LWGY/TBT、LWGY/FI-TBT converter is used with turbine flow sensor to measure, convert, totalizer and display the sensor signal it has the function of power off data protection. It can display the accumulative flow. It outputs pulse signal or capacity unit signal and standard current signal. It equips with power supply without signal output. It is suitable to the place where there is no power supply and no signal output. The convert is stable and high accuracy. It is easy to operate and maintain.