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