It is fully cosine corrected for the angular incidence of light.
The light meter is compact, robust and easy to operate.
The photosensitive element used in the meter is a very stable, long-life silicon diode.
HP-881D digital illuminance meter is a precision instrument for measuring field illuminance
The application of HP-881D is very extensive. It also includes applications in our daily life, such as factories, warehouses, schools, offices, homes, street lights, laboratories, etc.
product information
Power supply: 1.5V(AAA)*3 (not included in the package)
basic skills:
data retention
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