Vaisala Calibration of Series HMDW6070 and HMP140 Transmitter with HMI41 - Manual (Page 14)

HMI41 Calibration Option
Operating Manual
19116ZZ-U218en-1.1
10 1996-08-29
set Hi
T
Numbers on the first line start to blink. They indicate the upper limit of the
transmitter’s voltage range currently stored in the HMI41 memory. Text in the
lower righthand corner is Hi. You can now set the upper limit with buttons ▲
or ▼ to correspond to that of the transmitter. Acknowledge the setting with
ENTER. A text similar to the following is displayed:
set Lo
T
T °C
°C
Numbers on the second line are blinking. They indicate the lower limit of the
transmitter’s temperature range currently stored in the HMI41 memory. Text
in the lower righthand corner is Lo. You can now set the lower limit to
correspond to that of the transmitter. Set the limit with buttons ▲ or ▼ and
acknowledge the setting with ENTER:
set Hi
T
T °C
°C
Numbers on the first line start to blink. They indicate the upper limit of the
transmitter’s temperature range currently stored in the HMI41 memory. Text
in the lower righthand corner is Hi. You can now set the upper limit to
correspond to that of the transmitter. Set the limit with buttons ▲ or ▼ and
acknowledge the setting with ENTER. Turn the HMI41 off with the ON/OFF
button. You can now calibrate the transmitter (see Chapter 3).
2.3.4 Customized current output selection mode (cI)
The customized current output selection mode (cI) is selected when the scaling
of the RH, T and/or current range is not a standard one.
NOTE
When calibrating transmitters with current outputs,
make sure that the output loop is terminated.