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Principles of Operation

Section 8

YSI Incorporated

Model 3200

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Содержание 3200

Страница 1: ...YSI Model 3200 Conductance Resistance Salinity Total Dissolved Solids and Temperature Instrument Operations Manual ...

Страница 2: ......

Страница 3: ...2 Configure 12 Cal K 14 3 3 Temperature Compensation 16 Temp 17 3 4 Platinization 19 3 5 Display Configuration 19 Measurement Units 20 Contrast 21 Time Date 21 Alarms 21 Beeper 22 Ranging 23 3 6 Making Measurements 25 4 Data Storage and Retrieval 27 4 1 Store 27 4 2 Review 28 Recall 29 Send All 29 Clear 29 Clear All 30 4 3 Send 31 Send Setup 31 Data Logging 33 5 Diagnostics 35 5 1 Send 35 5 2 Beep...

Страница 4: ...l Dissolved Solids 50 8 5 Temperature 50 8 6 Sources of Errors 50 Cell Contamination 50 Cell Platinizing 50 Electrical Noise Errors 51 Contact Resistance 51 Cable Series Resistance and Shunt Capacitance 51 Galvanic and Miscellaneous Effects 51 9 Warranty Repair 53 Cleaning Instructions 56 Packing Instructions 57 9 1 Software Upgrade Procedure 58 9 2 Disassembly Assembly Procedures 59 9 3 Test and ...

Страница 5: ...d data from the Model 3200 directly to your computer or serial printer 1 1 CAPABILITIES Adjustable cell constant 0 005 to 100 Readout units selectable uS cm uS ppt ohm cm ohm TDS Auto or manual ranges Adjustable reference temperature 0 to 100 C Adjustable automatic temperature compensation factor 0 10 C linear prestored non linear curves Six cell setup memory with solution memories Remembers cell ...

Страница 6: ...ide range of temperature The solution is ramped though a temperature range while the instrument automatically and continuously generates calibration data The calibration would be done once and the results stored in non volatile memory for recall any time that solution is tested Data for six solutions can be stored at any one time The user may also select from 2 pre programmed non linear temperatur...

Страница 7: ...EL The front panel of the instrument contains the display and keypad as shown below OPERATION 3200CONDUCTIVITY INSTRUMENT 1 372uS 12 40PM 24 99 c CELL SETUP DIAG RANGE Display Soft keys Power ON OFF ENTER Key MODE Key YSI Incorporated Model 3200 3 ...

Страница 8: ...ey is used to cycle between the two main operating modes Pressing a soft key will bring up a new set of soft key functions menu The Mode key is also used to backup through the menus to the top level The right side of the display shows the cell constant temperature compensation data and current temperature source K 10 100 indicates that a single fixed cell constant of 10 100 is being used K would c...

Страница 9: ...232 cell adapter and a YSI 3220 or YSI 700 series temperature probe will be required The YSI 3232 cell adapter mounts on the post on the rear of the 3200 It has a 7 pin mini DIN connector and two binding posts The mini DIN connector plugs into the 3200 cell socket and a YSI 3400 series cell or equivalent connects to the binding posts RS232 CONNECTION The RS232 connection is a standard DB9 connecto...

Страница 10: ...xternal temperature probe will override the temperature sensor in the cell YSI 3400 series cells do not contain an internal temperature sensor therefore an external temperature probe YSI 3220 or YSI 700 series is needed for temperature measurement or compensation CE COMPLIANCE Use of an external temperature probe or the YSI Model 3232 cell adapter with this instrument may cause non compliance with...

Страница 11: ...vent any part of your YSI Model 3200 should ever need repair 2 3 WHAT YOU NEED Several things are needed in order to make accurate conductivity measurements using the YSI 3200 The following list shows the basic items required Instrument Power Supply Conductivity Cell Standard Solution s Beakers Rinsing Solution 2 4 SETTING UP 1 Power Plug the power supply into its mating connector on the back of t...

