56926BA2, Rev. 02, 04/2019
8 Maintenance and Repair
8.1 Safety Instructions
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Danger to life by explosion
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If the detector is located in a potentially explosive atmosphere, it is essential
to observe the corresponding instructions and safety instructions in the
Safety Manual / Explosion Protection Manual.
The applicable national regulations of the respective country of use have
to be observed!
Maintenance work on the detectors may only be performed by qualified per-
sonnel. For detectors that will be used in explosion hazardous areas, repairs
should only be performed by the service of Berthold Technologies GmbH & Co.
KG. Improper repairs may lead to the loss of explosion protection.
Repairs to electronic circuits on the boards of a DuoSeries detector may only be
performed by the manufacturer.
The relevant safety regulations should be observed when working on electrical
components. Particularly observe the safety instructions in the chapter of 2 this
operating manual. Disconnect the detector from the power supply.
To achieve optimum measuring accuracy, we recommend recalibrating the
measuring system after a repair (not after changing the housing).
For devices that are NOT used in hazardous areas, the following parts may be re-
placed at your own risk and loss of any currently existing warranty against Berthold
Technologies GmbH & Co. KG:
• the complete electronics system of the detector
• the scintillator
• the multiplier (photomultiplier)
• the multiplier/scintillator combination
• the detector housing
BERTHOLD recommends that detectors are only repaired by the Service of Berthold
Technologies GmbH & Co. KG or by persons authorised to do so by Berthold Tech-
nologies GmbH & Co. KG.
Only original spare parts from BERTHOLD may be used.
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