The Gems XLS Series of ultrasonic switches are designed to operate in a wide spectrum of liquids, ranging from oils to inks. These rugged switches are constructed from stainless steel and built to withstand high pressures, temperature, and vibration. In addition, XLS series switches have no moving parts to wear out over time. The ultrasonic XLS series is an ideal choice for sensing applications in printers, off-highway vehicles, and many other demanding areas.