Point level monitoring

ProGap 2.0-BS

Microwave barrier for contactless detection of dry bulk solids with filling-signal-suppression

  • Absolute insensitive to material caking
  • Can be used up to a profile of 25 m (larger profiles on request)
  • Can be used with adapter up to 220 °C and 20 bar
  • With ceramic mounting, usable up to 1,000 °C
  • Usable in dust EX-zones
  • Signalling through relay switching
  • Detection through non-conductive walls
  • Extra short sensor with separate analysis unit
  • no measurement failure because of strong material flow for filling
  • Limestone
  • Tiling
  • Waste incineration
  • Cement
  • Building materials

Application examples:

Technical Specifications
Material to measure Dust, powders or granulates
Working principle Microwave
Silo diamter/ detection range 25m
Process pressure Max. 20 bar
Process temperature Up to 1000°C
Mounting 1 1/2 ” threat connection
Place to measure Silos, containers, chutes, pipelines, transition points
ATEX rating Category 3
Output Relay
  • The microwave barrier is a contactless measuring procedure
  • Can be installed in containers, pipelines, shafts or free-fall sections
  • Range is 0.1 … 25 m
  • If container walls, housings or pipelines are not metal, it is possible to measure from the outside
  • Can also be used under difficult conditions such as high operating temperatures and pressures with the help of a process-adapter
  • The use of microwaves also ensures a high level of insensitivity to any caking on the sensor window
Technical Data
Material Housing: Stainless steel 1.4571
Sensor-Isolation: POM
Protective system IP 65
Process temperature -20…+80 °C
-20…+220 °C (with process adapter)
Max. 1000 °C (with ceramic flange)
Ambient temperature -20…+60 °C
Working pressure Max. 1 bar
Max. 20 bar (with process adapter)
Detection range 0.1 … 25 m
Power supply M24 V DC (- 10 / +15 %)
24 V AC (- 10 / +15 %)
Power consumption Max. 20 VA
Current consumption Max. 850 mA
Relay contact Max. rated load: 250 V AC
Max. peak current: 6 A
Max. rated load 230 V AC: 250 VA
Max. breaking capacity DC1: 3/110/220 V:
3/0.35/0.2 A
Min. switching load: 500 mW (10 V/5 mA)
Response time 0.25 …5 s (continuously adjustable)
Measuring frequency K-Band 24.125 GHz (± 100 MHz)
Transmitting power Max. 5 mW
Weight Transmitter: 1.1 kg
Receiver: 1.1 kg
Technical Data
Pressure adapter Temperature adapter Food adapter High temperature adapter
Material Stainless steel 1.4571,
POM diaphragm
Stainless steel 1.4571,
Tecapeek diaphragm
Stainless steel 1.4571,
Tecapeek GF30 diaphragm
Ceramic diaphragm
Temperature -20…+80 °C Max. +220 °C Max. +220 °C Max. 1000 °C
Pressure Max. 20 bar Max. 20 bar Max. 20 bar Max. 40 bar
Thread G 1½ inch on both sides G 1½ inch on both sides G 1½ inch on both sides G 1½ inch on sensor sides
Wrench width 55 mm 55 mm 55 mm 17 mm
  • ATEX Zone 1/3 D by using a process adapter

Related products

  • SolidFlow 2.0

    Continuous mass flow measurement of all types of dust, powder and granules in free fall and pneumatic conveying

  • Nico 15/30

    Radar sensor for measuring the level in silos and containers. Available for silos up to 15 m or 30 high (depending on version). Can be used for a wide variety of materials, regardless of the size or composition of the material.

  • ProGap 2.0

    Microwawe barrier for contactless detection of dry bulk solids in containers, pipes or chutes. Reliable fill level and limit detection

  • FlowJam Plus

    Material flow monitoring with Flow/No Flow information plus additional "Detection of blockage" or "Material flow interruption" function (Jam/NoJam)


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