gas detector

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gas detector

[′gas di‚tek·tər]
(mining engineering)
A device which indicates the existence of firedamp or other combustible or noxious gas in a mine.
References in periodicals archive ?
Among these gas sensors, adoption of oxygen sensors is found in almost all automobiles manufactured today.
Many efforts are being made to reduce the impact of pollution gases, one of which is the implementation of gas sensors as a means of prevention.
Gas sensors recognise a fire not by its smoke but by the carbon monoxide it emits.
Working with FSAD visiting scientist Ruya Ozer, they developed metal organic frameworks grown onto cotton fibers that fluoresce red or green when exposed to ultraviolet light, pairing these gas sensors with 3D visual art for a campus display.
The Stokesley-based business, which makes a gas sensors, detectors and alarms, will be supplying its O2NE+, Safe-OX+ and Ax 50 products to the Linde Group, the largest gas supplier in the world, which has speciality gas, medical and beverage divisions.
AppliedSensor produces chemical gas sensors that can be used for appliance, automotive, building automation, consumer and industrial purposes, MEMS sensors for detection of gases and volatile organic compounds (VOCs) and Field Effect (FE) sensors for selective detection of hydrogen.
Some important factors influencing the surface reactions of gas sensors, such as chemical components, microstructures of sensing layers, temperature, and humidity, are investigated [7-10].
Electrical engineers and physicists cover advanced sensing methods and structure, nanomaterials for gas sensing, and applications of semiconductor gas sensors. Among the specific topics are conduction mechanisms in semiconducting metal oxide sensing films and its impact on transduction, recent trends in silicon carbide and graphene-based gas sensors, micromachined semiconductor gas sensors, semiconducting direct thermoelectric gas sensors, semiconductor quantum dots for photoluminescence-based gas sensing, carbon nanotube and metal oxide hybrid materials for gas sensing, metal oxide semiconductor gas sensors in environmental monitoring, and solid-state sensor for detecting carbon dioxide.
This option includes service and calibration, plus spare parts for years 1, 2 and 4, with the addition of replacement gas sensors at year 3.
Analytical gas sensors offer a promising and an inexpensive solution to problems related to such gaseous pollutants, according to Dr Madi.
The feasibility of using three types of semiconductor gas sensors to detect the metabolic gas generated by termites was investigated.
Existing gas sensors are based on technologies such as gas chromatography and photolithography, which make them difficult to produce cheaply.