
Manufacturer of portable gas measuring devices and stationary gas warning systems for industry, research and refrigeration technology
GfG – Tragbare Gasmessgeräte und stationäre Gaswarnsysteme
DortmundNew on Amplifa
About GfG
For more than six decades, GfG has been developing and manufacturing portable gas measuring devices and stationary gas warning systems at its Dortmund site. The product portfolio includes personal protection devices such as the multi-gas detectors of the Polytector series, transmitters such as EC22 and IR22, controllers of the GMA200 series, as well as solutions for connected safety and the monitoring of semiconductor process gases (D-ReX). The measuring technology covers, among others, oxygen, carbon dioxide, carbon monoxide, sulfur dioxide and refrigerants such as ammonia, propane and carbon dioxide. Customers come primarily from the semiconductor industry, refrigeration technology, as well as research, laboratories and testing applications. In addition to products, GfG offers consulting, maintenance and service, as well as training directly from the manufacturer. The products and production processes comply with national and international regulations and are certified by independent testing institutes, including ATEX-relevant requirements.
- Site
- Dortmund
- Processes
- Consulting, Service/Maintenance, Training
- Materials
- Electrochemical Sensor Technology, Infrared Sensor Technology (IR22), ATEX Compliance
- Certificates
- Certification by independent testing institutes, ATEX directives
- Industries
- Semiconductor Industry, Refrigeration Technology, Research & Laboratories, Industrial Safety
- 01
Engineering & Product Development
- 02
Manufacturing of gas measuring devices and gas warning systems
- 03
Certification by independent testing institutes
- 04
Sales including consulting
- 05
Service/Maintenance
- 06
Training
Technologies & Sensor Technology
Electrochemical Sensor Technology
Sensor technology for monitoring gases such as CO, SO2 and O2 in industrial environments.
Infrared Sensor Technology (IR22)
CO2 monitoring even at temperatures down to -40 °C, e.g. in cold storage rooms.
ATEX Compliance
Products for use in potentially explosive areas in accordance with ATEX directives.
Locations
Dortmund
DEProduction / Headquarters
- Materials
- Gas measurement and gas warning technology
Products





Inside the production



Industries
Additional services
Quality & Certification
The products and production processes comply with national and international regulations and are certified by independent testing institutes; ATEX directives are taken into account.
| Evidence | Dortmund |
|---|---|
| Certification by independent testing institutes | |
| ATEX directives |
History
GfG has existed for more than six decades as a manufacturer of portable gas measuring devices and stationary gas warning systems.