Orp Calibration - Hanna Instruments HI 8510 Instruction Manual

ORP CALIBRATION

Make sure you are in the mea-
surement mode (MEASURE
LED light is on) and not in the
set mode before proceeding with
the calibration (not for HI 8512).
Immerse the electrode in
HI 7020 ORP solution.
Adjust the slope trimmer until an ORP value
of between 200 mV and 250 mV is displayed.
DOSAGE SLOPE
OXID. REDUC.
MEA
SET
SURE
COARSE
SET
FINE
The calibration is now complete and the in-
strument is ready for use.
42
MEA
SURE
COARSE
SET
FINE
HI 7020
mV