CALL (610-280-9100) ABOUT PURCHASING THIS ITEM: The Model Tox-CO/ANA uses the most current technology in sensors and electronics resulting in a stable and long life unit. The heart of the electronics is a microprocessor with 12 bit analog input resolution and 8 bit analog output resolution. Features: Analog output: linear 4 to 20 mA signal. Operating range meets OSHA ventilation requirements. Low voltage class 2 wiring. Solid State sensor. Microprocessor based 12 bit analog to digital conversion resolution. Optional digital display for CO level in PPM (parts per million). Automatic calibration. Selective to Carbon Monoxide. Application Mechanical Rooms Warehouses Refrigeration Plants Industrial Plants Process Monitoring Leak Detection Parking Garages Auto/ Truck Maintenance Facilities Oil and Gas Industry