HD-202 series High Voltage Digital Display Porosity Pinhole Holiday Detector
Function
HD-202 Porosity Holiday detector is special testing equipment used to detect oil and gas pipelines, cables, enamel, metal tank, hull and other protective coatings flaws. It is professional and practical equipment.
Main technical index
| Measuring range | A:0.03-3.5mm(Epoxy coal tar pitch medium)
B:3.5-10.mm(Petroleum asphalt medium)
C:0.03-10.mm(Epoxy coal tar pitch,Petroleum |
| Output high voltage | A:0.5-15KV
B:15-35KV
C:0.5-35KV |
| Display | digital display |
| High voltage control system | digital governer |
| DC supply | 12v |
| Consumption | ＜5w |
| Alarm delay | 1-2 sec |
| High voltage probe | high pressure generator (import) |
| Packing | Aluminum box |
| Main dimension | 165mm×155mm×68mm |
| Weight | 1.5kg(Including battery) |
Characteristic
1,Low power consumption, small size, light weight.
2,Microelectronic integrated high voltage generator,to overcome the electrostatic；
3,digital display,high-precision；
4,Automatic exchange for High voltage and source voltage；
5,intelligent charging；
6,Adopt imported microswitch, action is sensitive and reliable and with good stability；
7,Power on self test function；
8,Anti static,High voltage Protection；
9,Automatic regulation；
10,Modular structure,Three-proofing design,long service life and reliability.
Accessories
Charger, high pressure gloves, long cable, short connecting line, Connecting magnet, earth rod, The brush plate, Manual
Principle
The detector generates a high DC voltage that is applied to the coating surface through a probe. The detector is connected to the substrate via the high voltage returned. When the probe is passed over a coating flaw, then the electrical circuit is completed and current flows from the probe to the substrate. As a result, audible and visual alarms are activated in the detector and a spark may be produced at the flaw.
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HD-202 Series High Voltage Digital Display Porosity Pinhole Holiday Detector Images
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