Product parameters:

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SL-86 series pinhole detector is used to detect the metal surface insulation coating can not see the naked eye pinhole, air gap, crack and other defects of the instrument, metal storage tanks, pipes, enamel and other metal surface coating The instrument generates sparks and audible alarms when a pinhole is found and records the defect point once.
use:
※ widely used in oil and gas field insulation plant insulation, oil companies to install the pipeline installation team, oil tank construction department of anti-corrosion quality supervision departments of the quality and technical supervision;
※ used in gas companies, water companies, metal pipe anti-corrosion quality testing;
※ Anti-corrosion quality inspection of shipyards, petrochemical plants, military factories, machinery plants, enamel factories and large-scale bridge construction units;
※ pipeline transport enterprises, anti-corrosion layer of aging and overhaul coating quality testing.

'Features'
1, the use of foreign high-voltage integrated micro-electronics generator to overcome the electrostatic phenomenon.
2, the use of planar design, full keyboard operation, improve the performance of the instrument;
3, pinhole automatic recording;
4, high-voltage output can be continuously adjusted according to need, and can automatically store the output high voltage
5, the figures show the actual test voltage of high-voltage probe, to ensure the safety of coating;
6, the configuration of three kinds of exploration, can adapt to a variety of different occasions of detection;
7, the voltage is low, the automatic shutdown, improve the battery life;
8, fast intelligent charging, sufficient self-stop, without manual control;
9, the instrument line modular structure, three anti-design, thus greatly improving the instrument life and reliability of field use.
'Main Specifications'
1, measuring range: A type: 0.03-3.50mm (epoxy coal tar pitch) B type: 3.50-10.0mm (petroleum asphalt)
2, the output voltage: A type: 0.5-15.0KV B type: 15.0-35.0KV
3, the AC supply voltage: 220V ± 15%
4, the machine DC voltage: 9.6 V
5, DC power consumption: < 5W
6, alarm delay: 1-2 seconds
7, the host volume: 235 × 210 × 65mm
8, the host weight: 3Kg (including the battery)
9, high-pressure gun volume: 370mm × φ40mm
'Detection principle and method'
Metal surface insulation coating pinhole, leakage iron and leakage at the micro-hole resistance and air gap density is very small, when there is a high pressure through the formation of air gap breakdown spark discharge, the alarm circuit and the counting circuit to produce a pulse Signal, alarm sound and light alarm, the counter recorded once, according to this principle to achieve the purpose of anti-corrosion coating and the number of coating defects