5
DO NOT CUT THE GROUND CABLE TO A SHORTER LENGTH.
CAUTION! DO NOT TOUCH THE BARE GROUND WIRE WHEN
THE DETECTOR IS TURNED ON.
WARNING! DO NOT USE WHEN RAINING. If it is raining then
there is a safety concern for the operator. Pure water is non-
conductive, but almost any contaminant will cause water to become conductive
(dust in the air or salt from an operator’s hands). If conductive water covers the
wand (the black plastic part of the detector where the electrode is attached) and
the orange case then the operator will become the return path for the high
voltage. While this is NOT LETHAL, it does hurt. Also the unit may become
damaged.
If it isn’t raining, but the coating surface is wet, the problem becomes one
of accurately locating the coating defect (holiday). Again, the water will
conduct the electricity and you may get false holiday indications many feet from
the actual holiday(s). In this case it is recommended that you dry the testing area
prior to inspection.
CAUTION! DO NOT USE AROUND SENSITIVE
ELECTRONICS OR RADIO EQUIPMENT. When in standby the
SPY
®
Model 785 / 790 Pulse DC Holiday Detector will generate radio frequency
emissions which are within the limit defined by the Electromagnetic Compatibility
Directive. Due to its method of operation however, the SPY
®
Model 785 / 790
Pulse DC Holiday Detector will generate broadband RF emissions when the unit is
generating high voltage or when a spark is produced at the electrode. It is therefore
recommended that the user does not activate the high voltage within the vicinity
of sensitive electronics or radio equipment.
ELECTRODES / ACCESSORIES: It is imperative for the accurate operation of
the unit that electrodes (Spring & Brush) and accessory attachments (Spring &
Brush Wands & Ground Cable) be kept clean and free of dirt and debris. Please
clean with a damp cloth before storing them for future use.
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