Measures and displays Infrared heat radiation ( W/M² or BTU/Hr/FT² ), visible light ( Lux or Foot candles ), UV light ( mW/M² and µW/lumen ), temperature ( °C or °F ). Similar to 764 but infrared instead of humidity.

In addition, there is a datalogging model 774C with over 10,000 readings of all 4 parameters, wireless infrared output and Windows software for download archiving and display.