Analysis: generally because of the sensitivity adjustment is too high, or not timely transferred to the original normal position actions to increase the sensitivity to detect small metal. Remedy: 1, as long as the sensitivity lowered to.

Guangzhou City Gram Gold anti-Technology Co., Ltd. is one part of the international security organization in grams gold Holding Group, there have Pakistan, Jordan, Nepal, Iran, Brazil, Poland, South Africa branch of the Group consists of a set of R & D, production and import and export security doors, X-ray machine, metal detector, underground treasure detectors, gold detectors, explosives detecto...

Reson analysis : these phenomena occur, generally disable the detector for some time, andforgot to remove the battery, the battery is long-term slow-discharge actions. Remedy:1, replacement of new battery 2, note that the battery compartment battery leakage and pollution, such as pollution, must cleaning promptly, if not the battery will to buckle or circuit board corrosion damage. 3,Availab...

Normally is one year.

Reason Analysis : this appears of this hand held metal detector was due to high sensitivity and low power. Some users use after a period of time, didn't notice the battery voltage is less than the operating voltage, tend to think: probe more than deemed failures, and let the repair. Exclude ways: 1, emits alarm sensitivity of SI Cho arrived, up to not alarm. 2, the adjustment cannot be ruled out...

A: The sampling test paper is use the special purpose test paper from our company,if under the special situation that have no the special purpose test paper,you can in place of the A4 print paper,still need to carry on the gap test paper analyse before testing.