for more info:www.feisgroup.com 
Model: SJ20-A-1/600 Reinforced Automatic Needle Detectors   
Certificated: CE
Detection Method: Magnetic field induction, digital circuit  
Detection Sensitivity: FeΦ0.8mm-2.0mm  
Detection Adjustment: 1-10level  
Detection Width: 600mm & custom-build machine  
Detection Height :120mm  & custom-build machine  
Alarm Method: Alarm by sound & light, machine stops, conveyer returns, then restarts again  
Power Supply: AC220V±10% 50HZ   
Power: 90W  
Machine Size: About 1580L*980W*900Hmm  
Net Weight: About 200KG