Vaisala HMK15 - Manual (Page 31)

Chapter 4 ________________ Instructions for the Calibration of Humidity Instruments
VAISALA _________________________________________________________ 29
In the following example, the transportation temperature of
the calibrator (without the LiCl) is +5 °C; the calibrator is
then transferred into room temperature. After this, an
HMP233 probe that has been stored at room temperature, is
inserted into a suitable hole of the NaCl salt chamber. The
figure shows that after 40 minutes, the reading differs
1.4 %RH from the final reading.
0606-177
Figure 13 An example of the RH and T stabilization
when the transportation and calibration site
temperatures are different