Vaisala HUMICAP HMT330 SERIES Uživatelská příručka stáhnout pdf (Strana 140)

User's Guide ______________________________________________________________________

140 _________________________________________________________________ M210566EN-H

Using Display/Keypad

Note that the difference between the two humidity references must be at

least 50% RH.

1. Carry out the chemical purge (if available).

2. Press the ADJ button (opens the ADJUSTMENT MENU).

3. Select Adjust RH measurement, press ► button.

4. Select 1-point/ 2-point adjustment, press. Press START.

5. Select the reference as guided by the display, press SELECT.

0706-005

Figure 72 Selecting Point 1 Reference Type

6. Remove the filter from the probe and insert the probe into a

measurement hole of the dry end reference chamber (for example,

LiCl: 11 % RH in the humidity calibrator HMK15.) Use the adapter

fitting for the probes of HMT334, HMT335, HMT337 and

HMT338.

7. Wait at least 30 minutes for the sensor to stabilize. Follow the

stabilization from the GRAPH display.

8. Press READY when stabilized. If you have chosen the Other

reference value, enter now the reference value by using the arrow

buttons.

When carrying out the 2-point adjustment proceed to the next

adjustment point and carry out the procedure as described in the

previous items.

9. Answer YES to confirm the adjustment. Press OK to return to the

adjustment menu.

10. Press EXIT to close the adjustment mode and return to the basic

display. Before closing the adjustment mode, feed the adjustment

information into the device, see section Feeding Adjustment

Information on page 146.

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Vaisala HUMICAP HMT330 SERIES Uživatelská příručka Strana 140