water level gauge

基本解释

This paper analyzes accident about the glass board or tube water level gauge of the boiler.
本文分析了鍋爐常用玻璃板（琯）水位表發生的故障，竝提出了相應預防措施。
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.
智能水位計的研制成功，主要解決了供水企業深井水位（或液位）的測量問題，它取代了以往用萬用表測量水位的“歐姆”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.
上水時，空氣閥、壓力表閥及水位計通汽通水閥開足，其他閥門和檢查門無孔門應一律關閉。
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)