Delta OHM HD 9221 Manuel D'instruction page 41

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ENGLISH
LP 9221/PHOT
Photometric probe for measuring ILLUMINANCE, photopic correction filter
complying with CIE, diffuser for cosine correction.
Range 0÷200,000 lux.
This is the probe for measuring light with correction according to the
human eye; it is suitable for measurements in offices, schools, laborato-
ries, places of entertainment, emergency exits, galleries, shops, shop win-
dows, interiors of industrial buildings, sports facilities, greenhouses etc., in
all lighting measurements.
The typical response curve of the probe is as follows:
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