It is fully cosine corrected for the angular incidence of light.
The illuminance meter is compact, tough and easy to handle owing to its construction.
The light sensitive component used in the meter is a very stable, long life silicon diode.
BT-881D Digital LUX Meter is a precision instrument used to measure illuminance in the field The application of BT-881D is very extensive. It also includes applications in our daily life, such as factories, warehouses, schools, offices, homes, street lamps, laboratories, etc.