Application: An economic solution for measuring pressures in ammonia systems, with dual psi and corresponding degrees F scale calibrated for ammonia, these gauges allow for quick servicing of  ammonia systems.

Gauge size: 2.5"(63mm), 4"(100mm)

Accuracy: ±1.6% of full scales

Range available(no stock): -30inHg-150psi/84°F
                                              -30inHg-300psi/126°F

Working Pressure: steady: 3/4 of full scale
                                fluctuating: 2/3 of full scale
                                 short time: full scale

Operation temperature: ambient: -20~60℃
                                        media: max.60℃

Service fluid: compatible gases and liquids

Gauge housing: stainless steel case and crimped ring

Windows: polycarbonate

Bourdon tube: stainless steel

Movement: stainless steel

Connection: stainless steel

Thread: BSP, BSPT, NPT, or metric thread

Dials: aluminum with stop pin and black lettering
           zero-adjustment screw on dial

Scale: bar and °F