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INTRODUCTION

The Sper Scientific Large Display Salinity 

(Model 850036) and Conductivity (Model 

850037) Pens provide highly stable and 

accurate readings with a large LCD that 

simultaneously displays the parameter 

being measured and temperature in  

°C or °F. The pens are designed for simple 

one-hand operation. The case is IP65 

waterproof, and will float if accidentally 

dropped into the water. 

Salinity is displayed not as a percentage 

but as parts per thousand (ppt), which  

is approximately grams of salt per liter  

of solution. 

Conductivity is displayed as mhos  

per centimeter (M/cm) or siemens  

per centimeter (S/cm). Because a mho 

 

(or siemen) is a large unit, microsiemen  

or millisiemen typically is used (µS/cm,  

mS/cm).

Содержание Large Display Conductivity Pen - 850037

Страница 1: ...Large Display Salinity Conductivity Pens 850036 850037...

Страница 2: ...al may not be reproduced or transmitted in any form or by any means electronic mechanical or other means that do not yet exist or may be developed including photocopying recording or any information s...

Страница 3: ...PPENDICES 45 BATTERY REPLACEMENT 52 MAINTENANCE 53 TROUBLESHOOTING 54 WARRANTY 56 850036 SALINITY PEN 7 SET UP 8 CALIBRATION 12 MEASUREMENT PROCEDURES 16 SPECIFICATIONS 19 ERROR CODES 20 850037 CONDUC...

Страница 4: ...F The pens are designed for simple one hand operation The case is IP65 waterproof and will float if accidentally dropped into the water Salinity is displayed not as a percentage but as parts per thou...

Страница 5: ...ng Dual display with ATC Data hold Pen size for portability Built in probe with protective cap One touch multi point calibration Auto power off Low battery indicator MATERIALS SUPPLIED 4 LR44 button c...

Страница 6: ...it for the first time The low battery indicator appears on the LCD The pen will not turn on LCD DISPLAY LCD DISPLAY Hold data on the LCD Calibration Mode Low battery indicator Unit of conductivity Mea...

Страница 7: ...7 Large Display Salinity Pen 850036...

Страница 8: ...tUt To select the Celsius or Fahrenheit temperature scale 1 Press SET for 2 seconds to enter setup 2 t will appear on the primary display of the LCD and P1 0 will appear on the secondary display 3 Pr...

Страница 9: ...ill be reset to factory default values 1 Press SET for 2 seconds to enter setup 2 Press to select the reset pen setting rst will appear on the main display of the LCD and P3 0 will appear on the secon...

Страница 10: ...return to Measurement Mode Calibration Review CAL 1 Press SET for 2 seconds to enter setup 2 Press to select the calibration review setting CAL will appear on the primary display of the LCD and P4 0...

Страница 11: ...confirm and return to P4 0 6 When in P4 0 press to advance to the next setup function or press SET for more than 2 seconds to return to Measurement Mode Note P4 1 and P4 2 Modes allow review of the c...

Страница 12: ...est results select a NaCl standard near the sample value that you are measuring Alternatively use a calibration solution value that is approximately of the full scale of the measurement range that you...

Страница 13: ...ry and should be performed regularly Soak the probe for 15 minutes before calibration or measurement to minimize drift If the pen is used in the mid ranges calibrate the unit monthly If the measuremen...

Страница 14: ...be into the other container Tap the probe on the bottom of the container to remove air bubbles Let the probe stabilize to the solution temperature allow 15 minutes 7 Press CAL for more than 2 seconds...

Страница 15: ...conds This allows you to retain the pen s previous calibration data for the current range as you proceed If CAL flashes on the LCD continually check that the calibration solution is stable and that th...

Страница 16: ...esolution and accuracy 4 To manually select the measurement range Press SET to turn the pen on Press for more than 2 seconds to select range 1 Press for more than 2 seconds to select range 2 Note Accu...

Страница 17: ...ere are no air bubbles trapped in the probe slot Gently stir the probe to remove air bubbles ensuring that the probe tip is submerged while stirring 7 Stir the probe gently to create a uniform sample...

Страница 18: ...urement Mode then press SET again Auto Power Off 1 To save battery life the pen will automatically turn off after 20 minutes of inactivity To disable this function 2 Press SET to turn the pen off 3 Pr...

Страница 19: ...pt or 0 1 ppt Calibration One point per range TDS Factor Built in NaCl conductivity to TDS factor Temperature Coefficient Built in NaCl temperature coefficient Reference Temperature Fixed at 25 C Oper...

Страница 20: ...lt value is over the range limit 70 0 ppt or the pen is damaged Put the pen in standard buffer solution the buffer concentration must be lower than the range limit If E03 still appears send the pen to...

Страница 21: ...the temperature circuit is damaged Place the pen in room temperature for 5 minutes if E02 still appears send the pen to Sper Scientific for repair E03 The temperature value is above the range limit 5...

Страница 22: ...22...

Страница 23: ...23 Large Display Conductivity Pen 850037...

Страница 24: ...The advanced Setup Mode allows you to customize the pen s preferences and defaults 1 Press SET to turn the pen on 2 From Measurement Mode press SET for more than 2 seconds to enter Setup Mode and chan...

Страница 25: ...nd to enter the unit setting 4 Press or to select C Celsius or F Fahrenheit Press SET for less than one second to confirm the unit selection Press SET for more than 2 seconds to return to P1 0 without...

Страница 26: ...an 2 seconds to return to P1 0 without saving momentarily again to enter unit setting Press or to select C F Press momentarily to confirm the unit or press more than 2 sec to return to P1 0 without sa...

