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SECTION 7

DISSOLVED OXYGEN IN WATER

(0 to 20 mg/L)

Assemble the

dissolved oxygen probe
as described in Section
3.3.1 Probe Assembly.

At least one hour

before measurement,
polarize the probe by
connecting it to the
meter. See Section 3.3.2
Probe Polarization.

Zero the

sens

ion

™8 Dissolved

Oxygen meter prior to
calibration when
measuring dissolved
oxygen levels less than
1 mg/L or 10%
saturation.

Secure the probe

cable to the calibration
and storage chamber by
wrapping cable through
the bottom of the
chamber lid before
filling with water.

Содержание sension8

Страница 2: ...exaVer HgEx HydraVer ICE PIC IncuTrol LeadTrak m ColiBlue 24 ManVer MercuVer MolyVer Mug O Meter NetSketcher NitraVer NitriVer NTrak OASIS OptiQuant On Site Analysis Results You Can Trust OriFlow OxyVer PathoScreen PbEx PermaChem Phillip D Glass PhosVer Pocket Colorimeter Pocket Pal Pocket Turbidimeter Pond in Pillow PourRite PrepTab ProNetic Pump Colorimeter QuanTab Rapid Liquid RapidSilver Ratio...

Страница 3: ...n 22 SECTION 3 INSTRUMENT OPERATION 23 3 1 Setup Menu 23 3 1 1 Turning Display Lock Off and On 23 3 1 2 Selecting Metric or English Units 23 3 1 3 Selecting Measurement Resolution 24 3 1 4 Adjusting for Sample Salinity 24 3 1 5 Changing the Barometric Pressure 25 3 1 6 Adjusting the Altitude 26 3 1 7 Setting the Time 27 3 1 8 Setting the Date 28 3 1 9 Setting the Year 28 3 1 10 Automatic Data Tran...

Страница 4: ... Data 46 4 3 Erasing Data 47 4 3 1 Erasing Single Data Points 47 4 3 2 Erasing All Data Points 47 SECTION 5 MAINTENANCE 49 5 1 Cleaning the Probe 49 5 2 Meter Maintenance 49 SECTION 6 PRINTING AND DATA TRANSFER 51 6 1 Connecting to Printers Computers 51 6 1 1 Connection with the RS232 Cable 51 6 1 2 Connecting to a Printer 51 6 1 3 Connecting to a Personal Computer 53 6 2 Sending Data to Printers ...

Страница 5: ...LES 65 9 1 Salinity Correction Factors 65 9 2 Barometric Pressure and Elevation 66 9 3 Solubility of Oxygen in Water 67 9 4 Pressure Conversions 73 GENERAL INFORMATION 75 REPLACEMENT PARTS 77 HOW TO ORDER 78 REPAIR SERVICE 79 WARRANTY 80 CERTIFICATION 81 ...

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Страница 7: ...7 SAFETY PRECAUTIONS Section 2 2 Power Connection Section 2 3 Printer and Computer Connections Section 6 1 Connecting to Printers Computers ...

Страница 8: ...8 ...

Страница 9: ...dc use either Hach supplied 115 or 230V 50 60 Hz external power supply or a customer provided supply with 50 mA output 5 5 mm power plug with a 2 5 mm center post opening Installation Category II Instrument drift 1 day Environmental requirements 5 to 50 C at 85 relative humidity non condensing Meter dimensions 15 x 25 4 x 8 37 cm 10 15 x 6 x 3 5 inches Enclosure Water resistant IP32 chemical resis...

Страница 10: ...10 ...

Страница 11: ...uede ser peligrosa Revise las fichas de seguridad de materiales y familiarícese con los procedimientos de seguridad antes de manipular productos químicos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenzien ist mit Gefahren verbunden Es wird dem Benutzer dieser Produkte empfohlen sich vor der Arbeit mit sicheren Verfahrensweisen und dem richtigen Gebrauch der Chemikalien vertraut zu ...

Страница 12: ...12 ...

Страница 13: ...on a 99 point internal datalogging function and altitude barometric pressure and salinity correction The meter is microprocessor controlled has a sealed keypad and can send data to a printer or computer The DO probe can also be equipped with the available BOD apparatus kit which allows it to be used in conjunction with an electromagnetic stir stand for BOD measurements Figure 1 sension8 Dissolved ...

