Type 121
Applications
Used to measure micro pressure and negative pressure of gas that has no corrosion to copper alloy
Case:black steel (black painting steel,chromed steel)
Ring:no ( black steel,black painting steel ,chromed steel)
Window:acrylic (glass,acrylic glass,polycarbonate)
Socket & Connection:brass
Movement:semi-brass (complete brass)
Capsule:copper alloy.
Pointer and dial:aluminum
Rang:±12.5mbar, minimum pressure.
Accuracy Class:F±3/2/3%(ASME B40.100 Grade B)
KI 2.5 FOR 1 1/2",2",KI1.6 FOR 2 1/2",3",4"
Operating temperature
Ambient:-40F°to 140F°(-40℃ TO 60℃)
Media:140F°(+60℃)