Ammonia detector Cool Air Inc. • www.coolairinc.com

Developed for catastrophic leak detection and response before reaching the lower-explosion level, the Cool Air LBW-420-LEL ammonia detector displays ammonia concentration in percentages from 0 to 9.9. It features a 4-20mA analog output, scalable for 0 percent to 1 percent, 2 percent or 10 percent; 3 latching relays capable of shutting down equipment; and an alarm disable mode for testing, repair or calibration.