Clamp-on ultrasonic flowmeter The clamp-on ultrasonic flowmeter series measure liquid flow meters with full pipes. The explosion-proof and intrinsically safe type can be selected, the explosion-proof grade Exd[ib]ⅡBT6, and the intrinsically safe remote control can be selected, and the explosion-proof grade ExibⅡBT6, measurable medium: drinking water, river water, sea water, ground water cooling water, high temperature water, sewage, lubricating oil, diesel oil, fuel chemical liquid and other homogeneous fluids.