ACI QIRF-0R11X-0 : Infrared Refrigerant Detector, R11 Refrigerant Type, 0-1000 PPM, 7500 sq. ft (696.7 sq. m), 49 ft radius(14.9 m), 4-20 mA or 2 to 10 VDC Analog Output Signal, Relays, 6 to 18" (15.24 to 45.72 cm) Mounting Height, 2-Year Warranty, Made in USA
