Multi-Channel Ultrasonic Flowmeter - Accuracy: DN50 – DN2000 mm Repeatability: ± 1.0 % Principle: ± 0.1to 10 m/s Velocity: 2-way two-wire PT 100 Pipe Size: 4-20 mA, Pulse, OCT, RS485 Measuring Cycle: 50 ms. (20 times/s, collect 64 groups data) Power Supply: DC 24V & AC 220V Body Material: Carbon Steel (Standard), SUS304(0ptional), SUS316(0ptional) Cable Length: Max 100 m Working Temperature: Host : -10 °Cto 70 °C, Sensor : -30 °C to 150 °C Flow Direction: Could separately measure forward and reverse flow. and could measure net now Other Function: Memory total now date, month, year Fault self-diagnosis function Turbidity: ≤ 10000 ppm, low bubble content Humidity: Host 85%RH Straight Pipe: Upstream ≥ 10D, Downstream ≥ 5D, Pump outlet ≥ 30D Media: Water, Seawater, Acid solution, Cooking oil, Gasoline, Coal oil, Oiesel, Alcohol, Beer and otner unifonn liquid could transmitting ultrasonic waves