water level gauge

基本解释

This paper analyzes accident about the glass board or tube water level gauge of the boiler.
本文分析了锅炉常用玻璃板（管）水位表发生的故障，并提出了相应预防措施。
Problems in measurement of water level(or liquid level)in deep wells are solved through developing the intelligence water level gauge instead of Ohmic method.
智能水位计的研制成功，主要解决了供水企业深井水位（或液位）的测量问题，它取代了以往用万用表测量水位的“欧姆”法。
Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
mei.jmu.edu.cn

We saw a number of Electric Imp demos and appliance ideas at the booth including a simple hand-held "detonator" toggle switch with LED, seven-segment counter, water level sensor, servo-controlled gauge, RGB light, power socket, Christmas light, power monitor, toy washing machine, 16x16 LED display and receipt printer (the latter two being combined to show the avatars and tweets of anyone mentioning the Electric Imp) -- all Internet aware.
ENGADGET: Hands-on with the Electric Imp at Maker Faire (video)