compatible Mouse Microsoft compatible mouse Optional Mouse recommend...

Page 155: ...their corresponding line numbers in Table A 1 for part numbers and descriptions Replacement parts can be purchased by contacting Teledyne Isco s Customer Service Department Teledyne Isco Inc Customer Service Department P O Box 82531 Lincoln NE 68501 USA Phone 800 228 4373 402 464 0231 FAX 402 465 3022 E mail IscoInfo teledyne com ...

Page 156: ...4220 Flow Meter Appendix A Replacement Parts A 2 ...

Page 157: ...4220 Flow Meter Appendix A Replacement Parts A 3 ...

Page 158: ...Assembly 17 60 3234 023 Reroll Spool Assembly 18 60 1874 024 Desiccant Cartridge Assy 28 60 3213 098 Printer Mod 37 60 3213 229 Spool End Cap 39 60 3213 255 Wall Mount 40 60 3213 259 Window 41 60 9003 031 Connector Hole Plug 42 60 3233 099 Hinge Pin 43 60 3233 106 Desiccant Can Holder 44 60 3233 115 Connector Clip 688 Dia 45 60 3233 116 Connector Clip 813 Dia 46 60 3233 117 Connector Clip 938 Dia ...

Page 159: ...nent Clip 3 4 76 149 1000 00 Amp Dust Cover 9760 10 77 149 1001 00 Amp Dust Cover MS9760 14 78 149 1001 01 Amp Dust Cover 9760 16 82 202 1000 14 O Ring 014 84 209 0166 65 Elbow Nylon 1 8 NPT to 1 4 ID 111 239 0416 32 Sheet Edge Fastener 6 32 113 231 0197 04 Scr SS SST PH P 10 32 1 4 115 60 1704 017 Carrying Handle Assembly 116 099 0012 00 Dri Can Desiccant Canister Not Shown Table A 1 Replacement ...

Page 160: ...4220 Flow Meter Appendix A Replacement Parts A 6 ...

Page 161: ...60 3003 041 4220 Accessories 4220 Flow Meter Instruction Manual 60 3224 052 4220 Flow Meter Pocket Guide 60 3223 103 Standard Nose Section 60 2503 086 Slanted Nose Section 60 2503 097 Flume Probe Cap 60 2503 105 Submerged Probe 10 Range with 25 foot cable 60 3224 002 25 Extension Cable for the Submerged Probe 60 3224 004 50 Extension Cable for the Submerged Probe 60 3224 005 Reference Port Tubing ...

Page 162: ...cludes a YSI to Isco 4200 6700 adapter cable calibration transport cup 1 stainless steel nose weight and YSI instruction manual Many other configurations of the YSI 600 Sonde are available without either the pH and or D O sensors or supplied with 50 100 or 200 ft cables Also avail able is a low ionic strength pH sensor for use in streams with very low conductivity 10mmhos cm or less Call the fac t...

Page 163: ...probe with internal temperature sensor 60 3208 001 Probe Carrier for D O probe and separate Temperature probe 60 3204 006 Mounting Rings Probe Mounting Ring for 6 pipe 60 3200 007 Probe Mounting Ring for 8 pipe 60 3200 008 Probe Mounting Ring for 10 pipe 60 3200 009 Probe Mounting Ring for 12 pipe 60 3200 010 Probe Mounting Ring for 15 pipe 60 3200 011 Universal Mounting Ring for Pipes 16 diameter...

Page 164: ...4220 Flow Meter Appendix B Accessories List B 4 ...

Page 165: ...ptions can appear at several points of the program However menus pertaining to the options not chosen early on will not appear later An example is the alarm dial out feature This step requires your flow meter to have the optional modem If you do not have the modem no menus concerning dialout will appear If after filling out this chart you cannot make some menus appear that you need recheck your ea...

