Operation Manual
MODEL 9031M
Basis Portable
DO/Temperature Meter
9031M
Page 1: ...Operation Manual MODEL 9031M Basis Portable DO Temperature Meter 9031M...
Page 2: ...6 OPERATIONAL PROCEDURES 8 A Entering Sensor Cap Coefficients into the 9031M 8 B Dissolved Oxygen Calibration 9 C Dissolved Oxygen Measurements 10 D Sampling Modes continuous or manual 11 E Save Reca...
Page 3: ...031M measures dissolved oxygen in water using optical lifetime luminescence technology and uses a digital signal to send information between the instrument and probe Key advantages of the 9031M includ...
Page 4: ...ure outlined below Figure 1 Battery compartment 1 Use a screw driver to remove the four screws and battery cover to expose the battery compartment Figure 1 2 Replace the 9 V battery 3 Replace the batt...
Page 5: ...tor 6 K1 K2 K3 K4 K5 KC Sensor cap coefficient indicators when entering new sensor cap coefficient 7 Temperature unit 8 Temperature values 9 mg L dissolved oxygen unit 10 Full Recall Each All Delete I...
Page 6: ...Delete mode press these keys to select between the Delete Each and Delete All mode In Delete Each mode view to be deleted data and data site numbers by pressing these keys CAL In Measurement mode pre...
Page 7: ...OBE A Probe Throughout the manual the term probe refers to the end of the cable where the sensor is located the term sensor refers to the Light Sensing Dissolved Oxygen sensing portion of the cable pr...
Page 8: ...term storage 3 Reinstall the probe guard by sliding it carefully over the sensor and then threading it onto the cable probe assembly with a clockwise rotation Figure 5 4 Locate the gray calibration s...
Page 9: ...essing the ENTER key to confirm each entry 5 After confirming the last value for K1 the instrument will prompt you for K2 Follow the instructions in step 3 and 4 to enter and confirm the value for K2...
Page 10: ...bration mode The CAL icon appears on the LCD The main screen will display 1013 mBar factory default value The meter is now ready for atmospheric pressure calibration 4 To change the pressure factor us...
Page 11: ...ange the pressure factor use the Up and Down keys to adjust the value between 500 and 1125 mBar Press Enter key to save the new value and the unit will automatically go into the next calibration param...
Page 12: ...e Recall and Delete Data a Saving readings to memory 1 In Measurement mode press the Enter key to save data The Save icon with the corresponding site number will lit up for a brief moment to indicate...
Page 13: ...p and acetal and stainless steel probe guard To prevent the sensor cap from drying out store the probe in the gray calibration storage sleeve with a moistened clean sponge In the event the sensor cap...
Page 14: ...sponge or immersed in water see Sensor Storage for more information If the sensor dries out refer to the Rehydration procedure in this manual Refer to Figure 7 below when following the instructions f...
Page 15: ...Cap must remain in a moist environment see Sensor Storage for storage recommendations If the sensor cap is allowed to dry out it is likely to drift slightly at the beginning of your next study unless...
Page 16: ...ibration If erroneous readings persist inspect the sensor cap for damage cracks large scratches in paint or dye layer replace if necessary enter new coefficients and then attempt to recalibrate the in...
Page 17: ...tabilization time for dissolved oxygen and temperature 3 Check sensor cap Clean rehydrate or replace as necessary 4 Contact JENCO Tech Support DO readings are inaccurate 1 Verify temperature readings...
Page 18: ...o 1125 mBar Salinity compensation 0 0 to 40 0 ppt Calibration Up to 2 point Calibration Back up EEPROM Datalogging capabilities 50 data sets Automatic shut off function 10 minutes of non use Audio Fee...
Page 19: ...product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charge basis RETURN OF ITEMS Authorization must be obtained from one of our representatives befor...
Page 20: ...om Jenco Electronics Ltd 6F NO 81 Sec 2 Chang an E Rd Jhongshan District Taipei City 104 Taiwan TEL 886 2 2508 2928 FAX 886 2 2508 2938 E Mail sales jenco com tw Website www jenco com tw Shanghai Jenc...
