| 摘要 |
A method and apparatus for protecting workers from casualty due to a combustible gas. A portable combustible gas detector is disclosed which is particularly suitable for portable use. The detector generally comprises a circuit, housed in the same chamber as the sensor, for controlling the operation of the gas detector; and operation software for operating the detector through the circuit. The circuit of the detector is encased in armor to protect the circuit from electromagnetic wave disturbance. The detector is particularly suitable for measurement of a combustible gas with a low concentration. Advantageously, the present invention enables a worker to conveniently carry a small and lightweight combustible gas detector into a hazardous worksite to improve the safety of each worker carrying the device.
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