Vaisala HMP155 - Manual (Page 51)

Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 49
XHEAT
Enables or disables the sensor heating.
Example:
>xheat on
Extra heat : ON
>xheat off
Extra heat : OFF
>
To configure the sensor heating, use the XHEAT command without
parameters. Enter the values after the question mark. The available
ranges include the following:
Extra heat RH -limit (heating
function starts-up above the
setpoint) 0 ... 100 %RH (default: 95 %RH)
Extra heating temperature 0 ... 200 ºC (default: 100 ºC)
Extra heating time 0 ... 255 s (default: 30 s)
To see the current values, use the XHEAT * command.
Example :
>xheat *
Extra heat : OFF
RH limit : 95 %RH
Temperature : 100 'C
Duration : 30 s
>
NOTE After the defined XHEAT duration, there is an additional cooling time of
10 seconds before outputs are updated.