带电接点的压力仪表在海拔较高地区使用情况调查报告西安工业自动化仪表研究所崔自强１调查的目的和内容带电接点、微动开关或者是带小型常开常闭式触头低压继电器的仪表（压力仪表为其中一个部分）是量大面广的仪表。过去，五十年代机电行业标准把低压电器（含继电器）的... Charged contact pressure gauge in the use of high altitude survey Xi’an Industrial Automation Instrumentation Research Institute Cui Ziqiang 1 The purpose of the investigation and charged contacts, micro-switches or with a small normally open normally closed contacts low-voltage relay instrument ( Pressure meter is one of the parts) is a large amount of wide range of instruments. In the past, the mechanical and electrical industry standards in the fifties low-voltage electrical appliances (including relays) ...