Mounting and commissioning
Bourdon tube, capsule, diaphragm,
spring diaphragm pressure gauges
31
Bourdon tube pressure gauges NS50 with inductive contact:
Adjusting the switching point
1
Adjustment knob
(knurled nut)
2
Adjustment range: Ap-
prox. 3-15 % of the full
scale value
3
Mark for switching point
4
Lock
5
Loosen
6
Pointer above switching
point: Contact low-
resistance, current input
> 3 mA
7
Pointer below switching
point: Contact high-
resistance, current input
> 1 mA
Fig. 9: Switching point
The switching point is factory-adjusted to the centre. The switching
point can be adjusted manually.
1.
Turn the adjustment knob counter-clockwise by approx. ½ to 1
turn.
2.
Move the adjustment knob in the slot at the housing.
The switching point is adjusted within the given range.
The red pointer tip at the outer diameter of the scale indicates
the selected switching point.
3.
After having selected the desired switching point, hand-screw
the adjustment knob clockwise to lock it.
