Clamp-on Ultrasonic Flow Meter

TUF336 (For Small Pipes)

clamp-on ultrasonic flow meter tuf336


The TUF336 is an ultrasonic permanent / fixed clamp-on flow metering solution for measuring flow rate and total flow with a volume pulse output and optional Modbus or 4-20mA flow proportional output, which can be used as a stand alone meter or as part of an integral management system.

Simple to install – connect power and enter the pipe inside diameter, adjust the sensors and clamp-on the pipe -no specialist skills or tools required!

TUF336 clamp-on ultrasonic flow meter is a cost effective alternative to traditional in-line meter installation, plus dry servicing, providing minimum downtime and maximum availability.

  • Factory configured – minimal site configuration
  • Adjustable guide rail & sensor assembly – simple installation
  • Clamp-on – non-invasive & low install cost
  • LCD with backlight – install & service information
  • Integral pulse or optional modbus and 4-20mA outputs – aM&T & BEM’s compatible
  • Adjustable guide rail & sensor assembly for simple installation
  • Non-invasive solution
  • Low installation cost
  • LCD with backlight
  • Transmitter can be placed both locally and remotely
  • Economical version catering to small pipe size (up to 180mm)
  • Water/wastewater
  • Building Energy Management
  • Semi Conductor Industry
  • Pharmaceutical
  • Petrochemical
  • Food and beverage

Measurement Technique Ultrasonic transit time method for flow measurement.
Turn Down Ratio: 200:1
Accuracy +/- 1% – 3% of flow reading for >0.3m/s (1 ft/s)
Flow Velocity Range 0.1m/s – 10m/s (0.3 ft/s – 32 ft/s)
Pipe Range Available in 2 options:
22mm to 115mm OD
125mm to 180mm OD
Note Pipe size is dependent on pipe material and internal diameter
Water Temp Range 0°C – 85°C (32°F – 185°F)
Pulse Output Pulse or Frequency
Pulse for Volume flow and Alarms
Frequency for flow rate
The pulse output can be configured as a loss of signal or low flow alarm
4-20mA Output Optional 4-20mA flow proportional output
Modbus Communication Optional Modbus RTU slave, RS485 serial link hardware layer. Modbus connection cable is 1m.
External Power Supply 12V – 24V +/- 10% AC/DC at 7 watts per unit. Optional plug in 12V power supply.
Electronics Enclosure IP54
Input/Output Cable 5m x 6 core for power in, 4-20mA and pulse out
Dimensions 250mm x 48mm x 90mm (10” x 2” x 4”) (electronics + guide rail)
 Note: Specifications are subject to change without notice