Страница 14: ...ithin the United States is 800 227 4224 Customers outside the United States should contact their regional Hach office or distributor 1 1 1 Standard Accessories Instrument Manual Dissolved Oxygen Probe Probe related accessories covered in the electrode manual Power adapter 1 1 2 Optional Accessories BOD Accessory Kit See Section 3 5 on page 41 1000 mg L Cobalt Standard Sodium Sulfite Probe Holder a...

Страница 15: ...con is illuminated In Setup mode backs up one step toward the Reading mode Performs the following and returns to the most recent Reading mode Exits the Store Erase or Recall mode Aborts a calibration Exits a calibration review UP and DOWN ARROW keys Scroll between options in Setup mode Scroll through data points in Store and Recall modes Scroll between the option to print or erase one data point a...

Страница 16: ...ter has stabilized in the Display Lock Enabled mode RECALL key Recalls stored sample data from Reading mode only STORE key Stores the current displayed measurement from Reading mode only ERASE key Erases recalled data points CONC key Toggles between dissolved oxygen concentrations displayed as saturation and mg L in Reading and Calibration Review modes PRINT key Sends current or recalled data to a...

Страница 17: ... recalled data is being erased 5 Indicates meter is in Setup mode 6 Indicates all data points are being printed or erased 7 Displays Setup Sample and Standard plus the number of the individual item when those words are displayed to the left of the number For example if Sample and 1 are displayed the meter is displaying Sample 1 8 Indicates calibration is necessary when display shows Flashing and C...

Страница 18: ...tes EXIT key is active 25 NA 26 Indicates numeric key functions are active 27 NA 28 Indicates the display is locked Displayed with item 29 29 Indicates Display Lock is On or Off 30 Indicates faulty probe connection or incorrect probe attached Usually displayed with an error code Indicates the probe zeroing procedure cannot be completed 31 NA 32 Indicates a meter function problem 33 Indicates signa...

Страница 19: ...e a cotton tipped applicator to clean or dry the connectors if they get wet 1 5 Audible Signals The meter will beep under certain conditions When a non functional key press is made one beep When measurement stability is reached during calibration three beeps In reading mode when the display lock is turned on and stability is reached three beeps ...

Страница 20: ...20 ...

Страница 21: ... percent saturation and the sample temperature Displayed dissolved oxygen values are corrected for temperature altitude barometric pressure and salinity 2 2 Power Connection A 115 or 230 V ac pin adapter connects the meter to line power Plug the pin end of the adapter into the pin connector in the meter see Figure 4 Then plug the adapter into the outlet Figure 4 sension8 Power and Probe Connection...

Страница 22: ...ng the PRINT key will send the currently displayed data to the printer The data may be either a current measurement or recalled data To send data to a computer connect the 9 pin serial port on the meter to a 9 pin serial port of the computer Press the PRINT key to send the currently displayed data to the computer The data may be either a current measurement or recalled data Figure 5 Serial Port 9 ...

Страница 23: ... the lock function off and on by pressing the ENTER key If the meter is in the continuous Read Mode the lock function is not active and off will be displayed If the lock function is active off will not be displayed 3 After selecting the desired setting press the EXIT key If the lock function has been activated a lock icon will appear in the lower left corner of the display in the reading mode The ...

Страница 24: ...Salinity This feature adjusts the displayed dissolved oxygen concentration in mg L based on the sample s salinity Note When the Sal icon is displayed during the Read Mode a salinity correction calculation is applied to the dissolved oxygen concentration in mg L The dissolved oxygen concentration in saturation is the ratio of the displayed concentration in mg L to the equilibrium dissolved oxygen c...

Страница 25: ...ent feature The barometric pressure entry in this setup must be correctly combined with the Altitude setup for the displayed saturation to be accurate Using Sea Level Equivalent Barometric Pressures A new barometric pressure must be entered when the local barometric pressure changes The sea level equivalent barometric pressure is obtained from weather broadcasts on radio TV or from local airports ...

Страница 26: ...nvert the barometric pressure entry in setup 5 to a true pressure value based upon the two entries Using true pressure in conjunction with an altitude other then zero may result in a large error in the displayed saturation The Altitude Adjustment setup feature can be used alone or in conjunction with the Barometric Pressure feature The altitude entry must be correctly combined with the barometric ...

Страница 27: ... has been entered The meter will return to the Read Mode The displayed dissolved oxygen in saturation will be adjusted according to this entry 3 1 7 Setting the Time This feature sets the clock in the instrument using military time For example 3 00 p m is entered as 15 00 To change the value 1 Access the setup mode by pressing the SETUP key 2 Press the UP ARROW six times A 7 will begin flashing in...

Страница 28: ...e date Press the ENTER key after entering the desired date Press the EXIT key The meter will return to the Read Mode 3 1 9 Setting the Year This feature is used to set the year in the instrument To change the value 1 Access the setup mode by pressing the SETUP key 2 Press the UP ARROW eight times A 9 will begin flashing in the upper right hand corner of the display and the date icon will appear Th...

Страница 29: ...ll occur at selected time intervals only until the meter stabilizes and the value in the display is locked To change the automatic data transfer setup 1 Press the SETUP key 2 Press the UP ARROW nine times A 10 will begin flashing in the upper right hand corner of the display The current automatic data transfer entry will be displayed 3 Press the EXIT key to leave the value unchanged To change the ...

Страница 30: ...ents below 1 mg L DO the probe should be zeroed prior to calibration See Section 3 3 3 Zeroing the Probe The calibration may be performed in three ways Calibration may be performed in a water saturated air environment with a known barometric pressure and or altitude See Section 3 3 4 Calibration in Water Saturated Air OR Calibration may be performed using a water sample that has a known dissolved ...

Страница 31: ... 3 full with Dissolved Oxygen Electrolyte Filling Solution 4 While holding the DO probe vertically with the tip pointing down gently screw the module cap onto the tip Electrolyte should leak out of the threads Note If electrolyte does not leak out of the threads air may remain inside the module cap To ensure accurate results repeat this procedure using more filling solution 5 Attach the DO probe c...

Страница 32: ...obe electrolyte is new or when the probe has been unplugged for more than one hour Interrupted connections of less than one hour will require 5 to 25 minutes before a stable reading is observed With the probe in the calibration and storage chamber observe the mg L dissolved oxygen concentration after the probe has been polarized for the appropriate period of time Calibration may be performed when ...

Страница 33: ... 1000 mg L Cobalt Standard solution to the water 4 Place the probe in the stirring sample for at least 10 minutes This solution is good for 30 minutes or more 5 Press the CAL key The Cal icon will appear in the upper left corner of the display a flashing question mark will appear in the upper right corner of the display and the keypad icon will appear in the lower left corner of the display 6 Pres...

Страница 34: ...wer chamber through the inlet Alternately open the bottom of the chamber and insert a water soaked sponge 3 Insert the DO probe into the calibration and storage chamber The tip of the probe must not be flooded with water or be holding a drop of water on the membrane 4 Allow at least ten minutes for the atmosphere in the chamber to reach a steady state Note Squeezing the lower chamber a couple of t...

Страница 35: ... When the calibration is complete the meter will return to the Read Mode Press the EXIT key during the calibration sequence to back out of the calibration routine one screen one at a time without completing a calibration To obtain a printout of the calibration conditions 1 Press the PRINT key on the keypad immediately after a calibration is completed The printed value is the calculated true pressu...

Страница 36: ...er left corner of the keypad The Cal icon will appear in the upper left corner of the display a flashing question mark will appear in the upper right corner of the display and the keypad icon will appear in the lower left corner of the display The main display will show the current barometric pressure 4 Press the ENTER key three times to skip to the display showing 100 5 Use the keypad to enter th...

Страница 37: ... dissolved oxygen in a water sample as 100 saturation Changes in the dissolved oxygen concentration of the sample should be monitored using the saturation mode only because the concentration in mg L will not be accurate 1 Place the electrode in the sample deep enough to fully cover the thermistor metallic button located on the side of the probe 2 The sample must have a flow rate or stirring rate t...

