The TR-74Ui-H Illuminance UV Recorder from TandD Corporation (Saratoga Springs, NY) can simultaneously measure and record four parameters: illuminance, ultraviolet light (UV), temperature, and humidity. In addition, the TR-74Ui-H is capable of displaying cumulative illuminance and cumulative amount of UV in the LCD display. The wide Luminosity range covers 0 to 130k lx and low light resolution to 0.01 lx. The UV Range covers 0 to 30 mw/cm2 and the internal accumulation of exposure is for both Light and UV. This compact, lightweight unit is approximately 2 x 3 inches and operates on one AA battery. The TR-74Ui-H has a large data capacity which can store up to 8,000 readings times 4 channels for a total of 32,000 readings in One-Time or Endless recording mode.
For additional information, go to www.tandd.com.