With 680HVM Hydrocarbon gas analyzer produced by American Thermo Electric Com. , the optical working conditions and the leakage calculation mode of the analyzer are determined.
通过运用由美国热电子公司生产的680HVM型碳氢化合气体分析仪，确定了该仪器的最佳使用条件及泄漏量计算模式。
The portable vibration analyzer is the important device for monitoring the rotating machinery and is widely used in kinds of fields, such as chemical, electric power and metallurgy.
便携式振动测试分析仪是旋转机械状态监测中的重要工具，广泛应用于化工，电力，冶金等行业。
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