Functional Description Hi 8720 - Hanna Instruments HI 8510 Series Instruction Manual

FUNCTIONAL DESCRIPTION HI 8720

Keypad
SET
MEASURE To set HI 8720 on measurement
∆ ∆ ∆ ∆ ∆ Al
0 mV TEST To verify the instrument calibra-
500 mV TEST To verify the slope at point
ORP CONTROLLER
FRONT PANEL
HI 8720E
ORP
mV
DOSAGE
OXID. REDUC.
MEA
SET
SURE
∆AL
500 mV
0 mV
TEST
TEST
To set the working point of ORP
dosage
mode and to enable the diag-
nostic tests
To display and to set the toler-
ance of the alarm points
tion at point 0
500 mV
20
SLOPE
∆AL
COARSE
SET
FINE