Chapter 6 ______________________________________________________________Maintenance
VAISALA______________________________________________________________________ 183
4. The Factor parameter has sensor-dependent use. It affects the gain
of the measurement or the sensitivity of the radiation sensor. To
calibrate radiation, enter the sensor-dependent sensitivity factor
[V/Wm
-2
], which is given in the type sticker or the calibration sheet
of the particular sensor.
5. Calibrate the sensor by selecting Calibrate.
NOTE
New sensor calibration values are taken into use in the QML logger after
a reset with, for example, the Reset command. For further information on
resetting the QML logger, see section Resetting the QML Logger on
page 162.
Soil Temperature Sensor QMT110
Visual Checking
Check the connectors yearly. Check that the visible cable on the ground
is in good shape.
The QMT110 sensor does not need any regular maintenance. Field
repairs are accomplished by replacing the complete sensor. When the
QMT110 sensor is extracted, clean the dirt accumulation on the sensor
surface with a soft cloth or sponge using water and mild detergent. Field
repairs are accomplished by replacing the complete sensor.
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