Portable Ultrasonic Flow Meter

We are offering portable ultrasonic flow meter. 1) better than 1% accuracy 2) 0.2% of repeatability 3) 2*10 english letters lcd display 4) operate with clamp on transducers 5) pipe diameters from 15mm to 6000mm 6) rs 485 interface 7) 220vac or 110vac power supply 8) built-in thermal printer 9) ni-mh battery operation of over 24 h