Page 166: ... Yes No 20 Flow Rate In Report Yes No 21 Rainfall In Report Yes No 22 pH or D O In Report Yes No 23 Temperature In Report Yes No 24 YSI 600 Data in Report Yes No 25 Sample History In Report Yes No 26 Flow Meter History In Report Yes No 27 Report Setup Report B Flow D O pH YSI 600 Sample History Flow Meter History 28 Level In Report Yes No 29 Flow Rate In Report Yes No 30 Rainfall In Report Yes No ...

Page 167: ... Yes No 6 Rect Weir With End Contractions Enter Crest Length ___ _____ Feet or meters 7 Cipolletti Weir Enter Crest Length___ _____Feet or meters 8 Type Of Flume Palmer Bowlus Parshall Trapezoidal H HS HL Leopold Lagco 9 Palmer Bowlus Size 4 6 8 9 10 12 15 18 21 24 27 30 48 10 Parshall Size 1 2 3 6 9 1 0 1 5 2 0 3 4 5 6 8 10 12 11 Trapez Size LG 60 V 2 45 WSC 45 SRCRC XL 60 12 Flume Size 5 75 1 2 ...

Page 168: ...elow If you have multiple data point sets photocopy this table Data Point Set Enter Maximum Head 32 Maximum Flow ___ _____ units of measure C 3 Parameter to Adjust 1 Parameter To Adjust None Level pH D O YSI 600 2 Job Site only Enter Current Level __ ____ Ft or M Note Installations generally use either the Isco parameter probes or the YSI 600 Sonde but not both Use the follow ing menus for either ...

Page 169: ...r Pacing Volume __ ____ CF 3 Condition Level Flow Rate Rainfall D O pH Tempera ture YSI pH YSI D O YSI Conductivity YSI Tempera ture 4 Condition Greater Than Less Than Rate Of Change 5 Select Operator Done Or And 6 Condition True Pacing Interval Pace Every _____ Minutes 7 Condition False Pacing Interval Pace Every _____ Min utes C 6 Sampler Enable 1 Sampler Enable Mode Disable Enable Conditional S...

Page 170: ...ond Phone Number 12 Third Phone Number 13 Fourth Phone Number 14 Fifth Phone Number 15 Delay Between Dialouts _______Minutes 16 Callback To Disable Alarm Yes No C 8 Printer 1 Enter Printer Speed Off 1 2 hr 1 hr 2 hr 4 hr 2 Input For Printer Line A None Level Flow Rate pH D O Temp YSI pH YSI D O YSI Cond YSI Temp 3 Printer Line A Bottom Scale __ ____ pH 4 Printer Line A Full Scale __ ____ Feet or m...

Page 171: ... 8 Print Report B at Yr _____Month ___Day ___ Hr ___ Min ___ 9 Print Flow Meter History Yes No 10 Print Flow Meter History Print Since Last Print All NOTES Additional table for Data Point Entry Data Point Set 2 Level Flow Level Flow Level Flow Level Flow ...

Page 172: ...4220 Flow Meter Appendix C Programming Worksheets C 8 ...

Page 173: ...following procedures are those used by Black Veatch a respected consulting firm and are published here by permission Field personnel must keep safety uppermost in their minds at all times When working above ground rules of common sense and safety prevail However when entering manholes strict safety procedures must be observed Failure to do so could jeop ardize not only your own life but also the l...

Page 174: ...t fumes cannot enter the manhole If testing equipment is not available the manhole should be assumed to contain an unsafe atmosphere and forced ventilation must be provided It should never be assumed that a manhole is safe just because there is no odor or the manhole has been entered previously 4 Entering Manholes Since the top of the manhole is usually flush with the surrounding surface there may...

Page 175: ...of a pick ax screwdriver or small pry bar may result in injury A suitable tool can be made from 3 4 inch round or hex stock Two inches of one end should be bent at a right angle and the other end should be formed into a D handle wide enough to accommodate both hands Even with this tool care must be exercised to prevent the cover from being dropped on the toes The 2 inch projection should be insert...

Page 176: ...in print that do not reflect true conditions One of the most common errors is the assumption that people have died from a lack of oxygen The human body is able to function very well with substantially reduced oxygen concentra tions No one worries about going to Santa Fe New Mexico elev 2 100 meters where the partial pressure of oxygen is equal to 16 2 a normal atmosphere is about 21 oxygen When fi...

