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SC2-AT6 – UserManual
Specifications subject to change without notice. | Tox_D_1119, Ex_D_1119, CO2_D_0320 | USA 200413 | Page 10 of 17
6.2 Service and Calibration
When performing the maintenance you have to do the calibration and the functional test, see chapter 5, in addition to
the inspection.
A fixed calibration interval is stored for each sensor type.
SC2 Sensor heads:
If this interval is exceeded, a digital maintenance message is generated and forwarded. Performing the calibration
automatically deletes this message.
AT6 Sensor heads:
If this interval is exceeded, the current output of the AT6 goes to a fixed 19 mA signal. For new devices (factory
calibration), the interval may be exceeded by a factor of 1.5.
After voltage recovery, there is a defined interruption of this message. This can be of use in order to employ the
device without the maintenance message for a few days (adjustable in system parameters -> error time, value
range> 1) until the calibration is repeated.
Performing the calibration automatically deletes this message.
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