Страница 38: ...n Review To review the last calibration 1 Press the REVIEW key on the keypad The date and year of the last calibration will show 2 Press the TIME key on the keypad to view the time of the last calibration 3 Press the UP ARROW The dissolved oxygen concentration of calibration will show 4 Press the CONC key to view the saturation and mg L values of calibration 5 Press the UP ARROW key The barometric...

Страница 39: ...n the probe tip are dislodged before taking a reading It is important to have the DO probe at a uniform temperature Do not touch the metallic button on the side of the probe when holding it The metallic button is a thermistor that senses sample temperature An inaccurate measurement will result if the temperature of the thermistor is not the same as the membrane end of the probe 3 4 2 Measurement A...

Страница 40: ...r memory 7 Press the CONC key on the keypad to change the display from concentration in mg L to saturation Note The displayed saturation will be based on a meter calculation for the equilibrium dissolved oxygen concentration The calculation uses the sample temperature salinity barometric pressure altitude and measured concentration in mg L values Changing the entries in setups 4 5 or 6 will alter ...

Страница 41: ...pplied with the probe The polishing cloth will remove deposits that may decrease the performance of the probe Polish the anode whenever the membrane cap is replaced or between membrane cap replacement if probe performance seems to have degraded over time 3 5 Using the BOD Accessory Kit The optional BOD Accessory Kit which includes an overflow funnel with a built in stirring bar serves three purpos...

Страница 42: ...ow results Note If air bubbles develop below or on the probe membrane allow the stirrer about five seconds to remove or hold the probe at a slight angle and tap gently 3 7 Oxygen Utilization Rate OUR and Specific Oxygen Utilization Rate SOUR Tests 1 If running the OUR test skip to step 2 If running the SOUR test determine the total solids in mg L Hach Method 8271 or the volatile suspended solids i...

Страница 43: ...off and become more constant Record the initial DO concentration 8 Record DO manually or store the value in the meter every minute for 15 minutes or until the DO concentrations drops below 1 mg L 9 a If running the OUR test calculate the decrease in oxygen during the test using the equation below b For the SOUR test first use the equation above to determine the OUR value Second divide the mg L tot...

Страница 44: ...44 ...

Страница 45: ...e location Sample concentration in mg L Sample concentration in saturation Calculated true barometric pressure Temperature Sample salinity Date Time Instrument serial number Software version The new data is saved in the next available memory location numbered from 1 to 99 If no memory locations higher than the current one are available the meter will wrap around and choose the next available locat...

Страница 46: ...tored Data 1 To recall stored data press the RECALL key while in the Reading mode The screen will display the most recently saved measurement data 2 Use the arrow keys to scroll to the desired storage location or press RECALL again to allow number entry of a storage location The question mark will flash Enter the number of the desired storage location Press ENTER to accept the storage location or ...

Страница 47: ...s an arrow key to scroll to other data points 5 Repeat steps 2 3 for each data point that needs to be deleted 4 3 2 Erasing All Data Points 1 To erase data it must be recalled first See Section 4 2 2 When the point is displayed press ERASE 3 Press the up arrow The instrument will show Erase and All with the flashing At this point the options are a Press EXIT to return to the data point in Recall m...

Страница 48: ...48 ...

Страница 49: ... fats the probe may become coated If this occurs clean the probe with a strong detergent solution or dip it in a 1 1 hydrochloric acid solution Rinse thoroughly with deionized water For long term storage rinse the probe with deionized water and store dry 5 2 Meter Maintenance The meter is virtually maintenance free If the meter gets dirty wipe the surface with a damp cloth Use cotton tipped applic...

Страница 50: ...50 ...

Страница 51: ...rect link between the instrument and the 25 pin connector used for the serial port on most serial printers Table 3 shows the proper pin connections for 25 pin printer cables Using cables that do not match the pin information in the table may cause undesirable operation Parallel printers require a serial to parallel adapter This allows use of printers that are normally used for IBM compatible appli...

Страница 52: ...nk is established press PRINT to send data to the computer Note For optimum performance and ESD protection use a five conductor shielded cable Use a metal shell for the printer or computer terminal connector and connect the shield of the cable to the metal shell and the sleeve signal ground of the RS232 plug Follow the manufacturers instructions to configure the printer for compatibility with the ...

