https://www.lanequalitys.com/products/fm-100v10-portable-flow-meter.html FM-100V10 portable flow meter handheld (hereinafter referred to as portable flow meter) is designed for hydrological stations, factories and mines, environmental protection monitoring station, farmland irrigation and drainage, hydrogeology survey and other departments in the field of velocity of flow in open channel flow. Applications of FM-100V10 portable ultrasonic flow meter FM - 100V10 portable air flow meter is used in hydrological stations, hydrogeology survey, factories and mines, environmental protection monitoring station, farmland irrigation and drainage, and other departments in the field of velocity of flow in open channel flow. Features of FM-100V10 Portable Flow Meter Can be measured in sewage environment Simple structure, light and convenient uses, Power off while battery low, Automatically, stable and reliable measurement, A new type of portable velocity measurement instrument, also work within the national high temperature rotary slurry.