Vaisala Calibration of Series HMDW6070 and HMP140 Transmitter with HMI41 - Manual (Page 27)

HMI41 Calibration Option
Appendix 1
19116ZZ-U218en-1.1
6 1996-08-26
2.5 Calibration
DISPLAY WHAT TO DO PRESS:
RH
T
Wait for about 5 seconds.
RH %
Let the readings stabilize and then adjust
the transmitter potentiometers until the
readings are the same. Alternatively, you
can calibrate the transmitter in the second
RH calibration mode (see below). HOLD to enter the second RH
calibration mode
MODE to enter the first T
calibration mode
ON/OFF if you have
completed the calibration
RH %
Let the readings stabilize and then adjust
the transmitter potentiometers until the
reading on the first line is at zero HOLD to return to the first
RH calibration mode
MODE to enter the second T
calibration mode
ON/OFF if you have
completed the calibration
T
T °C
°C
Let the readings stabilize and then adjust
the transmitter offset potentiometer until
the readings are the same. Alternatively,
you can calibrate the transmitter in the
second T calibration mode (see below). HOLD to enter the second T
calibration mode
MODE to return to the first
RH calibration mode
ON/OFF if you have
completed the calibration
T
T °C
°C
Let the readings stabilize and then adjust
the transmitter offset potentiometer until
the reading on the first line is at zero. HOLD to return to the first T
calibration mode
MODE to return to the second
RH calibration mode
ON/OFF if you have
completed the calibration