ProGap S - Niveaubewaking

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ProGap S -

Microgolfsysteem voor contactloze detectie van bulkgoed in silo's, tanks, leidingen of schachten

  • Betrouwbare niveaubewaking
  • Absoluut ongevoelig voor materiaalafzettingen
  • Tot een doorsnede van 18 m inzetbaar (grotere doorsnedes op aanvraag)
  • Met adapter inzetbaar tot 220 °C en 20 bar
  • Met keramische armatuur tot 1.000 °C inzetbaar
  • Inzetbaar in stof Ex-zones
  • Signalering door relaisschakeling
  • Detectie door alle niet-geleidende wandmaterialen heen
  • Extra korte sensor met aparte transmitter

- Nu met onderdrukking van het vulsignaal -

Use / Function

The ProGap S microwave barrier is a universal sensor with a flexible range of applications, consisting of a transmitter and receiver on the basis of the latest microwave technology. It is used to detect the limit level of dry bulk solids of all types or to position objects. The microwave barrier is a contactless measuring procedure. It can be installed in containers, pipelines, shafts or free-fall sections. The range, depending on the model, is either 0 ... 4 m or 0 ... 18 m. Larger ranges can also be realised. If container walls, housings or pipelines are not metal, it is possible to measure from the outside. This even makes it possible to completely uncouple the measurement from the process through suitable windows (made of non-metallic materials). This is especially interesting in the use of aggressive, abrasive or coarse materials or in cases of extreme pressures and temperatures. With the help of a process adapter, the ProGap S can also be used under difficult conditions such as in dust ex-zones. The use of microwaves also ensures a high level of insensitivity to any caking on the sensor window.

Mounting and Installation

The ProGap S can be easily installed in the following ways:

  • screwing into a G 1½-inch-screw neck
  • with an DN-40-flange or
  • with a clamp or other mounting

The fitting position of the devices is arbitrary. Important is that transmitter and receiver are positioned precisely to each other. The adjustment is made by means of a counter-screw fitting. Commissioning will be done by evaluation unit


Technical Data

Sensor Material Housing: Stainless steel 1.4571 / Sensor isolation: POM
  Protective system IP 65
  Using in EX-Zones DustEX-Zone 22
DustEX-Zone 20/22
(with process-adapter)
  Process temperature - 20 ... + 80 °C
- 20 ... + 220 °C (with process-adapter)
up to 1,000 °C (with ceramic flange)
  Ambient temperature - 20 ... + 60 °C
  Working pressure max. 1 bar
max. 20 bar (with process-adapter)
  Detection range 0 ... 4 m
0 ... 18 m
> 18 m (on demand)
  Power supply 24 V DC powered be DIN Rail electronic
  Power consumption approx. 1.8 VA
  Current consumption max. 100 mA
  Measuring frequency K-BAND 24.125 GHz (± 100 MHz)
  Transmitting power max. 5 mW
  Weight Transmitter/Receiver approx. 560 g each
DIN Rail electronic Power supply 18 ... 24 V DC / AC
  Power consumption 3 VA
  Current consumption 120 mA at 24 V
  Relay (max.)
- Voltage
- Current
- Capacity

250 V AC
1 A
60 W
  Fall-delay time 0.25... 5 s (continuously adjustable)
  Weight approx. 200 g
  Protective system IP 40

Application form


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