User Guide

10
4.3 Relative mV Calibration
1. From the ORP MEAS mode, press CAL key.
CAL indicator appears at top of LCD. Primary
display shows relative mV reading and
secondary display shows absolute mV value.
NOTE: If you have never calibrated relative mV
or if the transmitter has been reset, the value
shown in the primary display is the same as the
absolute mV value.
2. Press
▲ or ▼ keys to enter the relative mV value
that matches your desired reading (only the
readings in the primary display changes).
3. Press ENTER key to confirm. Transmitter will
now display the offset in the readings.
4. Press ENTER key to return to MEAS mode.
4.4 Temperature Calibration
Only available in the pH mode and ATC probe is available.
Calibrate temperature probe only if temperature value displayed on transmitter is
different from that of a calibrated thermometer. Temperature readings are only
displayed
Please refer to section 6.3.1 for further information.
CAL
HOLD
READY
R.mV
CAL
HOLD
READY
CAL
HOLD
READY
R.mV
R.mV