Vaisala HMP230 User Manual
Page 64
HMP230 SERIES
User's Guide
M210225en-B
58
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Give command FCRH
>FCRH
RH : xx.x Ref1 ? yy.y
Press any key when ready...
•
The stabilization of the sensor to the reference humidity can be
monitored by giving c
RH : 11.9 Ref1 ? c
RH : 11.5 Ref1 ? c
RH : 11.5 Ref1 ? 11.3
Press any key when ready...
•
Insert the sensor head into a measurement hole of the NaCl chamber.
•
Wait at least 30 minutes.
•
Press any key and enter the second point value and press
RH : xx.x Ref2 ? yy.y
•
The stabilization of the sensor can be monitored by entering c
instead of the reference value.
7.1.3.2. With 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!
•
Insert the sensor head into a measurement hole of the LiCl chamber.
•
Wait at least 30 minutes.
•
Select Cali in the main menu and then RH cal; select Sensor
changed. Change the first point reading with the arrow keys and
press ENT.
•
Insert the sensor head into a measurement hole of the NaCl chamber.
•
Wait at least 30 minutes.
•
If necessary, change the second point reading with the arrow keys and
press ENT.
7.1.3.3. With 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!
•
Insert the sensor head into a measurement hole of the LiCl chamber.