INFICON Whisper® Ultrasonic Leak DetectorDo you have a non traditional leak detection application that a gas detector, soap bubbles or dye injection system cant address? Whisper is ideal for detecting and locating ultrasonic frequencies generated when the following common situations occur: Leaks of any gas under pressure or vacuum Electrical arcing Worn bearings and machinery Malfunctions in steam traps Leaking seals Whisper includes a specialized built in receiver that detects frequencies