In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function. Nitric oxide, a gas well known to scientists for its myriad functions, ...

The portable X-am 5800 multi-gas detector simultaneously measures up to six gases, depending on the sensors installed. It represents a new addition to the Dräger X-am series, which already includes ...

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In the confined work spaces found in chemical plants, paper mills, refineries, underground mines and utility passageways, the air may be contaminated with toxic or combustible gases or suffer from a ...

Scientists have created a highly sensitive portable sensor to test the air for the most damaging greenhouse gases. Rice University scientists have created a highly sensitive portable sensor to test ...

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The key to accurate readings is calibration, says OSHA, and the agency notes the International Safety Equipment Association (ISEA) recommends, at a minimum, verification of sensor accuracy before each ...

The device, created by Rice engineer Frank Tittel and his group, uses a thumbnail-sized quantum cascade laser (QCL) as well as tuning forks to detect very small amounts of nitrous oxide and methane.