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JENCO VisionPlus pH618N Operation manual

Manual is about: Microcomputer Based pH&Temperature Pocket Meter

Summary of VisionPlus pH618N

  • Page 1

    Ph618 operation manual model ph 618 microcomputer based ph&temperature pocket meter.

  • Page 2: Contents

    1 contents initial inspection and assembly ................... 2 before your first use ...................................... 2 a. Replace the batteries ................................................... 2 b. Soak the electrode........................................................ 2 c. Setup and ...

  • Page 3

    2 initial inspection and assembly carefully unpack the instrument and accessories. Inspect for damages made in shipment. If any damage is found, notify your jenco representative immediately. All packing materials should be saved until satisfactory operation is confirmed. Before your first use a. Rep...

  • Page 4

    3 visionplus ph 618 overview a. Meter description 1. Battery cap 2. Lcd screen 3. Keypad 4. Electrode collar 5. Electrode & atc assembly (electrode cap is not shown.) b. Visionplus graphical display 1. Date (mm-dd-yy) 2. Hold mode indicator 3. Measure mode indicator 4. Calibration buffer(s) 5. Time ...

  • Page 5

    4 operation modes and keypad operations a. Operation modes visionplus ph meter has 6 operation modes: 1. Measure mode. Measure mode is used to make all ph and temperature measurements. 2. Calibration mode. Calibration mode is used to perform 1, 2 or 3 point calibration. 3. Hold mode. Hold mode is us...

  • Page 6

    5 key operation mode duration function measure 2 seconds stores current ph reading, date and time into memory. Date and time set 0 second increases current number. Recall data 2 seconds or more leaves recall data mode. Store buffer select 2 seconds or more leaves buffer select mode. Measure 2 second...

  • Page 7

    6 c. Select buffer 1. Press “scroll” key for 5 seconds or more to enter “buffer select mode”. 2. Press “scroll” key again to select either 7.00 (7.00/4.01/10.01) or 6.86 (6.86/4.00/9.18) buffer sets. 3. Press “store” key for 2 seconds to exit and return to “measure mode”. Note: there is no need to r...

  • Page 8

    7 note: for accurate measurements, it is recommended that ph calibration is preformed once a week and after replacing the electrode. E. Measure dip the meter into the test solution in the “measure mode”. F. Hold data 1. When the ph readings is stable, press “hold” key once to lock the reading. 2. Pr...

  • Page 9

    8 2. By pressing the “scroll” key, previous saved data will appear. 3. Press “store” key for 2 seconds to exit and return to “measure mode”. Ongoing maintenance a. Replace electrode 1. Unscrew the electrode collar to remove the electrode & atc assembly as shown in the right figure. 2. Remove the old...

  • Page 10

    9 error displays and troubleshooting ph lcd display atc display display mode possible cause(s) [action(s)] any value "over" measure a. Temperature over 0 to 99.9°c range. [bring solution to a lower/higher temperature.] [replace temperature probe.] b. No temperature sensor. [use a temperature probe.]...

  • Page 11

    10 specifications ph range resolution accuracy 0.00 to 14.00 ph 0.01 ph ±0.02 ph ± 1 lsd temperature range resolution accuracy 0.0 to 99.9 °c 0.1 °c ±0.3 °c 32.0 to 211.8 °f 0.2 °f ±0.6 °f ph ph buffer recognition ph 7.00, 4.01, 10.01 or ph 6.86, 4.00, 9.18 ph temperature compensation auto 0.0 to 99...

  • Page 12

    11 not been the result of abuse or misuse, within the warranty period, please return-freight-prepaid and the correction of the defect will be made free of charge. If you purchased the item from our jenco distributors and it is under warranty, please contact them to notify us of the situation. Jenco ...