Page 177: ...hs elsewhere in the world The presence of H2S in a sewer atmosphere is easily deter mined A bellows and ampoule type of tester is very satisfactory for the purpose even though it is only crudely quantitative When using a tester of this type do not bring the air to the ampoule by way of a tube as this may change the H2S concen tration Hang the ampoule in the air to be tested with a suction tube to ...

Page 178: ...op who can lift you out D 3 Hazardous Gases The following table contains information on the properties of hazardous gases Table D 1 Hazardous Gases Gas Chemical Formula Common Properties Specific Gravity or Vapor Density Air 1 Physiological Effect Max Safe 60 Min Exposure ppm Max Safe 8 Hour Exposure ppm Explosive Range by vol in air Limits lower upper Likely Location of Highest Concentration Most...

Page 179: ...itates respi ratory tract Kills most ani mals in a very short time at 0 1 4 1 At bottom Chlorine cylinder and feed line leaks Detectable odor at low concentra tions Formal dehyde CH2O Colorless pun gent suffocating odor 1 07 Irritating to the nose 10 7 0 73 0 Near bottom Incom plete com bustion of organics Common air pollut ant fungi cide Detectable odor Gasoline C5H12 to C9H20 Volatile solvent Co...

Page 180: ...en N2 Simple asphyx iant Colorless tasteless Non flammable Principal constit uent of air about 79 0 97 Physiologically inert Near top but may be found near bottom Sewer gas sludge gas Also issues from some rock strata Oxygen deficiency indicator Nitrogen Oxides NO N2O NO2 Colorless Colorless sweet odor Reddish brown Irritating odor Deadly poison 1 04 1 53 1 58 60 to 150 ppm cause irritation and co...

Page 181: ... gas indicator Turpentine C10H16 Colorless Char acteristic odor 4 84 Eye irritation Headache diz ziness nausea irritation of the kidneys 100 At bottom Solvent used in paint 1 Detectable odor at low concentration s 2 Combustible gas indica tor Xylene C8H10 Colorless flam mable 3 66 Narcotic in high concentrations less toxic than benzene 100 1 1 7 0 At bottom Solvent Combustible gas indicator Percen...

Page 182: ...4220 Flow Meter Appendix D General Safety Procedures D 10 ...

Page 183: ...w This appendix provides Material Safety Data Sheets for the des iccant used by the 4220 Flow Meter Isco cannot guarantee the accuracy of the data Specific ques tions regarding the use and handling of the products should be directed to the manufacturer listed on the MSDS ...

Page 184: ...1 2 1 Vapor Pressure mm Hg and Temperature N A Melting Point N A Vapor Density Air 1 N A Evaporation Rate __________ 1 N A Solubility in Water Insoluble but will adsorb moisture Water Reactive Not reactive but will adsorb moisture Appearance and Odor Purple crystals no odor Section 3 Fire and Explosion Hazard Data Flash Point and Methods Used N A Auto Ignition Temperature N A Flammability Limits i...

Page 185: ... least 2 glasses of water Section 6 Control and Protective Measures Respiratory Protection Specify Type Use NIOSH approved dust mask or respirator Protective Gloves Light cotton gloves Eye Protection Safety glasses VENTILATION Local Exhaust Mechanical General Special TO BE USED Other Specify Other Protective Clothing and Equipment None Hygienic Work Practices Avoid raising dust Avoid contact with ...

Page 186: ...ial is not classified this MSDS contains valuable information critical to the safe handling and proper use of this product This MSDS should be retained and available for employees and other users of this product Section 3 Hazard Identification Emergency Overview A yellow bead or granular material that poses little or no immediate hazard This material is not combustible Potential Health Effects Eye...

