© PCE Instruments
4
4.2
Keys
Key
Function
MEAS / Hold
- Switches the meter ON/OFF
- Freezes the reading. Press the key again to continue
measurement.
- Ends the calibration or adjustment and returns to measuring
mode
CAL
- Press the key to start the calibration.
- Press and hold the key to open the setup menu.
- In setting mode, press the key to select the default option.
Enter
Confirms the entries
5
Measurement preparation
5.1
Insert batteries
1
2
3
1.
Unscrew the union nut of the electrode and pull the electrode off the measuring device,
observing correct axial alignment.
2.
Insert two AAA batteries into the battery compartment. Observe correct polarity.
3.
Align the guide groove with the electrode and carefully push the electrode into the
meter. Screw the union nut of the electrode tight.
5.2
Preparation of the buffer solution
Prepare 3 sealable containers with at least 250 ml content. Open the bags with the buffer powder
and put the contents of one bag into each container. Fill each container with 250 ml of distilled
water and stir the liquid until the powder has completely dissolved.
5.3
Electrode control
Remove the protective cap from the electrode and check for damage.
Damaged electrodes must be replaced.
Rinse off any salt crystals that may have settled from the storage solution under running water.
The salt crystals develop naturally and are not a deficiency.
If the electrode has become dry, place it in a 3M KCL solution for at least 15 minutes. (storage
solution for pH electrodes).
