9. Give the CT command, with the temperature value of the reference as a parameter.
ct 23.5
OK
10. Check with the L command that the user adjustment parameters have changed.
If you wish to remove the eects of T calibration (returning the T measurement of the
probe to the factory calibrated state).
More information
‣
Clear adjustment of T measurement (page 48)
7.4 Adjustment procedure using MI70 indicator
(HMP110 and HMP113)
The probe cannot be used with the MI70 handheld indicator when the probe is in
analog mode. To use the probe with MI70, enable a serial mode (for example,
STOP) in Vaisala Insight software. Use Insight also to return the probe to analog
mode. See Vaisala Insight software (page 31).
For more information on the MI70 indicator and the HM70 meter, see the HM70
Handheld Humidity and Temperature Meter User Guide (M210297EN).
7.4.1 1-point adjustment of RH measurement using MI70
indicator (HMP110 and HMP113)
If you want to perform a 2-point adjustment instead of a 1-point adjustment, use
Vaisala Insight software or the serial line. See Vaisala Insight software (page 31)
and 2-point adjustment of RH measurement (HMP110 and HMP113) (page 58).
To perform a 1-point adjustment to the capacitance measurement of the HMP110 or HMP113
using the MI70 indicator, you need:
• MI70 indicator
• Connection cable for MI70 indicator (Vaisala item code 219980)
• One humidity reference. 1-point adjustment with a single < 50 %RH reference will adjust
the oset parameter of the measurement. 1-point adjustment with a single > 50 %RH
reference will adjust the gain parameter of the measurement.
The following procedure uses the HMK15 Humidity Calibrator. LiCl salt (11 %RH) is used as the
reference point.
Chapter 7 – Maintenance
61
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