The COSA XENTAUR XDT Series Dew Point Transmitter — a rugged, aluminum-oxide-sensor dew-point meter — continuously monitors moisture in dry gases (air, natural gas, hydrogen, etc.) over a wide range (≈ –100 °C to +20 °C dew point), offering real-time, accurate readings, optional dual alarms, and analog/digital outputs for seamless integration into industrial gas-drying, compressed-air, or clean-room systems.