Test pressure gauges are precision instruments intended for measuring and calibrating other pressure gauges. It is recommended that the instrument be at least four times more accurate than the instrument under test.
Box: AISI 304 stainless steel.
Aro: bayonet coupling, made of AISI 304 stainless steel.
Flange: front or rear.
Counter: white with anti-parallax mirror.
Pointer: aluminum, knife-type balanced
Visor: 3mm flat glass.
Sensor element: AISI 316 stainless steel bourdon tube.
Mechanism: AISI 304 stainless steel with adjustment.
Connection: Eccentric lower or rear with 1/4 ”, 3/8” or 1/2 ”NPT or BSP thread.
Socket: AISI 304 stainless steel.
Precision: Class A2 = 0.5% of the total scale.
Class A3 = 0.25% of the total scale.