
User's Guide _______________________________________________________________________
110 __________________________________________________________________ M210762EN-A
Two-Point Relative Humidity Adjustment
Using Display/Keypad
NOTE
Reference humidities must be ~0 %RH and 30 ... 75 %RH. A suitable
product for the two point RH calibration is for example the Vaisala
Humidity Calibrator HMK15.
1. Press the ADJ button (see Figure 2 on page 19) to open the
ADJUSTMENT MENU):
2. Select Adjust T
d
measurement, press button.
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3. Select 2-point RH adjustment, press START. At this point, the
device carries out the chemical purge.
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4. Remove the filter from the probe and insert the probe head in
the dry end reference condition (~0 %RH). Press OK.
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5. Wait at least 30 minutes for the sensor to stabilize. Follow the
stabilization from the GRAPH display. Press EXIT to return to
the previous display.
6. Press READY when stabilized. Enter the reference value by
using the arrow keys.
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