The Model 251 is Radar Engineers second generation ultrasonic detector. It was designed specifically for pinpointing sources of powerline sparking and corona. It is a one-piece instrument that includes an ultrasonic sensor, parabolic reflector and receiver. Can be used by field personnel from the ground or from a bucket.
Features
- Clear plastic parabola
- Ultrasonic sensor and receiver
- Speaker
- Signal strength meter
- Gain control pot and attenuator switch
- Source indicating LED
- Corona check LED
- Headphone jack
- Padded carrying case