Страница 53: ...meter by lining up the holes in the cable connector with the pins of the serial port 2 Connect the cable to the computer in the same manner see Figure 7 3 Once the communication link is established press PRINT to send data to the computer To transfer data the communication parameters baud rate data bits and parity of the meter and the computer must match Once the communication link is established ...

Страница 54: ...icrosoft Works Lotus 123 for graphing and reporting To install and run Hach Data Capture the computer and software must meet the following minimum requirements IBM PC AT or compatible with a 386SX processor 16 MHz or better 4 megabytes of RAM Hard disk drive with 2 megabytes or more of free space 3 inch 1 44 megabyte floppy disk drive VGA graphics with 640 x 480 or higher resolution 16 or more col...

Страница 55: ...n 4 2 on page 46 2 When the desired sample data is displayed press PRINT 3 The word PRINT and a flashing will be displayed 4 Press ENTER to print the recalled data point 5 Press EXIT to return to the reading mode 6 2 3 Sending All Stored Data 1 To transfer all data a data point must be recalled first See Section 4 2 on page 46 2 When a data point is displayed press PRINT 3 Press the UP ARROW The i...

Страница 56: ...Reading mode or an arrow key to scroll to a specific data point 6 2 4 Printed Data Format Printed data will have the following format Storage Location Concentration Saturation Calculated True Barometric Pressure Temp Salinity Date Time Serial Number Software Version 1 7 42 mg L 100 3 25 0 inHg 69 8 F o oo 01 09 00 01 42 600010 P1 03 2 7 42 mg L 100 2 25 0 inHg 69 8 F o oo 01 09 00 01 42 600010 P1 ...

Страница 57: ...nt polarize the probe by connecting it to the meter See Section 3 3 2 Probe Polarization 3 Zero the sension 8 Dissolved Oxygen meter prior to calibration when measuring dissolved oxygen levels less than 1 mg L or 10 saturation 4 Secure the probe cable to the calibration and storage chamber by wrapping cable through the bottom of the chamber lid before filling with water ...

Страница 58: ...tion and storage chamber The probe tip must not be flooded with water or be holding a drop of water on the membrane 7 Allow at least ten minutes for the atmosphere in the chamber to reach a steady state Note To speed up probe stabilization squeeze the lower chamber once or twice to force water saturated air into the chamber Note Keep the DO probe at a uniform temperature When holding the probe do ...

Страница 59: ...orrect in combination with the barometric pressure press the ENTER key The current value for the sample salinity 0 00 will be shown 12 Since this calibration is performed in water saturated air set the salinity to zero If necessary use the keypad to enter a salinity value of 0 0 00 13 Press the ENTER key The display will show 100 14 Press the READ key The stabilizing icon will appear while the met...

Страница 60: ...When measuring deep bodies of water create sufficient flow across the probe tip by pulling on the cable to move the probe up and down 21 When the reading on the meter stabilizes record or store the value in the meter memory 22 Press the CONC key on the keypad to change the display from concentration in mg L to saturation Note The displayed saturation will be based on a meter calculation for the eq...

Страница 61: ... in between A single operator with a single sension8 meter obtained a standard deviation of 0 03 mg L DO Table 5 Adjusting Barometric Pressure and Altitude Enter a new barometric pressure when the barometric pressure or the altitude of the instrument changes using one of the methods below Using Sea Level Equivalent Using True Barometric Pressure 1 Obtain the sea level equivalent barometric pressur...

Страница 62: ...ay need to clean the anode and replace the internal filling solution and membrane cap Summary of Method The sension8 Dissolved Oxygen Meter responds to the dissolved oxygen concentration activity by developing an electrical current At a constant temperature the electric current varies linearly with the oxygen concentration of the solution An increase in temperature will increase the oxygen diffusi...

Страница 63: ...samples being tested 6 How often is the meter being used 7 How is the meter being stored between uses 8 If the meter has been in use for a while what maintenance has been performed 9 Describe the suspected problem or failure of the meter 10 Please have your meter electrode buffers standards and this completed questionnaire near the phone before calling technical support Table 6 Error Code Error Ty...

Страница 64: ...64 ...