Страница 12: ...soft key to enter the Time Date menu The following screen will be displayed TIME DATE 8 34 04 AM 2 15 1997 AM PM time format MM DD YY date format UP DOWN DIGIT NEXT The cursor underline starts at the first digit of the time field Use the UP or DOWN soft key to change the underlined digit When you have the correct digit displayed press the DIGIT soft key to move the cursor to the next digit then us...

Страница 13: ... and temperature compensation The 3200 stores six configurations numbered 0 to 5 K field cell constant 0 Configuration number CONFIG CONFIG 0 Title 0 0000uS offset Single Cell Cal 1 00 K Linear Comp 1 91 C Comp val 0 68 T D S mult 25 0 C Comp Temp ENTER TO SEND CONFIGURATION UP DOWN DIGIT NEXT Press the UP or DOWN soft key until you have selected configuration 0 The default configuration is a sing...

Страница 14: ...ip the cell in the solution 2 or 3 times to ensure proper wetting The cell electrodes must be submerged and the electrode chamber must not contain any trapped air If using a flow through or fill cell be certain it is completely full 3 Allow time for the temperature to stabilize 4 Read the display send the reading to a computer or serial printer see section 4 3 Send or store the reading in memory s...

Страница 15: ...accessed in each mode below them YSI Incorporated Model 3200 11 Data Store Review Clear Send Send Setup Set Com Set Sen Operation Cell Setup Diag Send All Clear All Configure Display Time Date Size Send Beep Recall System Range L Temp Point 2 Point 1 Cal K Multi Point Single Point Platin Digit Down Store Up Range Light Dark Temp N L Temp End Start Digit Down Send Up Digit Down Delete Up Send Send ...

Страница 16: ...row of the display shows the soft key menu 0 Configuration number CELL CONFIG 0 Title 0 0000uS offset Single Cell Cal 1 00 K Linear Comp 1 91 C Comp val 0 68 T D S mult 25 0 C Comp Temp ENTER TO SEND CONFIGURATION CONFIGURE CAL K TEMP PLATIN The Cell screen shows the configuration for the currently selected cell The first two soft keys are used to select the current cell configuration and calculat...

Страница 17: ...mpensation curve for ultrapure water press NEXT three times to move the cursor to the Comp field then press the UP or DOWN soft key to cycle through the selections until Pure is displayed Press MODE two times to exit to the Operation menu Field Range options Description Title A Z or 0 9 User defined name for this configuration Cell Cal Single or Multi Selects between a single fixed cell constant a...

Страница 18: ...onstant in Cell Configuration See 3 2 Cell Calibration Configure 0 Configuration number CALIBRATE K CONFIG 5 Title 0 0000uS offset Single Cell Cal 1 00 K Linear Comp 1 91 C Comp val 0 68 T D S mult 25 0 C Comp Temp OFFSET SINGLE PT MULTI PT SEND Single Point To calculate and store the cell constant K at a single point 1 From the Calibrate K menu press the SINGLE PT soft key 2 Clean the container a...

Страница 19: ...store the current cell constant K Stored values are displayed at the bottom of the screen 7 Repeat steps 3 6 for the remaining solutions 8 If you have entered less than 5 solutions enter 0 0uS for each remaining unused point and press ENTER to store each one 9 When you have measured all the solutions and stored all 5 points press MODE two times to exit to the Cell menu 10 Press the CONFIGURE soft ...

Страница 20: ... and store the offset for the current cell in the currently selected configuration connect a clean dry cell to the 3200 then press the MEASURE soft key The current offset is displayed on the screen OFFSET Offset value is used below 10uS 0 0015uS offset To measure connect a clean dry cell and press MEASURE REMOVE MEASURE Current offset To remove a stored offset set the offset to zero press the REMO...

