Paper Tape Detectors
Paper Tape Detectors :
Delphian does not offer a paper tape detector. This is older technology still in use in larger installations for testing for toxic gases. Principle of Operation: A roll of treated paper tape is mechanically fed through an instrument. When exposed to gas, the tape changes color and the color difference is detected through a photocell, and a result displayed. Advantages of Paper Tape Detectors: Very high sensitivity to non-reactive gases, physical evidence of gas detection event, not prone to interferences. Disadvantages of Paper Tape Detectors: Expensive to install and maintain, mechanical devices are prone to failure, slow response time. Color Change Badges for Hydrogen Sulfide, Chlorine, Hydrazine, Carbon Monoxide, Ozone
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