About Us

CTRL Systems designs and delivers the
best ultrasound detectors in the world, but
we’re more than just an innovative tool
manufacturer. We are the ultrasound
experts, and we want to help your team
build and sustain a world-class ultrasound
program, specific to your organization’s

PowerBeam 300
Parabolic Accessory

The PowerBeam 300 is a parabolic accessory originally designed to test high voltage insulators and transformers from a safe distance with a high degree of accuracy.

The PowerBeam 300 can accurately pinpoint sources of ultrasound within 1 degree off target from up to 300 feet (91.44 meters) away.

The PowerBeam 300 accurately pinpoints source of ultrasound to within 1 degree from center and improves the sensitivity of the UL101. The “PB300” was originally designed for the indication and location of corona discharge and arcing on medium/high voltage transformers.

The PB300’s ability to pinpoint ultrasound is very useful when finding compressed air/gas or steam leaks in pipes located on high ceilings. There is no need to get a ladder or scissor lift.


How It Works

Pinpoint ultrasound from up to 300 feet (100m) away using the PowerBeam 300 extended range attachment along with the CTRL UL101 receiver and headset. The ultimate add-on for your ultrasound listening device. 

Technical Specifications

up to 300 ft 

40 kHz +/- 1 kHz

-4° to +130° F
(-20° to +54° C)

Standard AAA battery (x 2)

30 continuous hours

Minimum Ultrasonic Pressure: 2.0 x 10-5 PA @ 40 kHz 

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