Страница 21: ...alibration Configure 5 Configuration number CELL TEMP CONFIG 5 Title 0 0000uS offset Single Cell Cal 1 00 K Linear Comp 1 50 C Comp val 0 68 T D S mult 25 0 C Comp Temp L TEMP N L TEMP SEND Linear Temperature Compensation From the Cell Temp menu press the L TEMP soft key to enter the Lin Temp menu This menu enables the user to calculate the linear temperature compensation coefficient of a solution...

Страница 22: ...ar temperature compensation curve for a solution by measuring it while the temperature is changed NL TEMP 20 00 C High 17 34 C 0 00 C Low 1 34 S CURRENT CURVE WILL BE ERASED START END Current Temperature end To calculate and store the non linear temperature compensation curve 1 Verify that the current configuration contains the correct cell constant for the current cell 2 Clean the container and Y...

Страница 23: ...DISPLAY TIME DATE SYSTEM RANGE From Operation mode press the SETUP soft key then press DISPLAY to enter the Setup Disp menu The default display is the large display with three user selectable fields Conductivity is in the large field and temperature and time are in the smaller fields 13 15uS cm K 10 100 25 0 C 11 33AM 24 38 C 1 50 C T CELL ENTER TO CHANGE UNITS SIZE NEXT LIGHT DARK To change the d...

Страница 24: ...conductivity currently on the display These same selected fields are also used when logging data to a computer or serial printer 1006 uS cm 9999uS SETUP DISP 65 68 F 97 8 Ω K 0 098 25 0 C 684 mg L TDS 0 4 ppt SAL 1 91 C T CELL ENTER TO CHANGE UNITS SIZE NEXT LIGHT DARK From the Setup Disp screen press the NEXT soft key to select the field you want to change then press ENTER repeatedly to change th...

Страница 25: ...current time and date Use the UP DOWN and DIGIT soft keys to enter the correct time Press NEXT to change to the date field then enter the correct date The default time and date formats are AM PM and Month Day Year To change these formats use the NEXT soft key to select the field then use the UP or DOWN soft key to change the format to 24Hr or Day Month Year After you have entered the correct value...

Страница 26: ... may be conductance conductivity or resistance 6 Press NEXT to select beep on alarm then press UP or DOWN to turn the alarm beeper on or off 7 Press NEXT to select send on alarm When this parameter is enabled On readings will be sent to a computer or serial printer whenever the alarm is triggered Press MODE once to return to the Setup menu or two times to return to Operation mode NOTE To setup the...

Страница 27: ...e 950 9999uS Current range UP DOWN NEXT The Range menu allows the user to select between Auto and Manual ranging Press the UP or DOWN soft key to change from Auto to Manual When ranging is set to Manual the current range can be set by pressing the NEXT soft key to move the cursor to the Current range field then pressing the UP or DOWN soft key to select the desired range The following hardware ran...

Страница 28: ...nductance or resistance you will see the range change on the display If however you are displaying conductivity resistivity TDS or salinity as you change ranges the display will automatically select the best resolution and the hardware range change will not be visible Example With the 3200 in manual range mode 9 50 99 99mS range the display is as follows 1017 uS cm 10 27mS OPERATION 984 6 Ωcm 97 3...

Страница 29: ...1 Make sure that the 3200 is setup to read the units you wish to measure in conductance conductivity resistivity etc To change the units see section 3 5 Display Configuration Measurement Units 2 Verify that the 3200 is properly setup to use the current cell by measuring or calibrating with standard conductivity solution s See section 3 2 Cell Calibration 3 Immerse the cell YSI 3200 series in the s...

Страница 30: ...System Configuration and Operation Section 3 YSI Incorporated Model 3200 26 ...

Страница 31: ...the storing of data The 3200 can store 100 readings records 0 99 The current record number and status are shown in the display on the right side Press the STORE soft key to store the current readings The message RECORD STORED will be displayed briefly on the screen and the record number will increase to the next memory location The 3200 stores the date time temperature and conductivity along with ...

