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| Brand Name : | HUATEC |
| Model Number : | HD-202 series |
| Certification : | CE |
| Price : | USD1587/set - USD1910/set |
| Payment Terms : | T/T,Paypal |
| Supply Ability : | 10sets/Month |
| Delivery Time : | 7-10 working days after receipt of your payment |
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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