Страница 27: ...ure coefficient value P1 3 In temp coefficient adjustment next step or press more than 2 sec to return to P1 0 without saving Temp Coefficient tCo press or or to change the temperature coefficient fro...

Страница 28: ...d to confirm the selection or press SET for more than 2 seconds to return to P3 0 without saving more than 2 seconds to return to P2 0 without confirming the value P3 0 Reset meter rSt In P2 0 press o...

Страница 29: ...formation 3 When in P4 0 press SET for less than one second to enter P4 1 to review the last calibration concentration If the pen is not yet calibrated will appear on the LCD Range 2 Calibration Infor...

Страница 30: ...the calibration information but are not used during the calibration procedure When in Temperature Parameter P1 0 Resetting the Pen P3 0 or Calibration Review P4 0 Setup Modes press SET for more than 2...

Страница 31: ...n 2 seconds to select range 1 Press for more than 2 seconds to select range 2 2 Press or more than 2 seconds to select the range CALIBRATION MODE CAL To manual select the measurement range 1 Turn on t...

Страница 32: ...approximately 2 3 of the full scale of the measurement range that you plan to utilize For example in the 0 to 1999 S range use 1413 S solution for calibration Do NOT reuse the calibration solution Con...

Страница 33: ...when you re calibrate at 1500 S again also in the 0 to 1999 range the previous 1413 S calibration point will be replaced in this range 0 to 1999 S However the pen will retain the calibration data for...

Страница 34: ...or the calibration standard value of the solution Selecting the Calibration Schedule Calibration is necessary and should be performed regularly Soak the probe for 15 minutes before calibration or meas...

Страница 35: ...the rinsed probe into the other container Tap the probe on the bottom of the container to remove air bubbles Let the probe stabilize to the solution temperature allow 15 minutes 22 CALIBRATION 3 Pour...

Страница 36: ...from the detected value If the detected value and the standard value differ by more than 30 clean or replace the pen Example Standard 10 S Detected value 19 uS Adjustable range 5 7 S 19 30 Under the a...

Страница 37: ...ximum input value is 1 99 mS 9 When CAL stops flashing on the LCD press SET for less than 1 second to confirm the value The pen will return to Measurement Mode To exit Calibration Mode without saving...

Страница 38: ...bration Mode MEASUREMENT PROCEDURES 1 Remove the probe cover from the pen Remove the cover from the bottom of meter to expose the electrode Electrode 3 The meter is default in auto ranging status once...

Страница 39: ...E03 if the measured value is below or over the limit value please re select the range 1 2 See page 12 for the detail 2 Press SET to turn the pen on 3 The pen defaults to auto ranging mode The auto ra...

Страница 40: ...manually selecting the range normalize to 20 C instead see page 26 7 Rinse the probe tip with de ionized or distilled water before use to remove any impurities adhering to the probe If the probe tip...

Страница 41: ...Press HLD again to release the hold function Allow a few seconds to reach temp equilibrium Wait about 15 minutes can get a stable reading The unit of measurement will flash on the LCD to indicate the...

Страница 42: ...e Accuracy 2 F 1 C Temperature Resolution 0 1 C F Calibration One point per range Temperature Coefficient 0 to 4 0 C Reference Temperature 20 C or 25 C Operating Temperature 0 to 50 C 32 to 122 F Batt...

Страница 43: ...it 19 99 mS or the pen is damaged Put the pen in standard buffer solution the buffer concentration must be lower than the range limit If E03 still appears send the pen to Sper Scientific for repair E0...

Страница 44: ...the temperature circuit is damaged Place the pen in room temperature for 5 minutes if E02 still appears send the pen to Sper Scientific for repair E03 The temperature value is above the range limit 5...

Страница 45: ...45 Appendices...

Страница 46: ...nce Temperature 25 C Selectable 25 C or 20 C P1 3 Temperature Coefficient 2 1 C Adjustable 0 4 to 10 P3 1 Factory Default NO Retain your current settings P4 1 Viewing previous calibration data No cal...

Страница 47: ...ion temperature was introduced to allow the comparison of conductivity results obtained at different temperatures The reference temperature is usually 20 C or 25 C The pen measures the actual conducti...

Страница 48: ...ure Normalization temperature was introduced to allow the comparison of conductivity results obtained at different temperature 0 0 The reference temperature is usually 20 C or 25 C The conductivity me...

Страница 49: ...temperature coefficient by using the following equation APPENDICES T2 should be selected as a typical sample temperature and should be approximately 10 C different from T1 The temperature coefficient...

Страница 50: ...50 Acids 1 0 1 6 C Bases 1 8 2 2 C Salts 2 2 3 0 C Drinking water 2 0 C Ultra pure water 5 2 C...

Страница 51: ...51 Battery Replacement Maintenance Troubleshooting...

Страница 52: ...pen BATTERY REPLACEMENT 1 Press SET to turn the pen off 2 Remove the battery cover located on the top of the unit by rotating counterclockwise Do NOT discard the black washer 3 Remove the old batteri...

Страница 53: ...2 Rinse the probe carefully in deionized water replace the cap and store dry in an environment of 0 to 50 C Note If the probe has been exposed to a solvent that is immiscible with water clean the pro...

Страница 54: ...atteries and try again 4 Remove the batteries for one minute and then replace the batteries Display disappears If the low battery icon appears on the LCD before the display disappears replace with new...

Страница 55: ...remove the air bubbles If above method are not working remove the electrode out of solution and blow at the electrode to remove the air bubbles To remove the air bubbles 1 Stir the probe 2 Dip the pro...

Страница 56: ...available This warranty does not cover probes batteries battery leakage or damage resulting from accident tampering misuse or abuse of the product Opening the pen to expose its electronics will void...

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