Accuracy & repeatability Accuracy: +/- 1.0% of reading from 0.03ft/s to 40ft/s (0.01 to 12m/s) Repeatability: +/- 0.3% of reading Description ·Transit-time ultrasonic ·Handheld, easy to carry ·Clamp-on outside of pipe for easy set up ·No pipe cutting or process shutdown ·High accuracy at low and high flows ·Bi-directional flow Fluids measured Water and liquids; Tolerant of liquids with small amounts of air bubbles or suspended solids Flow range Bi-directional flow range of 0.03 ft/s to 40 ft/s (0.01 to 12 m/s) Pipe sizes from 1 to 48 inches (25 to 1200mm) Pipe material Carbon sheet ; stainless sheet ; PVC Digital communications RS-485, Modbus RTU Out puts OTC pulse output :0~5000 Hz Analog output : 4~20m A , max load 750Ω Temperature Transmitter: 14F~122F(-10C~50C) Transducer: 32F~176F(0C~80C)