FLUK ULD-400-T TRANSMITTER, ULD-400 ULTRASONIC LEAK DETECTOR SUFFICIENT ENOUGH TO DETECT OR VERIFY A LEAK WITH AN ULTRASONIC LEAK DETECTOR RECEIVER ALONE, USE THE ULD-400-T TRANSMITTER TO GENERATE THE ULTRASONIC SIGNAL (INCLUDED WITH THE ULD-420 KIT).
Amprobe®, ULD-400-T, Ultrasonic Leak Detector Transmitter, Low Signal, 40 kHz Frequency, Alkaline Battery, 60 hr Battery Life, -4 to 122 deg F