Vaisala HUMICAP HMP155 Guia do Utilizador descarregar pdf (Página 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.

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Vaisala HUMICAP HMP155 Guia do Utilizador Página 51