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JENCO VisionPlus pH6810 Operation Manual

Manual is about: Hand-held pH/mV/Temperature Meter

Summary of VisionPlus pH6810

  • Page 1

    Operation manual hand-held ph/mv/temperature meter ph6810

  • Page 2: Contents

    1 contents general introduction………………....................2 initial inspection……...………………....................2 water proof…….……...………………....................2 installing the batteries..…………....................3 display & keys functions…..……………...…………4 a. Display ..........................................

  • Page 3

    2 general introduction thank you for selecting the ph6810 meter. The ph6810 is a precision tool that measure ph, mv and temperature. A built-in microprocessor stores, calculates and compensates for all parameters related to ph determinations including ph electrode temperature characteristics, electr...

  • Page 4

    3 follow these steps immediately if the unit is immersed in any solution: 1. Rinse unit carefully with distilled water. After rinsing and drying, inspect and clean connectors to remove all contaminants that may affect probe connections. 2. Wait for the unit and probe to dry completely before resumin...

  • Page 5

    4 display & keys functions a. Display 6.86 4.00 9.18 7.00 4.01 10.01 wait hold ph mv % atc stand slope auto man °c bat eff figure 2: active lcd screen 1. Wait- this will be displayed when the unit is still waiting for a stable reading or end point sensing. 6. Hold- this will indicate that the readin...

  • Page 6

    5 b. Keys on/off- powers on and shuts off the meter. M ode mode- selects display mode. Pressing this key changes the display sequentially to display ph-autolock, mv-autolock, ph and mv. The calibration values will not be affected by changing the display modes. In “ph calibration”, press “mode” key t...

  • Page 7

    6 operational procedures a. Buffer set selection the ph6810 meter has two buffer sets: 7.00, 4.01, 10.01ph and 6.86, 4.00, 9.18ph. The meter is factory pre-set at 7.00, 4.01 and 10.01ph. To change the buffer set, turn off the unit, then press and hold the “stand” key while turning on the unit again....

  • Page 8

    7 5. Rinse the ph and atc/temp probe in distilled water and immerse them in the third buffer solution (either 9.18/10.01 or 4.00/4.01). Allow temperature reading to stabilize, then press “slope” key to calibrate. The “wait” icon will flash until the unit detects a stable reading. Once the unit calib...

  • Page 9

    8 mode. Three points calibration is complete. 6. The unit calculates and compensates for the ph electrode slope deviation corresponding to the values of the three calibration buffers. After calibration, press and hold “mea./eff.” key for about 5 seconds to display the new electrode efficiency. C. Ca...

  • Page 10

    9 d. Calibration with manual temperature compensation in the ph non-autolock mode. 1. Turn the unit on. Press “clear” key for 2 seconds, all lcd elements will lit up. The meter clears all calibration values stored in internal memory. 2. Connect the ph electrode to the bnc connector of the unit, “man...

  • Page 11

    10 c. Ph measurements to take ph measurements, “stand” and “slope” icon must be on, indicating the unit is either dual-point or three-point calibrated and ready for measurements. If “stand” and “slope” flash, perform a ph calibration before taking measurements. A. Measurement with an atc/temp probe ...

  • Page 12

    11 4. Press the “mea.” key. The “wait” icon will start flashing. The unit is waiting for a stable reading. The display will track the ph value as sensed by the ph electrode probe. 5. When the “wait” icon disappears, the reading is then “hold” and will not respond to further changes from sample. The ...

  • Page 13

    12 d. Temperature measure the ph6810 can measure temperature independently with the atc/temp probe without using the ph electrode. Place the atc/temp probe in the sample. The unit will display the measured temperature. E. Mv measurements a. Measurement in the mv-autolock mode. 1. Connect the optiona...

  • Page 14

    13 ph buffers the temperature coefficient of ph calibration buffers 4.01, 6.86, 7.00,9.18 and 10.01 are stored inside the instrument. The buffers used to calibrate the instrument must exhibit the same temperature characteristics as the stored values. Temperature coefficient of the ph buffers ℃ 4.00 ...

  • Page 15

    14 error displays and troubleshooting [note: if the meter still does not perform normally after the above measures are taken, call jenco service department.] main display possible cause(s) corrective action(s) "er1" 1. “stand” was pressed before the electrode and atc/temp probe settled to within +/-...

  • Page 16

    15 specifications display range resolution accuracy ph -2.00 to 16.00 ph 0.01 ph ±0.1%fs ± 2 digits mv -1999 to 1999 mv 1 mv ±0.1%fs ± 2 digits temperature -10.0 to 120.0 °c 0.1 °c ±0.5°c ph buffer recognition ph 7.00, 4.01, 10.01 or ph 6.86, 4.00, 9.18 ph temperature compensation auto/man –10.0°c t...

  • Page 17

    16 warranty jenco warrants this product to be free from significant deviations in material and workmanship for a period of 1 year from date of purchase. If repair or adjustment is necessary and has not been the result of abuse or misuse, within the year period, please return-freight-prepaid and the ...