1. Introduction to GfG

2. GfG Headquarters in Dortmund, Germany
Specialized in development and production of gas measurement technology for nearly 50 years
Net revenue approx. $70 M USD

3. GfG
ISO 9001, IECEx and ATEX registered

4. GfG
1961 “Methanprüfer K95” – first electronic gas detector for the coal-mining industry
1962 G61 methane detector becomes standard in coal mining (Ruhr / Saarland)
1964 Market launch of EVAMETER G70 – Production of over 200,000 devices
1966 American launch of G70 – over 80,000 units eventually in service in USA, Hungary, Poland, Yugoslavia, the Czech Republic and the Soviet Union.
1968 First fixed gas systems for mining industry in Hungary, Yugoslavia and
Poland
1972 Sale of the company to the worlds biggest fire extinguisher group (Kidde)
1978 Foundation of GfG PTY Ltd. South Africa
1988 Management Buy Out (MBO) Foundation of GfG AG Switzerland – Additional focus on water measurement technology
1997 Acquisition of Dynamation Ltd. – Foundation of GfG Instrumentation, Inc. (USA)
1999 Foundation GfG Austria Foundation GfG Pte. (Singapore / Australia / ASIA Pacific)
2003 Foundation GfG Poland
2006 Foundation GfG Europe (Stansted, England)
2006 Robert E. Henderson assumes leadership of GfG Instrumentation (USA)
2007 Enlargement of European, Middle East, Australia and Latin America distribution

5. GfG
Local production of Portable and most fixed systems
35 Employees

6. GfG Product Applications
Confined space
Fire Service
Emergency response
Oil industry
Chemical industry
Steel industry
Water / waste water
Sewer entry
Telecommunications
Municipal departments
Refrigeration systems
Power generation
Pulp and paper

7. GfG Portable Detectors
GfG G70 gas detector: 1965
Mine safety lamp: about 1880
GfG G450 gas detector: 2006

8. GfG Fixed Systems

9. Sensor Types CC = Catalytic Combustion
CS = Chemosorption (Solid State)
EC = Electrochemical
Specialty Sensors:
CI = Charge Carrier Injection (NH3)
IR = Infrared (CO2)
TC = Thermal Conductivity
ZD = Zirconium oxide (O2)