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Point level detection
Gammapilot FTG20

Geiger-Mueller counter for point level detection with separate transmitter

  • Gammapilot FTG20 aluminum housing ©Endress+Hauser
  • Gammapilot FTG20 stainless steel housing ©Endress+Hauser
  • Radiometric measuring principle

  • Gammapilot FTG20 ©Endress+Hauser

The Gammapilot FTG20 is the world’s most advanced Geiger-Mueller counter with highest available sensitivity and outstanding features. Even under extreme process conditions like high pressure, high temperature, corrosiveness, toxicity and abrasion, the radiometric measuring principle can be employed without any problems.


  • Sensor and transmitter: One instrument for all measuring tasks - can be used universally due to numerous certificates and approvals

  • Highest availability, reliability and safety, even for extreme process and ambient conditions

  • No recalibration after electronics exchange because of HistoROM data management concept and automatic decay compensation

  • Optimum adjustment to the respective application via a variety of sensitivity versions

  • Relay, 8/16mA (passive - two-wire loop powered) or 4 to 20mA output for easy system integration

  • Aluminum or stainless steel housing for heavy-duty applications

  • Easy commissioning and fast, on-site operation

Field of application

For liquids, solids, suspensions and sludges etc. Particularly for applications under extreme measuring conditions, e.g. high pressure, high temperature, corrosiveness, toxicity, abrasion. All kinds of process vessels, e.g. reactors, autoclaves, separators, acid tanks, mixers, cyclones, cupola furnaces.

  • Temperature: No limitation (non-invasive, extraneous)

  • Pressure: No limitation (non-invasive, extraneous)

  • Switch time: Up to 0.4 seconds

  • International explosion protection certificates

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: GAMMAPILOT FTG470Z


Endress+Hauser AG
Kägenstrasse 2 4153 Reinach BL Switzerland
Tel.: +41 61 715 7700
Fax: +41 61 715 2888
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