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Müller Turbidity Sensor ATEX
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Müller Turbidity Sensor ATEX

Müller Turbidity Sensor ATEX

Product Code: METP-Ex

Manufacturer: Müller


The METP-Ex, which has been completely redesigned and certified, is a robust sensor for optical turbidity and solids measurement. It is suitable for use with low as well as high turbidity and solids concentrations in wastewater and process water.

The METP-Ex turbidity sensor enables the control of turbidity and solids content in liquids, both in flowing and standing situations, making it particularly suitable for applications in various wastewater treatment processes.

  • Use in sewage treatment plant processes
  • Wastewater treatment/sludge treatment
  • Condensate monitoring
  • Measurements in the process industry
  • Process water monitoring

The turbidity sensor can be used in Zone 1 hazardous areas and is connected to transducers or measuring systems installed outside the hazardous areas. The maximum cable length is 100 m.

The LED probe head of the METP-Ex is connected to the intrinsically safe, ATEX-certified MATU transmitter. Both the transmitter and the sensor’s own circuit board are fully encapsulated, and the housing is bolted and welded. The materials used for the housing components are designed to withstand the aggressive media found in operating conditions and ATEX zones (60079-11 6.1).

  • Input: Turbidity measurement (ISO 7027-1)
  • Output: 4…20 mA; 0…10 V programmable; 3-wire
  • Measuring range: 0…100 g/l ≙ 0…300 NTU
  • Power supply: 12…30 VDC
  • Operating temperature: 0…50 °C
  • Operating pressure: max. 6 bar
  • Electrical connection: Cable, max 100m
  • Protection class: IP68
  • Dimensions: 166 ± 0.3; Ø 37.8 ± 0.1
  • Material: 1.4571
  • Ex approval: ATEX
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