DMTA-10043-01EN, Rev. C, July 2016
Maintenance and Troubleshooting
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11. Maintenance and Troubleshooting
This chapter describes how to maintain your 27MG instrument by carrying out
routine care and maintenance.
11.1 Routine Care and Maintenance
The 27MG case is sealed to prevent intrusion of environmental liquids and dust.
However, it is not completely waterproof. Therefore, the unit should never be
immersed in any fluid.
The case, keypad, and display window may be cleaned with a damp cloth and mild
detergent if necessary. Do not use strong solvents or abrasives.
11.2 Transducers Maintenance
The ultrasonic transducers or probes used with the 27MG Ultrasonic Thickness Gage
are rugged devices that need little care. They are not indestructible, however, and a
little attention to the following items will result in the longest transducer life:
• The cables can be damaged by cutting, pinching, or pulling. Care must be taken to
prevent mechanical abuse to the cables. Never leave a transducer where a heavy
object can be placed on the cable. Never remove a transducer from the gage by
pulling on the cable. Pull on the molded connector housing only. Never tie a knot
in a transducer cable.
• Do not twist or pull the cable at the point where it connects to the transducer.
These precautions are particularly important for all transducers other than the
models that have field-replaceable cables.
• Transducer performance will be degraded by excessive wear at the tip. To
minimize wear, do not scrape or drag the transducer across rough surfaces. When
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