Palmer Wahl 40SFWB Fearless All Stainless Steel Series Pressure Gauges (Stem Mount, Back Connected)

Case: AISI 304 Stainless Steel Front 4" (100mm) diameter watertight case

Fill: Wet (Glycerin Fill Standard)

Mounting: Stem Mount, Back Connected

Ring: AISI 304 Stainless Steel, Bayonet Bezel Ring

Window: Safety Glass Standard, Acrylic Optional

Socket: AISI 316 Stainless Steel Socket and Tube, Argon welded

Connection: 1/2" NPT, 1/4" Optional

Bourdon Tube: AISI 316 Stainless Steel

Movement: AISI 304 Stainless Steel 

Pointer: Balanced Black Aluminum

Dial: White Aluminum 

Accuracy: ±1% on ranges below 10,000 ±1.6% on ranges 15,000 and above

Range Availability: PSI, Metric, and Dual Scales

Ambient Temperature: -40° to 185°F (-40° to 85°C)

Process Temperature Limits: -40° to 176°F (-40° to 80°C). 100°C MAX

Overpressure Limits: 20% of full scale