Страница 32: ... contains data and you press STORE the current readings will be stored and the previous readings will be erased NOTE There is NO way to restore previous data once it has been erased When you have finished storing records press MODE two times to return to Operation mode 4 2 REVIEW From the Data menu press the REVIEW soft key to enter Review mode and display the following menu 2 19 97 8 45AM REVIEW ...

Страница 33: ...ion 4 3 Send Send Setup for format When you have finished recalling records press MODE two times to return to Operation mode SEND ALL From the Review menu you may send ALL stored records to a computer or serial printer by pressing the SEND ALL soft key See section 4 3 Send Send Setup for format CLEAR From the Review menu press the CLEAR soft key to display the following menu 2 19 97 8 45AM CLEAR 1...

Страница 34: ...cords press MODE three times to return to Operation mode CLEAR ALL To delete ALL stored data from the Review menu press the CLR ALL soft key to display the following 2 14 97 11 45AM CLEAR ALL 2 133mS cm 25 48 C record 10 468 8 Ω cm 45 1 ppt FULL K 1 090 1 91 C ENTER TO CONFIRM DELETE ALL Press ENTER to confirm your decision and delete ALL stored data Press MODE instead of ENTER if you wish to abor...

Страница 35: ...ata see the following section Send Setup SEND SETUP From the Data menu the SND SETUP soft key is used to set the format of and data fields included in the information that is sent to a computer or serial printer via the RS232 port 3 150 uS cm K 10 100 25 0 C 24 38 C 317 5KΩ cm 1 50 C T CELL SET COM SET SEN SEND SETUP To setup the communications parameters press the SET COM soft key The following s...

Страница 36: ...t the report format that you wish to use by changing the field delimiter The default is a space This provides a standard text output You may also select a comma by pressing the UP or DOWN soft key When Space units is selected by placing an asterisk character between the brackets in front of it a space will be inserted between the value and the units This is useful when importing the data to a spre...

Страница 37: ...e parameters press MODE once to return to the Send Setup menu or three times to return to Operation mode DATA LOGGING The 3200 can be setup to automatically send results to a computer or serial printer via the RS232 port at a user selected time interval from 5 to 1800 seconds 30 minutes From the Data menu press the SND SETUP soft key then press the SET SEN soft key The following screen will be dis...

Страница 38: ...ft keys to enter the S interval parameter Field delimiter SETUP SEND Space units Temperature Date Conductance Time Conductivity Cell config Compensation 30 S interval UP DOWN DIGIT NEXT After you have entered the S interval value press MODE once to return to the Send Setup menu or three times to return to Operation mode YSI Incorporated Model 3200 34 ...

Страница 39: ... RS232 communications parameters The send key causes strings of data to be sent to the serial port at every supported baud rate From the Diagnostics menu press the SEND soft key to start sending test data strings SEND TEST sending strings at all baud rates 9600 Baud rate QUIT QUIT QUIT QUIT The 3200 will cycle through all supported baud rates You will see garbage on the computer or serial printer ...

Страница 40: ...Diagnostics Section 5 YSI Incorporated Model 3200 36 ...

Страница 41: ...nges of distilled or deionized water Inspect the platinum black to see if replatinizing is required Storage Short term Store conductivity cells in deionized or distilled water Change the water frequently to prevent any growth that may cause electrode fouling Long term Rinse thoroughly with deionized or distilled water and store dry Any cell that has been stored dry should be soaked in distilled wa...

Страница 42: ...g screen showing the time remaining and the polarity of the polarization current will be displayed PLATINIZE 5 8 MIN remaining time platinization polarity PRESS MODE TO ABORT PLATINIZATION 5 After the platinization process is complete remove the cell from the platinizing solution If you want to stop the platinization before the timer reaches zero press the MODE key to abort 6 Thoroughly rinse the ...

Страница 43: ... records a temp compensation curve from 15 to 45 C This error will be displayed if they then set the reference temperature below 15 C or above 45 C NO TEMPERATURE INPUT The system is configured to use a form of temperature compensation but no temperature probe is connected To temperature compensate either a conductivity cell with integrated temperature probe or a separate temperature probe is requ...

