6
pH CALIBRA
TION
5. pH CALIBRATION
1. Connect the simulator to the pH meter using the supplied
HI7858/1
cable.
2. Manually set the temperature compensation of the meter to 25 °C.
3. Turn on the simulator.
4. Press RANGE key to select pH mode.
5. Make sure that the two additional decimal points are not displayed.
If displayed, replace the battery before proceeding.
6. Turn the coarse or fine dial to set the value, and make sure that the
pH meter displays the correct result (e.g. 7.01 pH).
7. If the reading is not correct, adjust the meter until the correct
reading is displayed (see meter instruction manual).