Vaisala PTU300 - Manual (Page 148)

User's Guide _______________________________________________________________________
146 __________________________________________________________________ M210796EN-G
Setting Humidity Sensor Heating using
Display/Keypad
When the PTU300 leaves the factory the sensor heating follows the
factory default values. You can enable/disable the function, change the
RH-limit and define the heating temperature and duration of this
function.
1. Open the Main Menu by pressing any of the arrow buttons.
2. Select Measuring, press the right arrow button .
3. Select Sensor heating, press the ON key .
Using Serial Line
XHEAT
Enables/disables the sensor heating.
XHEAT [xx]
where:
xx = ON / OFF
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 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)
Example:
>xheat
Extra heat : OFF
Extra heat RH : 95 ? 90
Extra heat temp: 100 ? 85
Extra heat time: 30 ? 10
>xheat on
Extra heat : ON
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