Страница 44: ...Troubleshooting Section 7 YSI Incorporated Model 3200 40 ...

Страница 45: ...in ultrapure water measurement In this mode the A D only sees that portion of the voltage across the reference resistor that is caused by the in phase cell current thus eliminating parallel capacitance 8 2 CONDUCTIVITY PRINCIPLES INTRODUCTION Conductivity measurements are used in wastewater treatment industry pharmaceutical and military etc as a measurement of the purity or the condition of a proc...

Страница 46: ...fined as the ratio of the distance between the electrodes d to the area normal to the current flow A 42 Therefore conductivity equals conductance multiplied by the cell constant Example For an observed conductance of 100 micro mhos 100 microsiemens and a cell constant of 0 1 cm k K 100 mho 0 1 cm 10 mho cm ℵ µ µ In SI units the cell constant K 0 1 cm would become K 10 m and the same conductivity w...

Страница 47: ...ctivity Instrument gives greater flexibility and performance when using one cell over a wide conductivity range This feature allows users to calibrate one cell with up to 5 different conductivity standard solutions When analyzing a sample the instrument selects the calibration value that is closest in conductivity to the sample 3200 SERIES CONDUCTIVITY CELLS Dip cells are generally used for routin...

Страница 48: ...Principles of Operation Section 8 3252 3253 3254 3255 3256 YSI Incorporated Model 3200 44 ...

Страница 49: ...asured conductance in µ mho ℵ theoretical conductivity in µ mho cm The measured conductance k and conductivity ℵ must either be determined at the same temperature or corrected to the same temperature for the equation to be valid One main reason for cell constant calibration is to increase overall system accuracy CONDUCTIVITY CELL CALIBRATION SOME THINGS TO REMEMBER 1 Rinse the cell and solution co...

Страница 50: ...cell cleanliness electrical interferences etc Therefore when operating on this range some instability in the least significant digit is normal and should be averaged or ignored Error Sources Solution temperature coefficient may be upwards of 7 per C Absorption of atmospheric CO2 may account for 1 3µS cm at 25 C Platinization ions may leach into the solution from the electrodes Glass ions may leach...

Страница 51: ... cell carefully 10 Always rinse the cell carefully before transferring it from one solution to another 11 Never store a dirty or contaminated cell 12 The cells should not be submerged in aqua regia or any solution that might etch or dissolve gold PLATINIZATION Platinum Black Inspection The electrodes of YSI 3200 and 3400 Series conductivity cells are coated with platinum black during manufacturing...

Страница 52: ... the conductivity at 25 C can be manually determined from the following equation ℵ ℵ 25 T 1 T 25 α where T temperature of sample ℵ25 conductivity at 25 C ℵT conductivity at measurement temperature T α temperature coefficient of the conductivity solution Prestored Temperature Compensation Curves The YSI 3200 has two pre stored non linear temperature compensation curves ultrapure water and natural w...

Страница 53: ...the cell constant K The cell will require calibration after being configured as a fill cell CONDUCTIVITY SYSTEM ACCURACY CONSIDERATIONS System accuracy for conductivity measurements is equal to the sum of the errors contributed by the environment and the various components of the measurement setup These include Instrument accuracy Cell constant accuracy Temperature measurement accuracy Instrument ...

Страница 54: ...erature variation The algorithm for conversion of resistance to temperature is built in to the Model 3200 software and accurate temperature readings in degrees Celsius or Fahrenheit are provided automatically No calibration or maintenance of the temperature sensor is required 8 6 SOURCES OF ERRORS CELL CONTAMINATION This error is usually due to contamination of the cell by some previous solution N...

Страница 55: ...roduce negligible error in most measurements However if longer cables are required or if extraordinary accuracy is necessary special precautions may be prudent When using the YSI 3232 cell adapter and a 2 wire cell such as the YSI 3400 series cells with solutions having very high conductivity values a high cable resistance will become a major source of error unless accounted for When working with ...

