The Series FBG Forged Brass Gages by Dwyer Instruments, Inc.
possess psi scales with 1.5% full-scale accuracy. The 2.5-in. FBG gauges are designed with industrial forged brass housings and filled with glycerin oil to dampen out vibration. This construction makes the FBG ideal for heavy industry applications such as hydraulic equipment. Wetted parts include a brass socket and phosphor bronze Bourdon tube. Units can withstand temperatures of 30°F to 160° (-1°C to 71°). A wide offering of ranges are available from full vacuum, compound to 10,000 psi.