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6
Maintenance and Service
MOP301 does not require any special maintenance, nevertheless for high accurate measurements
especially over wide aw and T ranges it is recommended to calibrate the probe every 12 months. If
needed, the enclosure may be cleaned and the device may be re-adjusted as described below.
6.1
Cleaning
If required, the sensing head can be cleaned. Please find the E+E cleaning instructions at
com/cleaning-instructions.
6.2
Repairs
Repairs may be carried out by the manufacturer only. The attempt of unauthorized repair excludes any
warranty claims.
6.3
Moisture and Temperature Adjustment and Calibration
Depending on the application and the requirements of certain industries, there might arise the need
for periodical calibration (comparison with a reference) or adjustment (bringing the device in line with a
reference).
The MOP301 can be calibrated / adjusted with the help of the PCS10. For this purpose, the probe needs to
be connected to a PC via a Modbus configuration adapter.
Definitions
Calibration documents the accuracy of a measurement device. The device under test (specimen) is
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compared with the reference and the deviations are documented in a calibration certificate. During the
calibration, the specimen is not changed or improved in any way.
Adjustment improves the measurement accuracy of a device. The specimen is compared with the
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reference and brought in line with it. An adjustment can be followed by a calibration which documents
the accuracy of the adjusted specimen.
Calibration and adjustment at E+E Elektronik
Calibration and/or adjustment can be performed in the E+E Elektronik calibration laboratory. For
information on the E+E capabilities in ISO or accredited calibration please see www.eplusecal.com.
Calibration and adjustment by the user
Moisture calibration and adjustment is to be carried out for the measurand "relative humidity" and shall be
performed in air.
Depending on the level of accuracy required, the humidity reference can be:
Humidity calibrator (e.g. Humor 20), please see www.epluse.com/humor20.
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Handheld device (e.g. Oilport 30), please see www.epluse.com/oilport30.
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Humidity standards (e.g. Humidity Calibration Kit), please see www.epluse.com/mop301.
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6.4
Spare Parts
Description
Stainless steel filter cap for flow < 1 m/s
Stainless steel filter cap for flow > 1 m/s
User Manual MOP301 Digital Moisture in Oil Immersion Probe
www.epluse.
Order code
HA010110
HA010111
17
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