A. Replace the Batteries ..........2 B. Soak the Electrode ... 2 C. Setup and Calibrate the Electrode and Meter VISIONPLUS pH 618N OVERVIEW......3 ..........3 A. Meter Description ........ 3 B. VisionPlus Graphical Display OPERATION MODES AND KEYPAD OPERATIONS 4 ...........
2. Soak the electrode in a 3M KCL solution for 2 hours before first use or after storage. C. Setup and Calibrate the Electrode and Meter VisionPlus pH 618N must be setup and calibrated before your first use. Please follow the instructions detailed in section USING VISIONPLUS pH...
VISIONPLUS pH 618N 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.
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.
Selects new buffer 0 second Select set. USING VISIONPLUS pH 618N A. Power ON/OFF Press “HOLD” key for 2 seconds or more. The unit will turn on and enter the “Measure Mode”. Repeat the process to turn off the unit. The unit will also automatically turn off after 10 minutes of no key activity.
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: 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 When the pH readings is stable, press “HOLD”...
4. Press “CAL” key for 2-3 seconds to erase ALL stored data 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.
ERROR DISPLAYS AND TROUBLESHOOTING pH LCD DISPLAY Possible cause(s) Display Disp Mode [Action(s)] a. Temperature over 0 to 99.9°C range. [Bring solution to a lower/higher temperature.] Measure "OVER" [Replace temperature Value probe.] b. No temperature sensor. [Use a temperature probe.] pH value over 0.00 0.0~ to14.00pH range .
Weight 107 g WARRANTY Jenco Instruments, Ltd. warrants this product to be free from significant deviations in material and workmanship for a period of 1 year for the meter and 6 months for the electrode from date of purchase. If repair or adjustment is necessary and has...
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If you purchased the item from our Jenco distributors and it is under warranty, please contact them to notify us of the situation.