INFICON Whisper, Ultrasonic Leak Detector, 711-202-G1

Detects pressure and vacuum leaks for all gases Hear the leak using the included headphones Works even in noisy environments Laser pointer makes it easier to pinpoint the leak Applications include pressure/vacuum leaks, electrical arcing, malfunctioning steam traps, and more.Only technology to detect pressurized nitrogen leaks.Runs on two D-cell alkaline batteries.Rugged carrying case included.Made in the United States, US Technician Support via Email and Phone