Contact pressure gauge, G 1/2 radial bottom, 0 - 4,0 bar, Ø 100

Robust bourdon-tube pressure gauge with electrical contact (magnetic spring contact), contact type 821.21.

The electrical contact opens an electrical circuit when the first set limit value is reached and closes it again at the second limit value.

Suitable for gaseous or liquid media which do not corrode copper alloy, do not have high viscosity and do not crystallise.

Current ratings:

Make rating 1.0, A

Break rating 1.0, A

Continuous load 0.6 A

Pin assignment 821.21:

1. Contact makes when pointer reaches set point

2. Contact breaks when pointer reaches set point