重庆煤矿安全仪器厂生产的 AJH—3型氧气呼吸器校验仪,是一种较为理想的新型氧气呼吸器校验仪器,它具有设计新颖、灵敏度高、稳定可靠等优点。但是,在进行氧气呼吸器的流量检查时,按该仪器使用说明书介绍,要“拆下被检呼吸器的气囊,用M20接头、单管和 M10接头将被检呼吸器的供气装置(自动肺或减压器的输出接头)与校 AJH-3 oxygen respirator calibrator produced by Chongqing Coal Mine Safety Instrument Factory is an ideal new oxygen respirator calibration instrument, which has the advantages of novel design, high sensitivity, stability and reliability. However, when carrying out the oxygen breathing apparatus flow test, according to the instruction manual of the instrument, it is necessary to "remove the airbag of the inspected respirator and connect the gas supply of the inspected breather with M20 connector, single pipe and M10 connector Lung or pressure reducer output connector) and school