Страница 56: ...Principles of Operation Section 8 YSI Incorporated Model 3200 52 ...

Страница 57: ...f repair or replacement Limitation of Warranty This Warranty does not apply to any YSI product damage or failure caused by i failure to install operate or use the product in accordance with YSI s written instructions ii abuse or misuse of the product iii failure to maintain the product in accordance with YSI s written instructions or standard industry procedure iv any improper repairs to the produ...

Страница 58: ...CE CENTERS FOR THE NEAREST AUTHORIZED SERVICE CENTER CONTACT YSI Technical Support 1725 Brannum Lane Yellow Springs Ohio 45387 Phone 1 937 767 7241 800 897 4151 US Fax 937 767 1058 Email environmental ysi com www ysi com YSI Incorporated Model 3200 54 ...

Страница 59: ...Warranty and Repair Section 9 YSI Incorporated Model 3200 55 ...

Страница 60: ...equipment Disposition costs will be the responsibility of the sender When service is required either at the user s facility or at YSI the following steps must be taken to insure the safety of our service personnel 1 In a manner appropriate to each device decontaminate all exposed surfaces including any containers 70 isopropyl alcohol or a solution of 1 4 cup bleach to 1 gallon tap water are suitab...

Страница 61: ...inal and surround the product completely with packing material 5 Insure for the replacement value of the product Cleaning Certificate Organization Department Address City _______________ State ______ Zip Country __________________ Phone Model No of Device ______ Lot Number Contaminant if known Cleaning Agent s used Radioactive Decontamination Certified Answer only if there has been radioactive exp...

Страница 62: ...el application 3200 Bootware ver 1 1 6 On the computer keyboard type LOAD then press ENTER The computer screen should display MFG 0089 Device 4470 Erase ROM Yes No Abort 7 On the computer keyboard type Y After 2 or 3 seconds the computer screen should display Load File 8 Enter your communications program command to Upload File such as the PageUp key in ProCommTM or Send text file in WindowsTM term...

Страница 63: ...sed lift the front of the board slightly and slide the board out of the rear connector openings PC Board Re installation Remove the protective covering from the display DO NOT TOUCH THE FACE OF THE DISPLAY FINGERPRINTS CANNOT BE EASILY REMOVED Slip the connector end of the board into place against the gaskets at the rear of the case then rotate the board down into position engaging each snap as yo...

Страница 64: ... Temperature compensation must be turned off 2 Put the 3200 in manual range mode 3 Set the units to conductance and or resistance 4 The 3200 has no internal calibration Opening the case should only be attempted by a qualified service technician or permanent damage may result Resistance Conductance Verification Resistance Input Cell Connector 3200 Range Displayed Resistance Displayed Conductance 1 ...

Страница 65: ... 19600 Ω 25 0 00 15 o C 25 o C 10000 Ω 25 6000 Ω 25 25 00 15 o C 40 o C 5329 Ω 25 3197 Ω 25 40 00 15 o C 70 o C 1752 Ω 25 1051 Ω 25 70 00 20 o C 100 o C 678 5 Ω 25 407 1 Ω 25 100 00 20 o C Input temperature resistances either via the EXT TEMP connector or via pins 1 2 of the mini DIN connector not both See the following figure Test and Verification YSI Incorporated Model 3200 61 ...

Страница 66: ...e Mini DIN Conn YSI 003229 1 2 3 4 5 6 7 Yellow Drive White Sense Blue Sense Brown Drive YSI 3166 or Decade Resistance Box Black Green Red T 3200 s External Temperature Connector 12 0 VDC RS 232 CELL EXT TEMP 1 2 3 4 5 6 7 3200 Rear Panel Temp Probe Thermistor 6KΩ 25 o C T Decade Resistance Box Decade Resistance Box YSI Incorporated Model 3200 62 ...

