Owner's manual

Table Of Contents

User's Guide _______________________________________________________________________

152 __________________________________________________________________ M210762EN-G

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 23) to open the

ADJUSTMENT MENU:

2. Select Adjust T

measurement, press ► button.

3. Select 2-point RH adjustment, press START. At this point, the

device carries out the chemical purge.

4. Remove the filter from the probe and insert the probe in the dry end

reference condition (~0 %RH). Press OK.

0706-018A

Figure 73 Inserting the Sensor in Reference Humidity 1

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.

0706-019B

Figure 74 Waiting for Readings to Stabilize

Now proceed to the adjustment at the wet end reference condition

(30 ... 75 %RH) and carry out the procedure as described in the

previous items.