MEMS and Sensors

Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases

25 June 2019

The new gas sensor. Source: NevadaNanoThe new gas sensor. Source: NevadaNanoNevadaNano has introduced a family of gas sensors targeted at combustible gas safety and gas leak detection in industrial, construction and other industries.

The gas sensors are designed to detect, quantify and classify an array of flammable or explosive gases using a single calibration. The three sensors can detect flammable, methane and low global warming (LGW) refrigerant gases. This allows the sensors to work in HVAC refrigerants, value and gasket monitoring, mining, public safety, oil and gas processing and industrial safety.

The sensors will not poison or stop working when exposed to common industrial chemicals, allowing for less frequent manual calibrations and higher reliability for a safer workplace, NevadaNano said.

To contact the author of this article, email engineering360editors@globalspec.com


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Discussion – 6 comments

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Re: Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases
#1
2019-Jul-05 6:58 AM

Numerous gas sensors are delicate to weight and mind must be taken when aligning instruments that readings are not influenced by weight varieties. For instance, when using a gas chamber to align a dispersion instrument the gas ought to be gone through an adjustment mask and out to the atmosphere.

Re: Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases
#2
2019-Oct-26 2:08 AM

Combustible Gases and Solvents also have an Upper Flammable Limit (UFL), which is the same as with UEL, or Upper Explosive Limit. An LEL Detector simply detects, indicates and alarms for levels between 0-100% LEL of materials it is calibrated to monitor and detect.

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Re: Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases
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2019-Nov-01 12:25 AM

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Re: Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases
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Re: Sensors Expo 2019: Sensors designed to detect and classify flammable or explosive gases
#6
2020-Apr-08 1:24 AM

In environments where even low levels of silicon, lead or phosphates are present, there’s a risk of sensors degrading and of the sensors ultimately being unable to detect the presences of gasses. In situations where flammable gasses are highly concentrated, pellistor sensors burn out quickly.

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