Vaisala HMP230 User Manual
Page 67
HMP230 SERIES
M210225en-B
User's Guide
61
•
If you want to see how the sensor stabilizes to the reference
temperature, enter c
T : 0.90 Ref1 ? c
T : 0.55 Ref1 ? c
T : 0.55 Ref1 ? 0.0
Press any key when ready...
•
After giving the correct temperature value (Ref1) and pressing
press any key and press
7.2.1.2. With display/keypad commands
•
Leave the reference instrument and the transmitter for at least 4 hours
in the same space so that their temperatures have time to equalize.
Remove the filter cap prior to calibration.
Disconnect the security lock jumper!
•
Check the transmitter against the reference.
•
Select Cali in the main menu and then T cal; select one-point
calibration T 1 point cal.
•
Change the reading with the arrow keys to correspond to the reference
and press ENT.
7.2.1.3. With LED commands
•
Leave the reference instrument and the transmitter for at least 4 hours
in the same space so that their temperatures have time to equalize.
Remove the filter cap prior to calibration.
Disconnect the security lock jumper!
•
Check the transmitter against the reference.
•
Connect an ammeter/voltmeter to the analogue outputs (connector
X2). Give command ¡¡l¡. At the first calibration point the LED
on the left flashes; adjust the first point (offset) with the arrow
switches to the same reading with the reference and press ENT
switch.
•
After adjusting the offset point and pressing ENT the second LED
from left flashes. Press ENT without changing the output value.