Dwyer Instruments’ AAG Series gauges are designed for agricultural and ammonia processes, featuring PSI scales with 3-2-3% ANSI B40.1 Grade B accuracy. The 2.5-inch gauges are designed with black steel housings. Wetted parts include a steel socket and Bourdon tube. Units can withstand temperatures of -40 F to 160 F (-40 C to 71 C). Three ranges typically used in agricultural ammonia systems are available: 60, 160, and 400 PSI. The process connection on the gauges is a bottom 1/4” male NPT. Competitively priced starting at $12.00.