Technical data

CHAPTER 6_______________________________________________________________ CALIBRATION
VAISALA _________________________________________________________________________ 57
• 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 &DOL in the main menu and then 5+; select 1RW FKDQJHG
and then two-point calibration 5+  SRLQW FDO. 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 10 minutes.
• If necessary, change the second point reading with the arrow keys
and press ENT.
Using LED 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!