SL1168 Ultrasonic Flowmeter Specifications: Accuracy: +/-1.0% of reading from 0.03 to 16fts (0.01 to 5m/s) Repeatability: +/-0.3% of reading Wide turndown ratio Bi-directional flow range of 0.03 to 16 ft/s (0.01 to 5m/s) Pipe sizes from 1 to 48 inches (25 to 1200mm) Process pipe-wall temperature: 32 to140 (0 to 60) Power supply: 10 to 24 V AC or 10 to 36 V DC at 1A Output signals: 4-20mA Pulse (configurable) Relay (configurable) Digital communications: RS-232, RS-485, Modbus RTU