The STUF-300F1B from Shenitech LLC, Woburn, MA, is a wall-mount ultrasonic flowmeter that works with pipe sizes from 1–240 in. and measures flow ranges from –52 fps to 52 fps (bidirectional). Accuracy is ±1% normally, ±0.5% when onsite calibration is available. Features include velocity, volumetric, and totalized flow; 4–20 mA, OCT digital, and relay outputs as well as batch and alarm control; isolated RS-485 interface, MODBUS-compatible; and optional GPRS/GSM networking.
Ultrasonic Flowmeter from Shenitech