Highly Sensitive CH4 Sensors Features – Functions - Benefits • • Minimum detectable level 100 ppm No periodic calibration required Annual bump test and zero recommended Optical NDIR sensor technology

System Detector Type Range of Sensitivity Minimum Detectable Level Detection Method Warranty Enclosure Material Non dispersive infrared (NDIR) HC absorption 0-5000 ppm CH4 100 ppm ± 25 ppm Diffusion captive open path optical chamber 2 Years OpCheck Performance Diagnostics Electrical Specifications User Interface User Interface Electropolished 316 stainless steel Input Voltage Magnetic Wand Zero and span calibration Green – normal operation Amber – level 1 warning Red – level 2 warning Blue– fault condition detected Zero stability Response time Span drift Signal stability Signal strength Power...