Principles of Holiday Detector Operation ....7 all over the world since 1953. With the purchase of this high precision Model 785/ 790 Pulse Holiday Detector Overview ..8 ®...
ELECTRONICS OR RADIO EQUIPMENT. When in standby the testing procedure. Personnel operating Portable Holiday Detectors should Model 785 / 790 Pulse Holiday Detector will generate radio frequency ® be aware of the safety limitations imposed by their environment at all times.
785 / 790 pulse holiday detector overview The Model 785 Pulse Holiday Detector is a high voltage (1-15 kV) detector designed to cover a wide range of coatings from thin films to tapes to extruded or coal tar types of coatings (4 -150 Mils). Since...
DETECTOR IS OPERATING. USE A GROUND ROD WITH A GROUNDING CABLE CLAMPED TO THE PIPE OPTIONAL: BRUSH ADAPTER KIT. The Model 785 / 790 Kit comes with CUTBACK WHILE HOLIDAY DETECTOR GROUND CABLE IS ALSO CONNECTED TO a brush adapter kit for use in connecting flat brush /neoprene electrodes, half A SEPARATE GROUNDING ROD circle electrodes and full circle electrodes.
The front clip can slide to the left or right on the handle to allow hand placement Using the SPY provided flathead screwdriver place the flat screwdriver ®...
Prior to each use of the Model 785 / 790 Pulse Holiday Detector it is STEP 7. TURNING ON UNIT FOR HOLIDAY DETECTION. Turn important to perform a Field Calibration to verify that the required voltage the unit clockwise to the ON position.
Charger CHARGING THE BATTERY. Slide the charger onto the battery as far as possible. A discharged battery The SPY battery is a completely sealed, rechargeable 12 volt unit. It ® requires 4-6 hours to fully charge. can be used in any position and under most conditions. Batteries are shipped fully charged.
VOLTAGE Check Electrode/Wand With the detector OFF remove the wand and 1,000 Volts. The SPY JM is rated for 7 kV DC NEEDS TO BE Connection fully reinsert until it locks into place. Ensure and 40 kV Peak (crescent) on pulse.
If maintained the Model 785 / 790 Pulse Holiday Detector will offer you PROBLEM POSSIBLE SOLUTION CORRECTION METHOD a lifetime of dependable operation. Regular care and maintenance of the THE BATTERY Check/Replace Battery Use a multimeter to measure the battery unit is a requirement of good quality management practices.
Pipeline Inspection Company, hereafter referred to as (SPY ® ) warrants that Model 785 / 790 Series Holiday Detectors shall, under normal use ® and service, be free from defects in material and workmanship. SPY ‘s ®...
Electrode types accessories The Model 785 / 790 can be fitted with a wide variety of electrodes that The Model 785 / 790 has a wide variety of accessories to assist you with vary in form, size and material to fit a wide range of coating inspection your coating inspection project.
Test voltage Guide for 785 / 790 related equipment portable holiday detector 525* SQRT (MILS) MINIMUM TEST VOLTAGE FOR THIN FILM COATINGS COATING THICKNESS MINIMUM TESTING VOLTAGE KiloVolts 0.25 1.67 0.30 1.82 MODEL 780 PORTABLE DC MODEL JM 0.36 1.97 ®...
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