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8 Calibration
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The zero point that was determined by the instrument is shown.
✱
Accept the value with the
key or
use the
key to reject the value.
The instrument returns to the measurement mode.
8.3.2
2-point calibration
Requirements
- The supply voltage for the instrument must be present.
see Chapter 4 “Electrical connection”, page 12ff.
- A combination electrode must be connected to the transmitter.
- “REDOX” (ORP) must be configured for the sensor and “CUSTOMIZED” or
“%” for the UNIT in the basic settings.
- Calibration must be enabled,
see Chapter 6.9.1 “Administrator levels”, page 39.
- The transmitter is in the measurement mode.
✱
Immerse the combination electrode in a buffer solution with a known ORP.
✱
Start the calibration (by pressing the
key, or via the Administrator level).
PGM
EXIT
The ORP of the sample solution is not dependent on temperature!
CAL
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