A fire detector and method for generating an alarm signal in response to a fire uses an NDIR CO 2 sensor to generate a detector signal based upon a 15μ absorption band of CO 2 and generates an alarm signal when a signal processor receives the detector signal and a preselected criterion is met that is indicative of the onset of a fire based upon an analysis of the detector signal using a ...
[email protected]Founded in 1983, Sensidyne was established as a manufacturer and distributor of gas detection and air sampling instrumentation and a major supplier of gas detection tubes. 1 – 30 of Products Industries
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Get PriceFor this headspace gas ingress approach, samples are placed into a CCIT vessel which can be pressurized with a tracer gas (e.g., carbon dioxide). If a container has a leak defect, the carbon dioxide gas will ingress into the container (see Figure 1). After the sample conditioning cycle with pressurized CO2, the samples are removed from the ...
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Get PriceMar 25, 2008Tracer gas leak testing is the most effective leak testing method, with the use of a mass spectrometer and the radioisotope method having the highest leak test sensitivity. Leak sensing times can be short, often ranging from 1 to 8 seconds, and test time does not …
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