USER MANUAL NOVAplus
MRU GmbH, D-74172 Neckarsulm 78 / 95
10 Maintenance and care
10.1. Cleaning
The analyzer requires very little maintenance to maintain its value over a
long period
• occasionally: cleaning the probe and the probe hose.
• after each measurement: Pull off the gas sampling hose on the
analyzer, so that the hose can dry.
•If not used for a longer period of time, charge the battery first.
10.2. Maintenance
An annual service check and if necessary, adjustment of the sensors at
an MRU service department (www.mru.eu) are recommended for the
preservation of value.
With optional gas detector: In the case of a use to the pure leakage de-
tection (maximum value search) a function check of the equipment is
enough e.g. over an impact from a search gas bottle. A long-term con-
tinuous detector accuracy is guaranteed however only by an annually
repeated calibration of the equipment.
Please note that correct operation of the analyzer is
only ensured if the sensors are adjusted regularly.
► Depending on the intensity of use, the sensors have
to be adjusted / calibrated 1-2 times a year.
10.3. Service messages
A check of the analyzer at our Service Department is necessary:
after 1000 working hours or if it has been more than 11 months since
the last check.
When next powered on, you will be reminded to the execution of the
annual customer service.
A complete service at an MRU service station (for MRU services station
please see: www.mru.eu)
contains the function control and calibration and/or cleaning of the fol-
lowing components:
Sensors, pumps, internal/external hose lines, battery, draft sensor, elec-
tronics, time and date, temperature sensors, gas sampling probes, con-
densate separator
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