电流传感器电压传感器光学计量单元
current transducerpotential transduceroptical metering unit
光电式液位传感器
photoelectric level transducer
光电液位传感器
Optoelectronic liquid-level sensor
光纤液位传感器
Optical fiber liquid level sensor
Optical-fiber liquid level sensor
fiber optic liquid level sensor
可变光栅模液晶光学传感器
variable grating mode liguid crystal optical transducers
变阻式液位传感器
variable resistance level transducer
铂丝液位传感器
platinum wire liquid level sensor
磁致伸缩液位传感器
Magnetostrictive liquid level sensor
电容式液位传感器
capacitance level transducer
浮式液位传感器
floating level transducer
密封膜片容积式液位传感器
diaphragm sealed displacement transmitter