Vega Capacitive electrodes EK … with signal conditionin Bedienungsanleitung PDF herunterladen (Seite 19)

Capacitive electrodes EK with signal conditioning instrument 19

20°

Mounting

Fig. 2.3 Horizontal installation

Sheet

Fig. 2.2 Shortening of the electrode

Shortening of the electrode

The dimensions of fully insulated electrodes

are fixed and must not be modified. Each

modification will destroy the instrument.

Partly insulated cable or rod electrodes can

be shortened afterwards. Note that due to

the change of the basic capacitance also the

switch point can change.

When the cable should be considerably

shortened, it can happen that an adjustment

of the electrode is not possible. A new com-

pensation of the electrode will be necessary

in this case. Note the serial number of the

electrode and call one of our sales engineers.

The electrode is compensated to the appro-

priate electrode length. For this reason you

should already state in the order if you want

to shorten the electrode.

Cable electrode EK 31 can be shortened

afterwards (see fig. 2.2). Loosen the two pins

on the gravity weight (hexagon) and remove

the two pins. Pull the cable out of the gravity

weight.

To avoid splicing of the steel cable (EK 31)

during cutting, you have to tin the cable

around the cutting position with a copper bit

or strongly tighten the cable with a wire.

Shorten the electrode cable with a metal

cutting saw or a cutting-off wheel by the

requested length.

Carry out the adjustment. The instruction is

under "4.1 Adjustment“.

Filling opening

Install the electrode such that it does not

protrude directly into the filling stream.

Should such an installation place be neces-

sary, mount a suitable sheet above or in front

of the electrode e.g. L 80 x 8 DIN 1028, etc.

Fig. 2.3

Horizontal installation

The electrodes can be mounted horizontally

to reach a very exact switch point with level

detection. We recommend to mount the elec-

trode approx. 20° inclined to the bottom, so

that build-up can be avoided.

Fig. 2.3

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