Dec 01, 2006A typical tolerance could be +/- 20 percent or +/- 30 percent, or a simple triggering of the instrument's alarm. Some newer instruments feature autocalibration, which makes calibration quick and painless. Using a four-gas cylinder, a four-gas portable monitor can calibrate all four channels together within just a couple of minutes.
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Get PriceThe gas detection units can detect a wide range of refrigerant gases including Ammonia (R717), CO2 (R744), fluorinated refrigerants (HCFC and HFCs), and Propane (R290). They come with various sensor technologies to match the specific refrigerant, application, and safety requirements of the refrigeration system including electrochemical (EC), semiconductor (SC), Pellistor (P), and infrared sensors.
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Get PriceLidar (/ ˈ l aɪ d ɑːr /, also LIDAR, LiDAR, and LADAR) is a method for measuring distances by illuminating the target with laser light and measuring the reflection with a sensor. Differences in laser return times and wavelengths can then be used to make digital 3-D representations of the target. It has terrestrial, airborne, and mobile applications.
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Get PriceThe FI-8000 fumigation/anaesthetic gas monitor with IECEx / ATEX / IP-67 is the latest model from Riken in a long line of optical interferometers dating back to the 1930's when Riken's founder first developed the technology for methane detection to help prevent explosion accidents on oil tankers and in coal mines....
Get PriceJul 23, 2015The gas sensor isbased on a practice-proven handheld detector that is already widely used in the gas industry. An eye-safe laser with a filter in the bandwidth where methane has a high absorption along with an algorithm measures the gas emissions …
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Get PriceThe degree of cross sensitivity depends on the thermal conductivity of the other gases present in the mixture and the specification of the sensor. The greatest precision is seen in binary gas mixtures e.g. H 2 /CO 2, H 2 /N 2 and H 2 /Ar. For other gas mixtures please consult our technical support team. BCP-H 2 can be connected to culture ...
Get PriceGas detection systems require a conscientious and routine program of maintenance and field calibration. In any safety critical application, routine calibration, maintenance and sensor replacement are essential to help ensure integrity of the system and optimum performance.
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