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SL-68A, B-type spark leak detector is used to detect oil and gas pipelines, cables, enamel, metal tanks, hull and other metal surface corrosion protection layer construction quality and corrosion of the pores, a special air gap detection Equipment, the introduction of foreign high-voltage micro-electronics generator, the use of computer-controlled technology developed from the national standard GB7993 and the German standard DZN51163. Metal surface insulation coating is too thin, leakage iron and leakage at the micro-hole resistance and air gap density Are very small, when there is a high pressure through the formation of air gap breakdown spark discharge, the alarm circuit to produce a pulse signal, the alarm sound and light alarm, according to this principle to achieve the purpose of coating anticorrosive.

'Features'
● The use of microelectronics integration of high-voltage generator to overcome the electrostatic phenomenon;
● use of digital display, to improve the output accuracy;
● High voltage and power supply voltage can be automatically converted;
● Fast intelligent charging, sufficient self-stop, no manual control;
● power supply using the original Japanese micro-switching power supply, improve performance, reduce quality;
● Power on, the instrument has a self-test function;
● The instrument has anti-static, high-pressure mistaken input protection system, so as to improve the reliability of the instrument;
● special equipment protection, automatic adjustment function, to overcome the Achilles heel of similar products;
● The circuit of the instrument adopts modular structure and three-proof design, which greatly improves the service life and reliability of the instrument.

'Main Specifications'
1, measuring range: A type: 0.03-3.50mm B type: 3.50-10.0mm
2, the output high pressure: A type: 0.50-15.0KV (epoxy coal tar pitch) B type: 15.0-36.0KV (petroleum asphalt)
3, the exchange of power supply voltage: 220V ± 25%
4, the machine DC voltage: 68A type; 6V; 68B type: 8.4V
5, DC power consumption: < 5W
6, AC and DC automatic conversion time: < 0.01秒
7, alarm delay: 1-2 seconds
8, the host volume: 228 × 85 × 180
9, the host weight: 2.5Kg (including the battery)