Supply : Pirani Vacuum Sensor & Vacuum Gauges.
提供皮拉尼真空规管、真空计等。
The constant pressure flowmeters (CPFMs) were used to calibrate vacuum leaks and vacuum gauges in some national laboratories.
恒压式气体微流量计(CPFM)被多个国家级实验室选作为计量学设备，用来校准真空规和真空漏孔。
The Alcatel vacuum Technology product-range includes vacuum pumps, leak detectors, vacuum gauges, plasma sensors, valves, flanges and fitting.
阿尔卡特真空技术的产品包括真空泵，检漏仪，真空计，等离子传感器，阀门，法兰及其配件。
The SZH series of digital vacuum gauges has been developed. The new and unique characters, fundamental working principle and main experiment results are described.
研制成功了SZH系列数字真空计。描述了它们的新颖性和独创性、基本工作原理和主要实验结果。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
The vacuum system USES a compact vacuum pump group and compound gauges with wide measuring range and good hermetization.
真空系统采用复合真空计及真空机组，测量范围宽、设备紧凑、密封性能好。
Security: Our equipments have ant-blocking device, also have pressure gauges, alarms, safety valves and vacuum equipment. Normal operation are going on under negative pressure or ordinary pressure.
答：(1)安全：我们的设备有防堵塞装置，还配有压力表、报警器、安全阀、负压设备，正常运行都是负压或常压下工作。
Security: Our equipments have ant-blocking device, also have pressure gauges, alarms, safety valves and vacuum equipment. Normal operation are going on under negative pressure or ordinary pressure.
答：(1)安全：我们的设备有防堵塞装置，还配有压力表、报警器、安全阀、负压设备，正常运行都是负压或常压下工作。
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