ULTRASONIC TEST SET/8.8 KhZ and 37.5 kHz TS500TS500 Ultrasonic ULB Test Set | 8.8 kHz & 37.5KHzThe TS500 Ultrasonic Test Set is a self-contained, handheld test set for testing low frequency underwater acoustic beacons. It is a battery operated heterodyne type receiver which operates at frequencies o..
90-DAY LOCATOR BEACON DK120-90DK120-90 Underwater Acoustic BeaconThe DK120/90 is a battery operated underwater acoustic pulse generator (beacon / pinger) that is activated when the water switch is immersed in either fresh or salt water. Providing a minimum of 90 days of uninterrupted operation once..