40
40
If disabled, “EXPIRATION WARNING DISABLED” is displayed.
Or if enabled the number of days until the calibration alarm “CAL
DUE” will be displayed. (i.e. “CAL EXPIRES IN 2 DAYS”)
The number of days since the calibration expired. (i.e. “CAL EXPIRED
2 DAYS AGO”).
The probe serial number together with the current reading.
RELATIVE mV MEASUREMENT
OPERATIONAL GUIDE
When an ORP electrode is connected, the instrument will recognize it
and the probe code will be displayed along with “ORP”. Press any key
to skip the message. The instrument will enter in measurement mode.
Rinse the sensor with water and a sample if possible. Submerse the
electrode tip approximately 3 cm (1¼”) into the sample to be tested
and stir sample gently. Allow time for the electrode to stabilize.
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