2 principle of operation – VEGA VEGACAP 69 - transistor (NPN_PNP) User Manual
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3 Product description
VEGACAP 69 • - transistor (NPN/PNP)
31176-EN-130916
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Fig. 2: Layout of the type label (example)
1 Instrument type
2 Product code
3 Approvals
4 Process and ambient temperature, process pressure
5 Power supply and signal output, electronics
6 Protection rating
7 Probe length
8 Order number
9 Serial number of the instrument
10 Material, wetted parts
11 Symbol of the device protection class
12 Reminder to observe the instrument documentation
13 ID numbers, instrument documentation
14 Notified authority for CE marking
15 Approval directives
With the serial number, you can access the delivery data of the instru-
In addition to the type label outside, you can also find the serial num-
ber on the inside of the instrument.
3.2 Principle of operation
VEGACAP 69 is a point level sensor with fully insulated capacitive
double rod electrode for level detection.
VEGACAP 69 is very rugged and maintenance-free and can be used
in all areas of industrial process technology.
Fully insulated probes such as VEGACAP 69 are preferably used in
liquids and non-conductive vessels.
Due to the insulation, the probe can be mainly used in aggressive or
corrosive products.
Typical applications are overfill and dry run protection.
The capacitive measuring principle places no special requirements
on installation. Hence, many different applications can be equipped
with VEGACAP 69.
Probe, measured product and vessel wall form an electrical capacitor.
The capacitance is influenced by three main factors.
Area of application
Functional principle