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SIRCHIE CGD100A Technical Information

Combustible gas detector
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Technical Information
TI0387R11
CGD100A
Combustible Gas Detector
Background and Purpose
The CGD100A Combustible Gas Detector offers significantly improved hydrocarbon detection while featuring visual
concentration indicators and battery operation in a reliable safe enclosure. The Combustible Gas Detector
indicates the strength of the vapor source on a six LED bar graph display along with an audible "ticking" signal
(similar to a Geiger counter), whose frequency increases as the concentration of the combustible gas increases.
The CGD100A's sensitivity is adjustable and thus is an excellent instrument for pinpointing minute concentrations
of combustible hydrocarbons and the presence of hazardous vapors to levels as low as 50 PPM (parts per million).
100 HUNTER PLACE, YOUNGSVILLE, NC 27596 USA
Ph: (919) 554-2244, (800) 356-7311 • Fax: (919) 554-2266, (800) 899-8181
• Web: www.sirchie.com • Email: sales@sirchie.com

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Summary of Contents for SIRCHIE CGD100A

  • Page 1 (similar to a Geiger counter), whose frequency increases as the concentration of the combustible gas increases. The CGD100A’s sensitivity is adjustable and thus is an excellent instrument for pinpointing minute concentrations of combustible hydrocarbons and the presence of hazardous vapors to levels as low as 50 PPM (parts per million).
  • Page 2 TI0387R11 npacking / Set-up Before using the CGD100A, it is necessary to install a 9v battery. 1. On the back side of the instrument, unclip and remove the battery compartment cover. A tool is not required to remove the cover.
  • Page 3 Technical Information TI0387R11 Controls / Operation Once the charged 9v battery is installed in the instrument, the CGD100A is ready to use. • Move the instrument to a known, non-contaminated atmosphere. • Turn the instrument ON by rotating the thumbwheel downward. The green power LED will illuminate, and the tic sound should stabilize to about two per second.
  • Page 4 Before returning the instrument to SIRCHIE for repair, carefully review these Trouble Shooting steps to determine if the problem can be solved. If the instrument still fails to work correctly, contact SIRCHIE at (800) 356-7311 to arrange an RMA to return it for service.