Walk through metal detector Model:ub500 6 zones standard Parameters Power supply:ac85v-264v Working temperature:-20?--+50? Working frequency :4khz—8khz Standard external size: 2200mm(h)x800mm(w)x580mm(d) Standard internal size: 2010mm(h)x700mm(w)x500mm(d) Package size for door panels: 2260*650*260mm *1ctn Package size for control unit: 780*390*250 mm*1ctn Gross weight: 70kg Characteristic & function Six mutual over-lapping detecting zones, simultaneous alarm from multi- zones; Sensitivity adjustable: each zone has 100 sensitivity level Sound & led alarm: both side led indicator , Easily show where the metal is. Automatically count passengers and alarm times Alarm strength indicator on control panel Password protection, only the authorized person can operate. Easy assembly: designed with only 2 pieces cables and 8 screws, simply-to-follow instruction. Harmless to human body: is harmless with heart pacemaker, pregnant women, magnetic floppy, recording tapes, etc. Using high density fireproof material Program self-diagnostic when power on, no need initial or periodic calibration Modularization design, easy for maintenance and replacement. Sensitivity test piece: one yuan coin, omnidirectional detection 4-8 hours backup battery (option) Application Exhibition center, electronic factory, bank, prison, government office, hotel etc