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FUNCTIONAL DESCRIPTION HI 931501
DUAL OUTPUT pH CONTROLLER
FRONT PANEL
ins
e
rum n
s
HI 931501
pH Process
Controller
DOSAGE
SLOPE
ACID SET
BASE SET
FINE
COARSE
COARSE
FINE
∆O
ACID
SET
BASE
SET
MEA
SURE
pH
Keypad
ACID SET To set the working point of acid
dosage
BASE SET To set the working point of basic
dosage
MEASURE To set HI 931501 on measure-
ment mode
Trimmers
∆∆
∆∆
∆O For Offset calibration
SLOPE For Slope calibration
ACID SET/COARSE To coarsely adjust the
acid set point