12
Entering a Calibration Offset
This menu item allows you to offset all bath temperature readings by -7
to +7ºC. For example, if the Calibration Offset is set to +0.5º the bath will
display temperature readings of 20ºC, 50ºC and 70ºC as 20.5ºC, 50.5ºC
and 70.5ºC, respectively.
The Calibration Offset is always set in ºC. If you have selected ºF as
the temperature unit, the Water Bath automatically converts the ºC
calibration offset value to the correct ºF value when normal operation is
resumed.
To prevent the Calibration Offset from being changed unintentionally,
the following power down/power up sequence is required to enable the
Calibration Offset function:
NOTE: If the operator tries to enter a Calibration Offset
without following the proper power down/power up sequence,
the words CALIBRATION OFFSET on the LCD will ash.
1. Place the Mains Switch on the rear of the unit in the Off position.
2. Press and hold while returning the Mains Switch to the On
position.
3. When the unit enters Standby (the three decimal points in the upper
display lit), release .
4. Press .
5. Press until the words CALIBRATION OFFSET light on the LCD.
The actual bath temperature will be displayed in degrees C on
the upper readout and the current Calibration Offset value will be
displayed in degrees C on the lower readout.
6. Use the and buttons to set the Calibration Offset to the desired
value. As the Calibration Offset value is entered, the reading on the
upper display will also change to reect the new calibration offset
value.
7. Press or allow the display to timeout (~10 seconds) to accept the
displayed Calibration value. The words CALIBRATION OFFSET will
no longer be lit.
The Calibration Offset function will remain enabled until the unit is turned
Off by pressing .
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