Witeg Wisd WIR Series, Operating Manual

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witeg Labortechnik GmbH, WIR Low temperature Incubator
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6.2 Set turn-off delay
The turn-off delay timer serves as automatically stop function. It turns off the heating or cooling
after elapsing of the timeframe you set.
 First menu item after switching the device on is the menu “set turn-off delay”. The timer
lamp is blinking.

The delay time is adjustable from one minute till over 99 hours (00:01 - 99:59) in one
minute steps.
 “00:00” stands for endurance run.

Turn the Jog-Dial to choose your desired value and probate it by pushing the
Jog-Dial. The delay time starts to run by probating the value.

If you want to change the confirmed value, you have to push the Jog-Dial once again.
6.3 Set turn-on delay
The turn-on delay timer serves as automatically start function. It turns on the heating or cooling
and turn-off delay timer after the timeframe you set is elapsed.

To reach this sub menu item you have to push the SUB button in the
menu “set turn-off
delay”

The delay time is adjustable from one minute till over 99 hours (00:01 - 99:59) in one
minute steps.

Turn the Jog-Dial to choose your desired value and probate it by pushing the
Jog-Dial. The delay time starts to run by probating the value.

If you want to change the confirmed value, you have to push the Jog-Dial once again.

Turn the Dial knob clockwise to increase the time and counter-clockwise to reduce it.

You only reach this menu item if there is no turn-off delay time running.
6.4 Set temperature

To reach this menu item you have to push the MAIN button in the
menu “set turn-off delay”

The temperature is adjustable from 0 °C to 60 °C.

Turn the Jog-Dial to choose your desired value and probate it by pushing the
Jog-Dial. The delay time starts to run by probating the value.

If you want to change the confirmed value, you have to push the Jog-Dial once again.

Turn the Dial knob clockwise to increase the temperature and counter-clockwise to reduce
it.
6.5 Set Offset
If the temperature measured by you differs from the temperature the device is showing (PV) you
have the possibility to compensate the divergence by the Offset. So you can balance
differences of about ±10 °C.
The Offset is calculated as follows:
Temperature measured by you
– showed temperature (PV) = Offset

To reach this menu you have to use the SUB button
in the menu item “set temperature”.

Set the calculated value by turning the Jog-Dial. The Offset will be added to the PV
immediately.

Save the offset by holding the Jog-Dial pushed until the values in PV and SV line starts
blinking.

Push the MAIN button to leave the justification menu.