Check the listing for details. Liquid Ultrasonic Flow Meter TUF-2000B DN20-700mm & TM-1 TS-2 SENSOR Digital. Condition: New. Listed at 260.09 USD. Features: Features: Working Environment Basic Parameters Main Unit Working Environment: -20~60°C Transducer Working Environment: -30~90°C Humidity: ≤85%Rh Accuracy:≤1% Velocity Range: 0~±10m/s, Bi-Directional Measurement Suitable Pipe Diameter TS-2 Ultrasonic Transducers20-100mm TM-1 Ultrasonic Transducers50-700mm Temperature: -30~90°C Type Of Liquid:Single Liquid Can Transmit Ultrasound, Such As Water, Sea Water, Sewage, Oil, Alcohol, Etc. Pipe Material:Steel, Stainless Steel, Cast Iron, Copper, PVC, Aluminum, Glass Steel, Etc. Liner Is Allowed. Signal Output:1 Way 4-20ma Output, 1 Way Oct Pulse Output, 1 Way Relay Output Signal Input: 3 Way 4-20ma Input, Achieve To Heat Measurement By Connecting Pt100 Plati.