Gas detector calibration is to use a known concentration of the standard gas of zero and range of the detector for approval process. The zero calibration gases are generally use pure nitrogen or clean air. Calibration range depending on the gas under test, choose a known standard gas composition and concentration.....
友链: 翼芯红外传感技术(上海)有限公司 安誉 迪盈精密仪器(上海)由有限公司
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