hand held metal detector working principle

... battery) Delivery Time within 25 days Security Product Description Detection distance Pin: 30-60 mm Coin: 75-100 mm Six i...

... Anti Slip Handle with 9 V Rechargeable Battery SECUSTAR GP-3003BI The ...

... which makes the be convenient to take. There is a on-off which can switch the from sound alarm to light ala...

... High Sensitivity Product Introduction: Feature: 1. High sensitivity. 2. Sound and light alarm, when turn i...

... Scanner, Handset Scanner for CCTV System Features: 1. Easy and convenient to operate. 2. Can connect an earphone to ...

... (parts) .MD-300 is a mini-type , it mainly used for the security inspection in those important places, such...

... (parts) .MD-300 is a mini-type , it mainly used for the security inspection in those important places, such...

...traditional handheld , this product adopts digital circuit design, performs consistent and stable, strong anti-interference ability,...

... and convenient to use, no adjustment is required. The detection distance will not be changed when the battery voltage drops 9V- 7V. Low power cons...

... Wand With Super High Sensitivity ecer({videoId:"1Bur6qVyiEs",videoId_local:"20200812_5f33b6807ae09.local.mp4",idContainer:...

... THD is a dependable and durable that features an exclusive 360 degree detection field. The Tactical Hand-H...

... - Shenzhen "Zhonganxie technology" production of ultra-sensitive multi-functional .It is the most versatile and sensitive ...

.... Typical uses will include body search for offensive weapons in crowd control, airport and border security, checking parcels and letters for ...

... INTRODUCTION The MD3003B1 is a high performance Designed to meet the exact requirements of the se...

...vibrate when it detects the objects. Technical Specifications: 1. Power: 9V (6F22) alkaline battery, rechargeable battery 2. Operate Frequenc...

... MD3003B1 Quick Details Place of Origin: Shanghai, China (Mainland) Brand Name: ABNM Model Number: MD3003B1 Operating Tem: ...

...: 1. Optimum sensitivity with automatic retuning - never needs adjusting 2. Accurate detection of all ferrous, non-ferrous and stainless steel weap...