Preparing the pH Buffer Solutions
Bante920 benchtop pH meter is packaged with three pH buffer packets required for calibration.
●Open the pH7.00 buffer packet, place the powder into a 250ml volumetric flask. Pour distilled water 250ml to scale line, mix the solution until
reagent is completely dissolved.
●Preparation of pH4.01 and 10.01 standard buffer solutions are the same as above.
●Prepared standard buffer solutions should be stored in hermetically sealed glass containers.
Prior to Use
Remove the protective cap from the bottom of the electrode.
FOR THE pH ELECTRODE:
If the glass sensitive membrane on the electrode dries out, soak the sensor in 3M KCL solution or tap water for at least 15 minutes. DO NOT use distilled or
deionized water, it will shorten the life of sensor.
FOR THE ORP ELECTRODE:
Soak the electrode in 4M KCL solution or tap water for at least 15 minutes.
Power On/Off
●Press MEAS key to turn on the meter, the display shows measured values, mode indicators and help messages.
●Press and hold the MEAS key for 3 seconds, the meter will turn off.
●If you do not press any key within the specified time period, the meter will turn off automatically.
To disable the auto-off function, please read the SETUP MENU section.
