User's Guide ______________________________________________________________________
24 _______________________________________________________________ M210701EN-A
Relative Humidity Adjustment
Using the Push-Buttons
ADJ
11%
75%
0505-182
Figure 14
Adjustment Buttons
A simple push-button adjustment is carried out using two relative
humidity references: 11.3 % RH (LiCl) and 75.5 % RH (NaCl).
To carry out the adjustment, follow the instructions below:
1.
Remove the probe cover and the filter.
2.
Open the transmitter cover.
3.
Start the adjustment by pressing the
ADJ
button (on the
transmitter electronics motherboard). An indicator led lights up.
4.
Insert the probe into the measurement hole of the LiCl salt
chamber. The indicator led blinks evenly.
5.
Wait for 30 minutes or until the indicator led stops blinking and
lits continuously. This means that the measurement has
stabilized.
6.
Press the
LiCl 11 %
button to adjust the 11 % condition.
7.
Insert the probe into the measurement hole of the NaCl salt
chamber. The indicator led starts to blink evenly.
8.
Wait for 30 minutes or until the indicator led stops blinking and
lits continuously. This means that the measurement is stabilized
9.
Press the
NaCl 75 %
button to adjust the 75 % condition.
10.
Now the transmitter returns to normal operation mode and the
indicator led is unlit.
11.
Replace the filter and the probe cover.