Страница 67: ...03226 weight 003226 Weight SS 051043 Foot Rubber Self Stick 032061 Gasket Connector Cell 032062 Gasket Connector Ext Temp 032063 Gasket Connector Power 032064 Gasket Connector RS232 051025 Standoff 25 Snap In Retain display 003228 Extension Switch 003224 Operations Manual 052021 RS232 Cable DB9 For computer 003229 Cable Assy Cell 7 pin mini DIN to pigtail 3232 Cell adapter For YSI 3400 Series cell...

Страница 68: ...and flow through conductivity cells are available each utilizing platinized platinum iridium electrodes except the YSI 3418 which has platinized nickel electrodes These cells require the 3232 adapter and a 3220 or 700 series temperature probe for use with the YSI 3200 These cells have the following specifications Part Number cgs Cell Constant SI Cell Constant Material Overall Length O D Chamber I ...

Страница 69: ...ation purposes The following conductivity calibrator solutions are available from YSI Part Number Size Conductivity at 25 00 C 3161 1 quart 1 000 µ mho cm 0 50 3163 1 quart 10 000 µ mho cm 0 25 3165 1 quart 100 000 µ mho cm 0 25 3167 8 pints 1 000 µ mho cm 1 0 3168 8 pints 10 000 µ mho cm 1 0 3169 8 pints 50 000 µ mho cm 1 0 YSI Incorporated Model 3200 65 ...

Страница 70: ...Accessories and Replacement Parts Section 10 YSI Incorporated Model 3200 66 ...

Страница 71: ... scale 0 1 mS 1460 Hz 0 95 3 00 S 1 0 full scale 0 01 S 1460 Hz Resistance Range Accuracy Resolution Frequency 0 9 999 Ω 0 2 full scale 0 001Ω 1460 Hz 0 99 99 Ω 0 1 full scale 0 01 Ω 1460 Hz 0 999 9 Ω 0 1 full scale 0 1 Ω 1010 Hz 0 9 999 kΩ 0 1 full scale 0 001 kΩ 1010 Hz 0 99 99 kΩ 0 1 full scale 0 01 kΩ 1010 Hz 100 0 999 9 kΩ 0 2 full scale 0 1 kΩ 290 Hz 1 00 9 99 MΩ 0 5 full scale 0 01 MΩ 80 Hz...

Страница 72: ...00 points Cell constant cm 1 0 001 100 Calibration Multipoint up to 5 points Outputs RS232 Alarm Yes Clock Yes Display Graphic LCD Cell connector 7 pin Mini Din Platinizing capability Included Power AC 115V 220V Approvals UL CSA CE Environmental requirements 95 RH non cond Size 9 x 9 5 x 4 4 inches 22 9 x 24 1 x 11 2 cm Weight 2 6 pounds 1 1 kg YSI Incorporated Model 3200 68 ...

Страница 73: ... the following measures Reorient the receiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plug the computer into a different outlet so that the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the f...

Страница 74: ...Required Notice Appendix B YSI Incorporated Model 3200 70 ...

Страница 75: ...Ltd has been tested for use with the YSI 3200 NP 104 RBR120 Printer with batteries and power supply NP 104 S RNR Printer without batteries Serial Computer Connection A standard straight NOT a null modem cable is required for connecting to a computer RS232 serial port The 3200 requires a male DB9 connector 3200 9 pin d sub male Computer 9 pin d sub Computer 25 pin d sub pin 2 pin 2 pin 3 pin 3 pin ...

Страница 76: ...RS232 Connections Appendix C YSI Incorporated Model 3200 72 ...

Страница 77: ...18 05 2 02 50 19 43 2 04 Concentration 1 x 10 2 mole liter Concentration 1 x 10 3 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 0 773 1 81 0 0 080 1 84 5 0 892 1 84 5 0 092 1 88 10 1 015 1 87 10 0 105 1 92 15 1 143 1 90 15 0 119 1 96 20 1 275 1 93 20 0 133 1 99 25 1 412 1 96 25 0 147 2 02 30 1 553 1 99 30 0 162 2 05 35 1 697 2 02 35 0 178 2 07 37 5 1 771 2 03 37 5 0 186 2 08 40 1 845 2 05 40 0 ...

