Utlty Setting; Zero Pressure Calibration - Hitachi CHROMASTER 5160 Instruction Manual

3.2 UTLTY Setting

3.2.1 Zero Pressure Calibration

The zero pressure point may change a little due to a secular
change of the pressure sensor. Please check the zero
pressure point once a month (Stop the pump, and then open the
drain valve). Refer to the following operation for calibration.
Monitor screen
SET UP
UTLTY
UTLITY (CONDITION=1, UNIT=2,
1 EVENT=4, LINK=5, P.WASH=6, OTHERS=7)
Select CONDITION
1 ENT
CONDITION SET
1 PURGE=3,
Select Z-ADJ (ZERO ADJUST)
1 ENT
PRESSURE ZERO ADJUT
1 (NOTE: OPEN DRAIN VLAVE)
Select YES
1 ENT
Monitor screen
PRESS is displayed as 0, and the zero pressure calibration is
completed.
3 - 18
FLUSH=3
(Z-ADJ=1, MOTOR-CTRL=2
CALIBRATION=4,
(YES=1, NO=0)
LPGR=5)