Vaisala HMP42 - Manual (Page 27)

HMI41 AND HMP42
M210317EN-A Operating Manual
23
set Lo
T
°C
Press ENTER and the HMI41 shows the value that the probe is currently
measuring, displaying a message similar to the following:
Lo
T
°C
Wait at least ten minutes for the reading to stabilize and press ENTER to
acknowledge the value. Press ENTER again to conclude the lower point
calibration. A message similar to the following appears with the first line
blinking:
set Hi
T °C
The blinking number indicates the value of the higher temperature reference
stored in the HMI41 memory. Insert the probe to the higher reference
temperature. Check the reference temperature and change the display with
buttons ▲ and ▼ to correspond to the accurate value, for example:
set Hi
T °C
Press ENTER and the HMI41 shows the value that the probe is currently
measuring, displaying a message similar to the following:
Hi
T °C
Wait at least ten minutes for the reading to stabilize and press ENTER to
acknowledge the value. Press ENTER again to conclude the calibration. If the
calibration has been successful, the following message appears: