Toei Electric Industry Ultraphone Ultrasonic Discharge Detector SE-55FD New, Unused, Unopened

New, unused, unopened
■ Use
Excellent directivity allows for easy detection of discharge locations from a distance using LED light.

■ Features
- Equipped with an irradiation LED, the diameter of the circle illuminated by the LED almost matches the directivity for level measurement.
- In addition to the level display, the characteristic sound of noise from the speaker allows for identification of the discharge location.
- Safe design with no protruding metal parts.
- Display hold function when power is off.
- Lightweight, compact, and power-saving design.