JENCO EC3840 Operation Manual Download | Manualshive

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Operation Manual

Hand-held Conductivity/Salinity/TDS/

Temperature Meter

EC3840

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Summary of Contents for EC3840

Page 1: ...Operation Manual Hand held Conductivity Salinity TDS Temperature Meter EC3840 ...

Page 2: ...WATER PROOF 2 INSTALLING THE BATTERIES 3 DISPLAY KEYS FUNCTIONS 4 A Display 4 B Keys 5 OPERATIONAL PROCEDURES 5 A Preparing Standard Solutions 5 B Calibration 6 C Conductivity Measurements 7 ERROR DISPLAYS AND TROUBLESHOOTING 8 SPECIFICATIONS 9 WARRANTY 10 ...

Page 3: ...ngle four wire conductivity cell Other features include automatic conductivity ranging automatic temperature compensation long battery life and 50 60 Hz AC noise rejection This unit is universal and user friendly for field industrial and laboratory applications INITIAL INSPECTION Carefully unpack the unit and accessories Inspect for damages made in shipment If any damage is found notify your Jenco...

Page 4: ...se a screw driver to remove the two screws and battery cover to expose the battery compartment Figure 1 2 Note the polarity and insert the batteries into the battery compartment correctly 3 Replace the battery cover and make sure to secure the two screws for the water tight feature Note Press the On Off key to turn the unit on If the unit is running then you can press the On Off key to turn the un...

Page 5: ...nit 3 UNCOMPENSATED Distinguish between temperature compensated and non temperature compensated reading 10 ppt Parts per thousand indicates salinity measurement 4 MAIN DISPLAY For compensated and uncompensated conductivity salinity and TDS values 11 uS mS microsiemens or millisiemens indicates conductivity measurement 5 CAL Calibration mode indicator 12 g L Grams Liter indicates TDS measurement 6 ...

Page 6: ...ter Enter In Calibration Set up press this key to save the current parameter to memory OPERATIONAL PROCEDURES A Preparing Standard Solutions Suitable conductivity standards are available commercially or the user can prepare them using research grade reagents Here are some standard solutions the user can prepare to calibrate the probe of the model EC3840 1 Standard solution of 1413uS at 25 Accurate...

Page 7: ... to enter the calibration mode CAL appears on the LCD Press Mode key to sequentially display the following sections Note Press Enter key to accept any values changes in each section and automatically advance to the next section If there are no changes the unit accepts the current value and proceeds to the next section TDS TDS is determined by multiplying conductivity mS by a TDS factor The default...

Page 8: ...e key to cancel the change and display the Conductivity Calibration screen Conductivity Calibration a Immerse the probe in a standard of known conductivity preferably a standard in the middle range of the solutions to be measured Immerse the probe at least 2 to 3 or 5 7cm from the tip without touching the sides of the calibration container Shake the probe lightly to remove any air bubbles trapped ...

Page 9: ...dary Display Possible cause s Corrective Action s over during measurements Conductivity is 200 0mS Salinity is 70 0ppt over during calibration Cell Constant Calibration is out of range Ensure the probe is immersed at least 2 3 or 5 7cm from the tip below the surface of the sample standard solution Allow sufficient time for the electrode and Temp probe to stabilize Recalibrate with correct value fo...

Page 10: ...ll Scale Temperature 10 0 to 90 0 C 0 1 C 0 2 C or 0 4 Full Scale whichever is greater Reference Temperature 15 0 to 25 0 C Temperature Coefficient 0 0 to 4 0 Cell Constant 0 5 0 15 TDS Constant Range 0 30 to 1 00 Power Four AAA Batteries Calibration Back up EEPROM Audio Feedback All Touch Keys Display pH mV Temp 11mm 7mm high LCD Ambient Temperature Range 0 to 50 C Relative Humidity up to 90 Case...

Page 11: ... 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 before returning items for any reason When applying for authorization have the model and serial number handy including data regarding the reason for return For your protection items must be carefully pack...

Page 12: ...ncoi com sales jencoi com Website www jencoi com Jenco Electronics Inc P O Box Linkou 117 Taipei Taiwan TEL 886 2 2601 6191 FAX 886 2 2601 7206 Shanghai Jenco Instruments Ltd 18 Wang Dong Zhong Road Sijing Town Songjiang Shanghai China TEL 86 021 5761 9599 FAX 86 021 5761 9598 E Mail jencos jenco com cn Website www jenco com cn ...

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