p>SGT gauges have dual English/metric scales with 1.6% full-scale accuracy in 2 1/2 in. dial sizes. Brass wetted parts and 304 stainless-steel housing offer chemical compatibility in ranges from full vacuum to 15,000 psi. They withstand temperatures to 140° F and process temperatures to 248° F and can be liquid-filled in the field without separate kit.

Dwyer Instruments Inc., (800) 872-9141, www.dwyer-inst.com