Accuracy & repeatability · Accuracy: +/-0.5% of reading from 0.03ft/s to 40ft/s (0.01 to 12m/s) · Repeatability: +/-0.15% of reading Description · Transit-time ultrasonic · Clamp on transducer and insertion transducer versions · High accuracy at low and high flows · Bi-directional flow · Clear, user-friendly menu selections Fluids measured · Water and liquids, tolerant of liquids with small amounts of air bubbles or suspended solids Flow range · Bi-directional flow range of 0.03ft/s to 40ft/s (0.01 to 12 m/s) Pipe sizes from 1 to 200 inches (25 to 5000mm) Digital communications · RS-485, Modbus RTU SD card · Standard SD card · Max record: 512 days · Record time interval Outputs · OTC pulse output :0~9999 Hz · Analog output : 4~20mA · Max load 750Ω Temperature · Transmitter: -40-140F (-40-60C) · Transducer: -40-176F (-40-80C)