The DCCT range of testers are designed for the automatic testing and counting of holidays/porosity in coatings of a non-conducting nature. These units are used for such applications as cable testing (during manufacture), testing plastic sheet, testing coatings on steel pipes etc.
The duration of the alarm and warning lamp illumination can be adjusted by inserting a small screwdriver into the aperture on the left hand side of the front panel marked [ALARM DELAY], to an give audible/visual warning from 0.5 to 4 seconds duration. The electromagnetic counter adjacent to the alarm registers each fault passing the sensing electrode. The counter is inhibited while the alarm is in operation when set in slow speed mode
Maintenance
The DCCT was designed for minimum maintenance by the user apart from regular inspection of the accessories and cleaning of the unit as detailed below:
All leads and cables should be regularly inspected for damage and checked for continuity.
Operation of all safety switches and devices (if fitted) should be checked.
Fluids should not be allowed to enter the DCCT unit or associated equipment.
The unit should be kept clean, ensuring all control wording remains legible.
The equipment should be sent back to the manufacturer or their agent for recalibration at yearly intervals.
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