Copyright Pyroban Ltd. Issue 1 Page 3 of 32
Part number PM1083ENG
I
NTRODUCTION
This manual contains instructions on Installing, Operating and Servicing Pyroban’s Gascheka
duo product.
Gascheka duo offers real time flammable gas detection with automatic equipment shutdown.
IMPORTANT INFORMATION
Adding Gascheka duo to equipment will not change the hazardous area rating of the
equipment on which it is installed. Further modification, testing and certification by a
recognized testing laboratory will be required to change the equipment’s hazardous
area rating.
IMPORTANT INFORMATION
The Pyroban Pellistor Gas Sensing Head has a high level of poison resistance, but it
may be irreversibly damaged by certain materials. These materials will increase the
replacement frequency of the Gas Sensing Head.
Materials that might damage the Pellistor Gas Sensing Head include:
•
Organic silicon containing compounds such as silicone fluids and greases.
•
Organic lead containing compounds
•
Organic phosphorous containing compounds
The Pyroban Infrared Gas Sensing Head is not affected by these materials.
The Pellistor and Infrared Gas Sensing Head will not detect the above materials.
IMPORTANT INFORMATION
Operation of the Pyroban Pellistor Gas Sensing Head may be temporarily impaired by
other materials. Normal operation may be resumed after a period of operation in clean
air.
Material that might temporarily impair proper functioning of the Pellistor Gas Sensing Head
includes:
•
Hydrogen sulphide and organic sulphur containing compounds
•
Halogenated hydrocarbons such as refrigerants
The Pyroban Infrared Gas Sensing Head is not affected by these materials
The Pellistor and Infrared Gas Sensing Head will not detect the above materials.
