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Radiometric Point level detection Gammapilot FTG20

Geiger-Mueller counter for point level detection with separate transmitter

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Radiometric Point level detection Gammapilot FTG20

Geiger-Mueller counter for point level detection with separate transmitter

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Benefits

  • 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
FLEXible answers to individual needs
Current product

Radiometric Point level detection Gammapilot FTG20

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  • Standard products
  • Reliable, robust and low-maintenance

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

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Product information

Gammapilot FTG20 - Radiometric point level
Radiometric - Gammapilot FTG20
Specifications
Point Level / Liquids
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Description

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.

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
Benefits
  • 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
Predecessors
GAMMAPILOT FTG470Z
Downloads
Most downloaded
Operating Instruction (BA)
Gammapilot FTG20 Operating Instruction
English version - 12/2012
Download
Ex Safety Instruction (XA)
Gammapilot FTG20 II 2 G Ex db ia IIC Gb
II 2 G Ex db [ia] IIC Gb
II 2 DEx tb ia IIIC Db
II 2 D Ex tb [ia] IIIC Db
English version - 09/2022
Download
Technical Information (TI)
Gammapilot FTG20 Radiometric measuring technology
English version - 12/2012
Download
The CAD Drawings will be available after the configuration.
All downloads
33 Downloads
Technical Information (TI)
Gammapilot FTG20 Radiometric measuring technology
English version - 12/2012
Download
Operating Instruction (BA)
Most downloaded
Gammapilot FTG20 Operating Instruction
English version - 12/2012
Download
Installation Instructions (EA)
Electronics sensor Installation instruction Gammapilot
English version - 03/2013
Download
Installation Instructions (EA)
Cover F27/F13 Installation Instruction Gammapilot
English version - 03/2013
Download
Installation Instructions (EA)
Cover and gasket connection compartment Installation instruction Gammapilot
English version - 03/2013
Download
Installation Instructions (EA)
Transmitter FTG20 Installation instruction Gammapilot
English version - 03/2013
Download
Ex Safety Instruction (XA)
Safety Instructions Gammapilot FTG20 CSA Control Drawing
Explosion proof, DIP
English version - 04/2013
Download
Ex Safety Instruction (XA)
Safety Instructions Gammapilot FTG20 CSA Control Drawing
IS
English version - 04/2013
Download
Ex Safety Instruction (XA)
Safety Instructions Gammapilot FTG20 Ex d ia IIC Txx°C Gb
Ex d [ia] IIC Txx°C Gb
GYJ13.1284X (NEPSI)
English version - 12/2013
Download
Ex Safety Instruction (XA)
Most downloaded
Gammapilot FTG20 II 2 G Ex db ia IIC Gb
II 2 G Ex db [ia] IIC Gb
II 2 DEx tb ia IIIC Db
II 2 D Ex tb [ia] IIIC Db
English version - 09/2022
Download
Ex Safety Instruction (XA)
Safety Instructions Gammapilot FTG20 Ex d ia IIC T* Gb, Ex d [ia] IIC T* Gb
Ex tb ia IIIC T* Db, Ex tb [ia] IIIC T* Db
IECEx BVS 12.0080 X
English version - 12/2012
Download
Ex Safety Instruction (XA)
Gammapilot FTG20 ATEX, IECEx:
Ex db ia IIC Gb
Ex db [ia] IIC Gb
Ex tb ia IIIC Db
Ex tb [ia] IIIC Db
English version - 05/2022
Download
ZE (Certificate)
RFID TAG Certificate/Declaration of Conformity ATEX:
II 2 G Ex ia IIC T6 Gb
II 2 D Ex ia IIIC T80°C Db;
IECEx:
Ex ia IIC T6 Gb
Ex ia IIIC T80°C Db
IECEx EPS 15.0042X; EPS 15 ATEX 1 1011 X
English version - 02/2019
Download
Special Documentation (SD)
RFID TAG Special Documentation RFID TAG
Special Documentation
English version - 08/2015
Download
Special Documentation (SD)
SD Tagging Level and pressure measuring instruments
English version - 04/2024
Download
Special Documentation (SD)
SD IEC 61406-1 Automatic identification of physical objects
English version - 04/2023
Download
Fields of Activities (FA)
Misura di livello Misura di livello
Panoramica dei prodotti per
applicazioni in liquidi e solidi sfusi
Italian version - 06/2026
Download
Fields of Activities (FA)
Catálogo Medición y Detección de nivel Gama de productos para aplicaciones con líquidos y sólidos
Spanish version - 06/2022
Download
Fields of Activities (FA)
レベル計 総合カタログ 液体および粉体アプリケーション向けレベル計・レベルスイッチ
Japanese version - 12/2025
Download
Fields of Activities (FA)
Misura di livello Misura di livello
Panoramica dei prodotti per applicazioni in liquidi e solidi sfusi
Italian version - 03/2023
Download
Fields of Activities (FA)
Level measurement Product overview for applications in liquids and bulk solids
English version - 03/2026
Download
Manufacturer Declaration
Product family: Gammapilot Product root: FTG20-
Declaration number: HE_00585_01.17
Manufacturer specification: RoHS
Chinese version - 03/2017
Download
EU Declaration
Product family: Gammapilot Product root: FTG20-
Declaration number: EC_12013_06.22
English version - 06/2022
Download
EU Declaration
Product family: Gammapilot Product root: FTG20-
Declaration number: EG_12 0220
English version - 06/2022
Download

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Spare parts and accessories

Cover
Cover

Cover FTG20 F27 316L, gasket

Cover
Cover
Order code 71186946
Drawing number 20
Cover
Cover

Cover FTG20 F13 Ex Alu, gasket

Cover
Cover
Order code 71186947
Drawing number 20
Cover
Cover

Cover FTG20 Ex Alu, sight glass, gasket

Cover
Cover
Order code 71186948
Drawing number 20
Cover
Cover

Cover Alu, terminal comp. sensor, gask.

Cover
Cover
Order code 71186964
Drawing number 25
Spare parts & accessories
Gammapilot FTG20 - Radiometric point level
Radiometric - Gammapilot FTG20

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Gammapilot FTG20 - Radiometric point level
Radiometric - Gammapilot FTG20
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Spare parts and accessories

Cover
Cover

Cover FTG20 F27 316L, gasket

Cover
Cover
Order code 71186946
Drawing number 20
Cover
Cover

Cover FTG20 F13 Ex Alu, gasket

Cover
Cover
Order code 71186947
Drawing number 20
Cover
Cover

Cover FTG20 Ex Alu, sight glass, gasket

Cover
Cover
Order code 71186948
Drawing number 20
Cover
Cover

Cover Alu, terminal comp. sensor, gask.

Cover
Cover
Order code 71186964
Drawing number 25
Spare parts & accessories