6 detection zones LCD display portable door frame metal detector security check gates

6 zones narrow type LCD display high sensitivity door frame metal detector for entrance security check gates. Highlights: Narrow type gate made in light and strong materials. anti-interference ability higher. Technical parameters: Model No AT-600B External dimension 2230×820480mm Passage dimension 2000700mm Main host packing size 755×340×210mm Door frame packing size 2290×630180mm Net weight 41KG Gross weight 46KG Working voltage AC90V～240V 50／60Hz Power 20W Working frequency range 1—50 bands Working environment temperature -20℃～65℃ Install environment (Width)100cm*(Length)200cm(without the minimum metal range) flake transverse Detection accuracy range Max sensitivity≥6g metal Main features: 1. Detection zones: 6 zones or 18 zones (can be swiched automatically) 2. Display: 5.7 inch LCD 3. Adjustable sensitivity each zone: 250 levels. 4. Frequency range : 1-50 bands. 5. Safety level :1-20