UNI-T UT333 Temperature Humidity Meter

The UNI-T UT333 and UT333BT are compact, accurate digital meters for measuring temperature (-10°C to 60°C / 14°F to 140°F) and humidity (0–100% RH), making them ideal for monitoring environmental conditions in storage, transport, agriculture, laboratories, and domestic settings.

The UT333BT includes Bluetooth functionality for wireless data transfer to UNI-T’s iENV mobile app (available on Google Play, Apple Store, and UNI-T's website), enabling real-time monitoring, data storage, and export.

Both models feature ±1.0°C and ±5%RH accuracy, fast 1-second sampling, and 0.1°C/0.1%RH resolution. Key functions include MAX/MIN recording, data hold, overload indication, °C/°F selection, LCD backlight, and auto power-off after 5 minutes. The device is powered by 3 × 1.5V R03 batteries and weighs only 102g, making it portable and easy to operate.

Perfect for file and material management, HVAC, animal care, teaching, and home environments.