Страница 78: ...25 C C mS cm C to 25 C 0 5 77 1 83 0 0 632 1 87 5 6 65 1 88 5 0 731 1 92 10 7 58 1 92 10 0 836 1 97 15 8 57 1 96 15 0 948 2 01 20 9 60 1 99 20 1 064 2 05 25 10 66 2 02 25 1 186 2 09 30 11 75 2 04 30 1 312 2 12 35 12 86 2 06 35 1 442 2 16 37 5 13 42 2 07 37 5 1 508 2 17 40 13 99 2 08 40 1 575 2 19 45 15 14 2 10 45 1 711 2 21 50 16 30 2 12 50 1 850 2 24 Concentration 1 x 10 3 mole liter C mS cm C to...

Страница 79: ... 2 25 25 1 070 2 08 25 0 114 2 28 30 1 183 2 12 30 0 127 2 31 35 1 301 2 16 35 0 140 2 32 37 5 1 362 2 18 37 5 0 147 2 32 40 1 423 2 20 40 0 154 2 31 45 1 549 2 24 45 0 166 2 29 50 1 680 2 28 50 0 178 2 25 D Potassium Nitrate KNO3 Concentration 1 x 10 1 mole liter Concentration 1 x 10 2 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 6 68 1 78 0 0 756 1 77 5 7 71 1 79 5 0 868 1 80 10 8 75 1 81 10...

Страница 80: ...0 19 45 2 09 Concentration 1 x 10 2 mole liter Concentration 1 x 10 3 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 0 764 1 84 0 0 078 1 88 5 0 889 1 86 5 0 092 1 90 10 1 015 1 88 10 0 105 1 91 15 1 144 1 91 15 0 119 1 93 20 1 277 1 94 20 0 133 1 95 25 1 414 1 97 25 0 148 1 98 30 1 557 2 02 30 0 162 2 01 35 1 706 2 06 35 0 178 2 04 37 5 1 782 2 08 37 5 0 186 2 06 40 1 860 2 10 40 0 194 2 07 45 ...

Страница 81: ...EASUREMENT UNITS SYMBOLS RESISTANCE OHM Ω CONDUCTANCE SIEMENS S MHO CONDUCTANCE 1 RESISTANCE 1 Ω CONDUCTIVITY SIEMENS METER S m or MHO CENTIMETER CELL CONSTANT 1 cm or 1 m Calculate conductivity by multiplying the measured conductance in mhos or siemens by the appropriate cell constant K observing the dimensions of the constant RESISTIVITY OF CONDUCTIVITY SOLUTIONS 100 000 µS cm 10 ohm cm 50 000 µ...

Страница 82: ...Conversion Factors Appendix E YSI Incorporated Model 3200 78 ...

Страница 83: ...esistance The SI unit is siemens S also measured in mhos conductivity ℵ The ratio of the current density in a conductor to the electric field causing the current to flow the inverse of resistivity the conductance between opposite faces of a cube of the measured material of 1 cm cgs units or 1 m SI units edge Measured in mho cm cgs units or S m SI units conductivity cell Any cell with electrodes us...

Страница 84: ...rode resistance R Opposition to the passage of current that causes electrical energy to be transformed into heat resistivity An intrinsic property of a conductor which gives the resistance in terms of its dimensions the resistance between opposite faces of a one centimeter cube of a given material the inverse of conductivity SI Système International is the international system of units siemens S S...

Страница 85: ...Glossary of Terms Appendix F YSI Incorporated Model 3200 81 ...

Страница 86: ...1700 1725 Brannum Lane Yellow Springs Ohio 45387 USA 800 765 4974 937 767 7241 FAX 937 767 9353 Email environmental ysi com Website www YSI com ITEM 003224 Web DRW A03224 Revision F April 1999 ...

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