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该检测仪设计成可在现场重新进行标定。只要将需要重新标定的检测仪接到某一合格的标定设备上，取下保护盖并手动调节指针的位置即可。检测仪配有一保护卸压阀，便于在检测仪工作结束后通过释放空气压力，安全地把它卸下来。空气制动压力检测仪@陈宁
The detector is designed to be re-calibrated in the field. Just need to recalibrate the detector connected to a qualified calibration equipment, remove the protective cover and manually adjust the position of the pointer can be. The tester is equipped with a protective relief valve to safely remove the air pressure by releasing the air after the detector has finished its work. Air brake pressure detector @ Chen Ning