Junhong Electronic and Technology (Dongguan) Co., Ltd. established in 2 0 0 5, who has been specialized in research and development of security detection technology for 14 years. We are supplying various of products range: Walk through metal detectors, hand held metal detectors, industrial metal detectors, weighing machine, underground metal detectors, X-ray inspection machine, under vehicle surveillance systems etc. All products are conform to U S and E U standard, and certified with the certifications of I S O, C E, S G S, I E C Test Report and China Security Ministry Inspection Report.
As a manufacturer, we have a professional research and development team, a young sales team and after sales service team. We can offer professional products and service for worldwide customers. We Strictly conforms to international standard of I S O 9 0 0 1 as a strict quality control system. We Security checkvise all the production processes from material purchasing, processing and storage to delivery.
In the international market, we provide O E M and O D M service for customers. By the means of reliable quality and Security check service, we have earned a good reputation home and abroad. We sincerely welcome customers from both at home and abroad to cooperate with us to develop friendly and mutually beneficial business relationships for long term.
1. Why does the handheld metal detector continue to sound or vibrate?
Abnormal cause: insufficient battery voltage
Solution: 1. If you are using a disposable dry battery, please replace the battery
2. If you are using a rechargeable battery, please charge it for 2-5 hours.
3. Reduce sensitivity
2. Only the alarm sounds no vibration or only vibration does not sound an alarm?
Abnormal cause: the switch is not switched
Solution: There are two kinds of alarm methods for hand-held metal detectors, namely, audible alarm and vibration alarm. These two alarm modes cannot be turned on at the same time. Only one type of alarm can be selected. They are switched by switching the switch. You only need to switch to the corresponding function.
3. Didn't react after loading the battery?
Abnormal cause: the battery is reversed
Solution: Remove the battery, adjust the positive and negative electrodes, and reload the battery.