JENCO 3020M Operation Manual
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JENCO 3020M Operation Manual

Hand-held conductivity/salinity/tds/ temperature meter
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Operation Manual
Hand-held Conductivity/Salinity/TDS/
Temperature Meter
3020M

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Summary of Contents for JENCO 3020M

  • Page 1 Operation Manual Hand-held Conductivity/Salinity/TDS/ Temperature Meter 3020M...

  • Page 2: Table Of Contents

    CONTENTS GENERAL INTRODUCTION………………....2 INITIAL INSPECTION……...………………....2 WATER PROOF…….……...………………....2 INSTALLING THE BATTERIES..…………....3 DISPLAY & KEYS FUNCTIONS…..……………...…………4 ..............4 A. Display ..............5 Keys MODES OF THE METER………..……......6 OPERATIONAL PROCEDURES..……......8 ........8 Preparing Standard Solutions ............8 Calibration ........10 C. Conductivity Measurements ........10 D. Save, Recall and Delete Data. ERROR DISPLAYS AND TROUBLESHOOTING..12 SPECIFICATIONS………………..……......13 WARRANTY…………………………......14...

  • Page 3: General Introduction

    GENERAL INTRODUCTION Thank you for selecting the 3020M meter. The 3020M is a precision tool that measure conductivity, salinity, TDS and temperature. A built-in microprocessor stores, calculates and compensates for all parameters related to conductivity and temperature determinations. This unit has a waterproof IP65 case. The touch mode keys are highly reliable with tactile and audio feedback.

  • Page 4: Installing The Batteries

    3. If the unit does not function correctly after steps1 and 2, call JENCO for possible repair or replacement (see Warranty). INSTALLING THE BATTERIES The 3020M meter is packaged with one 9V battery required for operation. To insert the batteries into the meter, follow the procedure outlined below.

  • Page 5: Display & Keys Functions

    DISPLAY & KEYS FUNCTIONS Display Figure 2: Active LCD screen 1. BAT- 8. Delete- Low battery indicator. To delete stored data. 2. Full- 9. Each- This will indicate that all 50 To delete a single set of data data storage sites are used up. from the data storage.

  • Page 6: Keys

    18. CONDUCTIVITY- 15. Temperature unit Displays when measuring display conductivity. 19. Recall- 16. Data storage site number. To recall data from the data storage. 20. UNCOMPENSATED- 17. Save- Distinguish between To save a reading into the data temperature compensated storage. non- temperature compensated reading.

  • Page 7: Modes Of The Meter

    ENTER- In "Calibration" mode, press this key to save the current parameter to memory. In "Measurement" mode, press this key to save reading into the next available data storage site. At the Recall interface, press this key to display the last set of saved data.
  • Page 8 SALINITY mode: The unit will display SALINITY reading. 5. Recall interface: Press "ENTER" key to go into recall mode. 6. Recall mode: In this mode, user can recall data saved in memory. 7. Delete interface: Press "ENTER" key to go into delete mode.

  • Page 9: Operational Procedures

    Here are some standard solutions the user can prepare to calibrate the probe of the model 3020M. Standard solution of 147uS at 25℃: Accurately measure out 100ml of the 1413uS standard solution as in point 1. Dilute it with 900ml of distilled water.
  • Page 10 Allow temperature reading to stabilize, press "CAL" key to enter the calibration mode. The "CAL" icon appears on the LCD. Press "MODE" key to sequentially view previous calibration settings. TDS is determined by multiplying conductivity (mS) by a TDS factor. The default factor value is 0.65. To change the TDS factor, use the "UP"...

  • Page 11: Conductivity Measurements

    changes made will be cancelled and the previous calibration settings will be retained. 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) into standard solution without touching the sides of the calibration container.
  • Page 12 Recalling readings from memory. To recall saved data, press "ENTER" key at the Recall interface to go into "Recall" mode. Press the "UP" or "DOWN" keys to select the storage site number. Press "MODE" key to exit "Recall" mode. Deleting data. Press the "ENTER"...

  • Page 13: Error Displays And Troubleshooting

    ● standard. Clean cell. ● Temperature > Decrease/Increase ℃ 90.0 "OvEr " during the sample measurements temperature. Temperature < ℃ -10.0 Note: If the unit still does not perform normally after the above measures are taken, call Jenco Service Department.

  • Page 14: Specifications

    SPECIFICATIONS Display Range Resolution Accuracy 0.0 to 475.0uS/cm 0.1uS/cm Conductivity 475 to 4750uS/cm 1uS/cm ±0.5% Full Scale K=0.475 4.75 to 47.50mS/cm 0.01mS/cm 47.5 to 200.0mS/cm 0.1mS/cm Conductivity 0.00 to 99.99uS/cm 0.01uS/cm ±0.5% Full Scale K=0.1 100.0 to 200.0uS/cm 0.1uS/cm Salinity 0.0 to 70.0ppt 0.1ppt ±0.2% Full Scale...

  • Page 15: Warranty

    If you purchased the item from our Jenco distributors and it is under warranty, please contact them to notify us of the situation.
  • Page 16 Website: www.jencoi.com Jenco Electronics Inc. 1F., NO. 11, Lane 370, Sec. 6, Zhongxiao E. Rd. Nangang Dist., Taipei, Taiwan TEL: 886-2-2782-3226 FAX: 886-2-2782-3234 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...

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