The UW-7 Ultrasound Wattmeter

The UW-7 provides accurate verification and calibration of therapeutic ultrasound devices.

Since 1983, Bowles Corporation has been manufacturing the dependable and tough UW series of Ultrasound Wattmeters used in the biomedical test and calibration industry for over 35 years.

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Technical Specifications

What makes the UW7 Unique?

A heavy cast frame firmly supports the rugged straight bar load cell. It provides for faster technician on-site visits and protects the load cell from damage during transit.

Support Ring Sets provide precise sound head centering and alignment for accurate readings.

Only requires 375ml of degassed water, greatly reducing degassed water requirements.

  • Special temperature compensated load cell design.
  • 0.10 watt to 30-watt power measurement range.
  • Fast auto zeroing button
  • Extremely fast 2-second readout stabilization.
  • Measures pulsed or continuous power.
  • 2.65"(6.7cm) diameter sound head maximum
  • High contrast backlit display.
  • Selectable readout in watts or grams.
  • 120V or 240VAC 50-60 Hz standard.
  • Accuracy = ± 3% + one count reading.
  • Includes soft pack protective carrying case.
  • CE Approved


  • Unit Dimensions - 8.5" W, 12"L, 7.25" H
  • Unit Weight - 8.25 lbs (3.74kg)
  • Readout - Watts or Grams
  • Function Check Weights - 75g or 200g

Optional Features

  • Optional RS-232 cable
  • Optional USB cable
  • Optional high capacity lithium-ion, 36-hour battery