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C HAPTER 6 ______________________________________________ CALIBRATION AND ADJUSTMENT
RH : 11.5 Ref1 ? 11.3 <cr>
Press any key when ready...
•
Place the sensor head in the calibration hole of the NaCl bottle
(wet end reference) in the humidity calibrator.
•
Wait for 30 minutes.
•
Press any key and enter the second point value and press <cr>.
RH : xx.x Ref2 ? yy.y <cr>
•
The stabilization of the sensor can be monitored here as well by entering c <cr> instead of the reference value.
Using display/keypad commands
•
Leave the calibrator and the transmitter for at least 4 hours in the same space so that their temperatures have time to equalize.
Remove the filter cap on the transmitter.
Disconnect the security lock jumper before turning the transmitter on!
•
Place the sensor head in the calibration hole of the LiCl bottle (dry end reference) in the humidity calibrator.
•
Select
Cali
in the main menu and then
RH
; select
Not changed and then two-point calibration
RH 2 point cal
. Change the first point reading with the arrow keys to correspond the reference humidity and press ENT; pressing an arrow once changes the reading by 0.05 %RH.
•
Place the sensor head in the calibration hole of the NaCl bottle
(wet end reference) in the humidity calibrator.
•
Wait for 30 minutes.
V AISALA _________________________________________________________________________ 57
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