Page 187: ... Limit Not applicable Upper Flammability Limit Not applicable Autoignition Temperature Not applicable Hazardous Combustion Products Not applicable Extinguishing Media Use extinguishing media that is appropriate for the surrounding fire Silica gel is not combustible Fire Fighting Instructions Not combustible Unusual Fire and Explosion Hazards None Section 6 Accidental Release Measures Spill Sweep o...

Page 188: ... gel TWA 20 mppcf 80 mg m3 SiO2 TWA 10 mg m3 NIOSH REL TWA 6 mg m3 IDLH 3000 mg m3 Phenolphthalein Not Applicable Not Applicable Not Applicable Section 9 Physical and Chemical Properties Appearance Yellow beads or granules Vapor Density Not applicable Odor None Boiling Point 4046q F 2230q C Physical State Solid bead Melting Point 3110q F 1710q C PH Not applicable Solubility Insoluble in water Vapo...

Page 189: ...onment Silica gel is insoluble and non toxic Section 13 Disposal Information Disposal Information If this product as supplied becomes a waste it does not meet the criteria of a hazardous waste as defined under the Resource Conservation and Recovery Act RCRA 40 CFR 261 Materials of a hazardous nature that contact the product during normal use may be retained on the product The user of the product m...

Page 190: ...shall be used only as a guide However the customer should determine the suitability of such materials for his purpose before adopting them on a commercial scale Since the use of our products is beyond our control no guarantee expressed or implied is made and no responsibility assumed for the use of this material or the results to be obtained therefrom Information on this form is furnished for the ...

Page 191: ...oftware 5 8 H High Low Alarm Box 2 20 5 8 I Indicators 1 4 Installation Flow Meter 3 7 Parameter Probes 5 10 Submerged Probe 4 1 U Channel or Invert Mounting 4 9 K Keypad Functions 2 2 L Language 2 23 Low Power Indication 3 3 M Maintenance Case 6 1 Desiccators 6 2 Moisture Damage 6 1 Printer 6 7 Probe and Cables 6 4 Material Safety Data Sheets E 1 Maximum Head 2 34 Modem 5 1 Mounting Consideration...

Page 192: ... 9 Reports History 2 52 Programming Worksheets C 1 Q Quick Disconnect Box 3 8 R Rain Gauge 5 7 Rectangular Channels 4 10 Replacement Parts A 1 Replacement Parts List A 4 Reports 2 21 Ribbon Replacement 6 9 S Safety Considerations 3 10 Safety Information D 1 Sampler Interface 3 11 Scissors Ring 4 6 Serial Output 2 18 5 4 ASCII Codes 2 18 Service and Troubleshooting CMOS Circuitry 6 15 Disassembling...

Page 193: ...quirements for Electrical Equipment for Measurement Control and Laboratory Use Standard Description Severity Applied Performance Criteria IEC 801 2 Electrostatic Discharge Level 2 4kV contact discharge Level 3 8kV air discharge B B IEC 801 3 Radiated RF Immunity 27 MHz to 500MHz Level 2 3 V m A IEC 801 4 Electrical Fast Transient Level 2 1kV on ac lines B CISPR11 EN 55011 RF Emissions Group 1 Clas...

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Page 195: ...eria EN61000 4 2 Electrostatic Discharge Level 2 4kV contact discharge Level 3 8kV air discharge B B EN61000 4 3 Radiated RF Immunity 80 MHz to 1000MHz 80 AM at 1kHz Level 1 10V m A EN61000 4 4 Electrical Fast Transient Level 2 2kV on ac lines B EN61000 4 5 Surge on AC Lines 2kV common mode 1kV differential mode B EN61000 4 6 Conducted RF on AC lines 150 kHz to 80 MHz 3V rms 80 modulated B EN61000...

Page 196: ...Warranty ...

Page 197: ...ed from Teledyne Isco The warrantor is Teledyne Isco Inc 4700 Superior Lincoln NE 68504 U S A This warranty applies to the USA and countries where Teledyne Isco Inc does not have an authorized dealer Customers in countries outside the USA where Teledyne Isco has an authorized dealer should contact their Teledyne Isco dealer for warranty service In the event of instrument problems always contact th...

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