Quick view Honeywell Honeywell AirScan IRF9 Sensor Compare $1,892.00 M-700041 Manning AirScan IRF9 Transmitter, R422d 0-3,000 ppm Commercial Enclosure by Honeywell Analytics The Manning AirScan™ iR sensor responds to refrigerants over the range of 0-3000 ppm and features SensorCheck™ technology that... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List