ULD-40™
Ultrasonic corona & arcing detector
The ULD-40™ is an ultrasonic detector designed for corona effect and arcing detection for predictive maintenance in electric utilities. Available with a variety of accessories, this instrument is a cost-effective must for any prevention plan.
Information
Schedule your free web presentation with an ndb Technologies sales engineer: Click here
- Works just as well in noisy environments
- Countless number of possible applications
- Battery operated for maximum flexibility
- Parabolic sensor with laser for optimal pinpoint testing
- Built-in sensor and speaker
- Rugged Delrin construction
Contact support@ndbtech.com
Video
Accessories

Laser enhancement glasses
Use the laser enhancement glasses with the parabolic sensor (ULD-401) for better aiming on overhead accessories.
Part number: ACC-113

Parabolic sensor
Use the parabolic sensor for corona effect detection on overhead accessories.
Part number: ULD-401

Ultrasonic noise simulator
Simulate corona effect noise to test your ULD-40 setup prior to conduct field tests.
Part number: ULD-403

Audio cable
Save recording on an external device using the ULD-404 audio cable.
Part number: ULD-404

Noise isolating headphones
Ruggued noise isolating headphones for noisy environments.
Part number: ULD-405
Standard 3.5mm audio jack.

Contact probe
Conduct partial discharge detection on metal clad cabinets using the ULD-40 paired with the ULD-406 magnetic contact probe.
Part number: ULD-406