Yamatake Corporation
Maintenance and Troubleshooting
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
7-15
7-4-1-2 Calibrating Low Limit
How to calibrate the low limit value:
It is assumed that the SFC and the transmitter have just started normal communica-
tions.
Example: Low limit value of set range: 20 kPa
Step
Description
SFC screen
1
Apply pressure so that the
manometer of the standard pres-
sure generator indicates 20 kPa.
2
Press the
key.
• The low-limit value currently
stored in the transmitter is dis-
played. It is assumed that the
value is 20 kPa.
3
Press the
key.
4
Press the
key.
Press the
key.
• The low-limit value has been
calibrated to the current input
pressure to the transmitter.
• The low-limit value currently
stored in the transmitter can be
confirmed.
DSTJ TAG NO.
LIN DP FIT-1234
LRV E
0%
LRV FIT-1234
20.00 kPa
COR- K
RECT
RESET
LRV FIT-1234
CORRECT LRV?
ENTER
( Yes )
NON-VOL
ENTER
( Yes )
NON-VOL
LRV FIT-1234
ARE YOU SURE?
LRV FIT-1234
WORKING...
LRV FIT-1234
LRV CORRECTED
LRV FIT-1234
20.00 kPa