Monitoring for Toxic VOC in Oil Industry Applications
from Robert E. Henderson, GfG Instrumentation Inc., Ann Arbor, USA

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Article (PDF, 143 kB)
Images:
Microtector II G460

The  Safety aspects for refrigerants NH₃ and CFC/HCFC
from Peter Stuerchler, GfG AG, Binz, Switzerland

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Article (PDF, 46 kB)
Images:
System MiniCal III

Understanding Ammonia
Sensors and their Applications
from Robert E. Henderson, GfG Instrumantation Inc., Ann Arbor, USA 

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Article (PDF, 48 kB)
Images:
Ammonia Transmitter CI21

Advantages of Infrared Detection over the Electrochemical Principle
Measuring Carbon Dioxide in Manholes, from Dipl.-Ing. Bernhard Kleine, GfG Dortmund

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Article (PDF, 100 kB)
Images:
Polytector II G750
Microtector II G460
Entry in Manholes

Choosing the best confined space gas detector
from Robert E. Henderson, GfG Instrumentation Inc., Ann Arbor, USA

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Article (PDF, 51 kB)
Images:
Microtector II G460
Man at work

Ozon - Benefit or Detriment
Secure ozone measurement with mobile measuring and warning devices

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Article (PDF, 26 kB)
Images:
MICRO III Single-gas detector
MICRIO IV Single-gas detector