OHAUS STDO21 Instrucciones Generales página 6

STDO21 electrode EN-3
Then meter goes to parameter input setting
like following, input the parameter of this
probe cap:
7. Calibration: Do 1 point or 2 points
calibration before any usage.
Storage
Rinse or clean the electrode after each use.
Then keep it in a moisture and clean
environment. Make sure the sponge in the
protection cover is moisture.
Precautions and Limitations
1. Do not expose the shaft to organic
solvents, when cleaning or when taking
measurements.