Страница 65: ... This table was calculated up to the conductivity of 54 mmhos cm from the International Oceanographic Tables Salinity determined by the conductivity at 20 C ppt Parts per Thousands of Salinity International Oceanographic Tables Vol I National Institute of Oceanography of Great Britain Womley Godaming Surrey England and Uncesco Paris 1971 Table 7 Salinity Correction Factors Conductivity in mS cm Sa...

Страница 66: ...this value into the instrument see Sections 3 1 5 and 3 1 6 Note If the barometric pressure from Table 8 is entered in the meter the altitude entered in combination with this value must be 0 feet Table 8 Elevation Barometric Pressure Elevation in feet Barometric pressure in mm Hg Elevation in feet Barometric pressure in mm Hg 0 760 6000 613 500 746 6500 601 1000 733 7000 590 1500 720 7500 579 2000...

Страница 67: ...17 9 58 8 0 11 84 11 17 10 54 9 94 9 37 9 0 11 56 10 91 10 29 9 71 9 16 10 0 11 29 10 66 10 06 9 50 8 97 11 0 11 03 10 42 9 84 9 29 8 78 12 0 10 78 10 19 9 63 9 09 8 59 13 0 10 54 9 96 9 42 8 90 8 42 14 0 10 31 9 75 9 22 8 72 8 25 15 0 10 08 9 54 9 03 8 55 8 09 16 0 9 87 9 35 8 85 8 38 7 93 17 0 9 67 9 15 8 67 8 21 7 78 18 0 9 47 8 97 8 50 8 05 7 63 19 0 9 28 8 79 8 34 7 90 7 49 20 0 9 09 8 62 8 1...

Страница 68: ...6 02 5 75 5 50 5 25 5 02 45 0 5 93 5 67 5 42 5 18 4 95 Table 9 Solubility of Oxygen in Water Exposed to Water Saturated Air at Atmospheric Pressure 101 3kPa Continued Temp C Oxygen Solubility mg L Salinity 0 9 0 18 0 27 0 36 0 Table 10 Solubility of Oxygen in Water vs Temperature and Barometric Pressure lower range Pressure mm Hg 550 575 600 625 650 675 700 inches Hg 21 7 22 6 23 6 24 6 25 6 26 6 ...

Страница 69: ...7 43 7 76 8 09 8 42 8 75 9 08 17 6 94 7 27 7 59 7 92 8 24 8 56 8 89 18 6 80 7 12 7 43 7 75 8 07 8 39 8 70 19 6 66 6 97 7 28 7 59 7 91 8 22 8 53 20 6 52 6 83 7 13 7 44 7 75 8 05 8 36 21 6 39 6 69 6 99 7 29 7 59 7 89 8 19 22 6 26 6 56 6 85 7 15 7 45 7 74 8 04 23 6 14 6 43 6 72 7 01 7 30 7 59 7 88 24 6 02 6 31 6 59 6 88 7 16 7 45 7 73 25 5 91 6 19 6 47 6 75 7 03 7 31 7 59 26 5 80 6 07 6 35 6 62 6 90 ...

Страница 70: ... 26 37 4 75 4 98 5 22 5 46 5 69 5 93 6 16 38 4 67 4 90 5 13 5 36 5 60 5 83 6 06 39 4 58 4 81 5 04 5 27 5 50 5 73 5 96 40 4 50 4 73 4 96 5 19 5 41 5 64 5 87 41 4 43 4 65 4 88 5 10 5 32 5 55 5 77 42 4 35 4 57 4 79 5 01 5 24 5 46 5 68 43 4 27 4 49 4 71 4 93 5 15 5 37 5 59 44 4 20 4 41 4 63 4 85 5 07 5 28 5 50 45 4 12 4 34 4 55 4 77 4 98 5 20 5 41 Table 10 Solubility of Oxygen in Water vs Temperature ...

