Measures and displays visible light (Lux or Foot-candles), UV light ( mW/M² or µW/lumen ), temperature ( °C or °F ) and humidity ( %RH ). The world standard instrument for museums, art galleries conservators or any application requiring a controlled environment.

In addition to the standard model there are also

• Model 7650 - measures Lux and UV but not temperature or humidity
• Model 765C - includes a datalogger with over 10,000 readings of all 4 parameters, wireless infrared output and Windows software for download, archiving and display.

NOTE: The 765 replaces the earlier model 764 monitor, with the following improvements:

• Easy to read OLED display
• Rechargeable NiMH batteries
• Metal case
• Direct USB connection instead of infrared for data download
• Larger memory