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Case Brass, polished
Lens Polycarbonate
Ring Brass, polished
Socket Brass
Connection

1.5″ (40mm): 1/8″ NPT bottom,

2″ (50mm), 2.5″ (63mm): 1/4” NPT bottom

Bourdon Tube Phosphor bronze
Movement Brass
Pointer Aluminum, painted black
Welding Silver alloy
Over-pressure Limit 25% of full scale value
Working Pressure Maximum  75% of full scale value
Ambient/Process Temperature -40°F to 150°F (-40°C to 65°C)
Accuracy ±3-2-3% ANSI/ASME Grade B
Enclosure Rating IP52