Страница 71: ...8 12 45 12 69 13 11 13 52 13 93 7 11 57 11 98 12 14 12 38 12 78 13 19 13 59 8 11 29 11 69 11 84 12 08 12 47 12 87 13 26 9 11 02 11 41 11 56 11 79 12 17 12 56 12 94 10 10 76 11 14 11 29 11 51 11 89 12 26 12 64 11 10 51 10 88 11 03 11 25 11 61 11 98 12 35 12 10 27 10 63 10 78 10 99 11 35 11 71 12 07 13 10 04 10 40 10 54 10 75 11 10 11 45 11 80 14 9 82 10 17 10 31 10 51 10 86 11 20 11 54 15 9 61 9 95...

Страница 72: ...18 7 33 7 58 7 83 8 08 34 6 72 6 97 7 07 7 21 7 46 7 70 7 95 35 6 61 6 85 6 95 7 09 7 34 7 58 7 82 36 6 50 6 74 6 84 6 98 7 22 7 46 7 70 37 6 40 6 63 6 73 6 87 7 10 7 34 7 57 38 6 29 6 53 6 62 6 76 6 99 7 22 7 46 39 6 19 6 42 6 52 6 65 6 88 7 11 7 34 40 6 09 6 32 6 41 6 55 6 78 7 00 7 23 41 6 00 6 22 6 31 6 45 6 67 6 90 7 12 42 5 90 6 12 6 21 6 35 6 57 6 79 7 01 43 5 81 6 03 6 12 6 25 6 47 6 69 6 ...

Страница 73: ...900 675 1 26 58 745 558 8 22 00 905 678 8 26 72 750 562 5 22 15 910 682 6 26 87 755 566 3 22 30 915 686 3 27 02 760 570 0 22 44 920 690 1 27 17 765 573 8 22 59 925 693 8 27 32 770 577 5 22 74 930 697 6 27 46 775 581 3 22 89 935 701 3 27 61 780 585 0 23 03 940 705 1 27 76 785 588 8 23 18 945 708 8 27 91 790 592 5 23 33 950 712 6 28 05 795 596 3 23 48 955 716 3 28 20 800 600 0 23 62 960 720 1 28 35 ...

Страница 74: ...2 1065 798 8 31 45 1025 768 8 30 27 1070 802 6 31 60 1030 772 6 30 42 1075 806 3 31 74 1035 776 3 30 56 1080 810 1 31 89 1040 780 1 30 71 1085 813 8 32 04 1045 783 8 30 86 1090 817 6 32 19 1050 787 6 31 01 1095 821 3 32 34 1055 791 3 31 15 1100 825 1 32 48 1060 795 1 31 30 Table 12 Pressure in mbar mm Hg and in Hg mbar mm Hg inches Hg mbar mm Hg inches Hg Table 13 Pressure Conversions mbar mm Hg i...

Страница 75: ...75 At Hach Company customer service is an important part of every product we make With that in mind we have compiled the following information for your convenience GENERAL INFORMATION ...

Страница 76: ...76 ...

Страница 77: ...ved Oxygen Service Kit Includes 2 membranes fill solution polishing cloth 2 sponges each 51968 00 Filling Solution Dissolved Oxygen 59 mL 27591 26 HachLink Communications Software each 49665 00 Membranes for Dissolved Oxygen Probe 2 pkg 51973 00 Power Cord for PN60 continental European plug each 46836 00 Power Supply for meter 115 V each 51898 00 Power Supply for meter 230 V each 46080 00 Print Ca...

Страница 78: ...78 HOW TO ORDER ...

Страница 79: ...79 REPAIR SERVICE ...

Страница 80: ...80 WARRANTY Hach warrants the sension meters against defective materials or workmanship for three years from the date of shipment ...

Страница 81: ...ment for measurement control and laboratory use EMC requirements Supporting test records by Hach Company certified compliance by Hach Company Standards Include IEC 1000 4 2 1995 EN 61000 4 2 1995 Electro Static Discharge Immunity Criteria B IEC 1000 4 3 1995 EN 61000 4 3 1996 Radiated RF Electro Magnetic Field Immunity Criteria A IEC 1000 4 4 1995 EN 61000 4 5 1995 Electrical Fast Transients Burst...

Страница 82: ...IPMENT REGULATION IECS 003 Class A emission limits Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 certified compliance by Hach Company This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel bro...

Страница 83: ... installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The following techniques of reducing the interference problems are applied easily 1 Disconnect the externa...

Страница 84: ......

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