Omega HHUVA1 is a portable, 3.5 digit digital UVA detector of a compact size, designed for easy one-hand operation. It features a 3.5 digit LCD display with a maximum reading of 1999. The meter is capable of measuring in the range of 199.9 µW/cm², 1.999 mW/cm², and 19.99 mW/cm², with a resolution of 0.1 µW/cm², 0.001 mW/cm², and 0.01 mW/cm², and accuracy of ±(4% FS + 2 digits). It also has a number of convenient features, including a MAX-HOLD function to capture the maximum reading, a DATA-HOLD function to freeze the current reading on the display, and a low battery indicator.