The UNI-T UT333S Digital Temperature Humidity Meter is a highly accurate tool designed for reliable environmental monitoring. Its split-type design, featuring an extendable spring cable, allows easy measurement in tight or difficult-to-access spaces like ventilation ducts. The meter offers a temperature range from -10°C to 60°C and a humidity range from 0% to 100% RH, displayed on a clear LCD screen. With features such as MAX/MIN mode, data hold, and an overload alarm, this device is ideal for professional use in HVAC systems, storage facilities, and more.