Murphy A25P Series Swichgage A25P-OS-100

Murphy  A25P Series Swichgage A25P-OS-100

These pressure-indicating gauges feature built-in electrical switches for activating alarms and/or shutting down equipment.

• Corrosion resistant polycarbonate case

• Internal pulsation dampener helps eliminate pointer flutter

• Maintains accuracy and protection from moderate overpressure

• Dial: White on black, dual scale; U.S.A. standard scale is psi/kPa; U.K. standard scale is psi/bar

• Case: Polycarbonate/glass filled, corrosion-resistant; steel mounting clamp included

• Bezel: Polished stainless steel, standard; others available

• Pointer: Tempered nickel silver; red tip

• Lens: Polycarbonate, high-impact

• Oil: Silicon oil

• Temperature Range:

• Ambient: -40°to 150° F (-40° to 66°C)

• Process: -40° to 250° F (-40° to 121°C)

• Process Connection: 1/8-27 NPTM brass

• Sensing Element: Beryllium copper diaphragm

• Gage Accuracy (% of Full Scale):

• Maximum Pressure: See Pressure Ranges and Factory Settings in bulletin

• Adjustable Limit Contact (A20P and A25P): SPST contact; pilot-duty only, 2A@30 VAC/DC; Closed when the low limit is met, open when pointer is in normal operating range

• Contacts are gold flashed silver

• Limit Contact Adjustment: by a 1/16 in. hex wrench through 100% of the scale

• Wiring: A25P: Number 6 screw terminals

• Snap-Switch Rating (A20PE): SPDT, 3 A@ 30 VDC inductive; 4 A @ 125 VAC inductive

• Wiring: A20PE: Number 4 screw terminals

• Unit Weight: 

• A20 Series: 8 oz. (0.23 kg)

• A25 Series Models: 11 oz. (0.31 kg)

• Unit Dimensions: 

• A20 Series: 3 x 3 x 3 in. (76 x 76 x 76 mm)

• A25 Series Models: 4-3/4 x 4-3/4 x 2-3/4 in. (121 x 121 x 70 mm)