Operation
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8.9 Adjusting the temperature sensor (ATC)
For physical reasons, there can be a temperature difference in the bath tank
between the temperature sensor and a defined, more remote point within the
bath fluid volume. As a result, the measured temperature deviates slightly from
the actual bath temperature. Adjustment of the temperature sensor can increase
accuracy of the temperature control application.
The bath tank is filled.
The unit is switched on.
1. Hang the calibrated thermometer in the bath tank and place the bath lid on
top.
2. Set the desired setpoint temperature and start the temperature control
application.
When the setpoint is reached, allow the temperature to stabilize for several
minutes.
The more stable the temperature in the bath tank, the more precise the
adjustment result.
3. Simultaneously press the Service key and [Down Arrow] keys until the
decimal point flashes.
4. Enter the read reference temperature and confirm with [OK].
The calibration value is applied directly. The display shows <CAL> for
confirmation.
The entered reference temperature must be within ±5°C of the setpoint
temperature, otherwise an error message appears and the entry is ignored.
The temperature sensor is adjusted.
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