The CI 21 fixed transmitter from GfG Instrumentation, Ann Arbor, Mich., features a charge carrier injection sensor, designed to improve upon current ammonia refrigeration detection methods.

Cool Air, Inc., Ham Lake, Minn., introduced the new LBW-420-LEL ammonia leak detection device, designed for catastrophic leak detection and response before entering the lower explosion level (LEL).

A recent NASA-supported study released by Bubbleology Research International (BRI), Goleta, Calif., combined remote sensing with advanced mobile analyzers to understand how differing husbandry practices vary within dairies, between dairies and between regions.