Safeguard Analytics High Sensitivity High Sensitivity Methane Detection Model SA-5100-CH4 External User Interface (Captive NDIR Open Path) Features Optical NDIR sensor technolgy Range of sensitivity 0-5000 ppm CH4 Minimum detectable limit of 100 PPM Output - Modbus RTU 9600 bps No periodic calibration required Inspect, zero and bump test annually > 10 year life expectancy More Info Model SA-5100L-CH4 Status Light Bar Interface (Captive NDIR Open Path) Features Optical NDIR sensor technolgy Color Light Bar Status Indicator Range of sensitivity 0-5000 ppm CH4 Minimum detectable limit of 100 PPM Output - Modbus RTU 9600 bps No periodic calibration required Inspect, zero and bump test annually > 10 year life expectancy More Info Model SA-5100D-CH4 Digital Display Interface (Captive NDIR Open Path) Features Optical NDIR sensor technolgy Digital Display with Full Script Interface Range of sensitivity 0-5000 ppm CH4 Minimum detectable limit of 100 PPM Output - Modbus RTU 9600 bps No periodic calibration required Inspect, zero and bump test annually > 10 year life expectancy More Info