Major tech MT942 Manual del usuario - Página 10
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LED Light Meter User Manual
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When it is not in use for a long time, please take the batteries
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Away. And avoid keeping it in a place of high temperature and humidity.
10. Recommended Levels of Illumination
Suitable levels of illuminace
( According to the JIS standard Z 9110-1979)
Offices
Illuminance (lux)
1500 to 750
750 to 300
300 to 100
75 to 30
Factories
Illuminance ( lux )
3000 to 1500
1500 to 750
750 to 300
300 to 150
75 to 30
Schools
Illuminance (lux)
1500 to 300
750 to 200
300 to 75
75 to 30
10 to 2
10
Place
Offices, designing, drawing rooms
Offices, conference rooms, computer rooms
Workrooms, corridors, stairways, restrooms
Indoor emergency stairways
Place
Where such work as assembling, inspecting testing,
selecting, extremely precision Visual work
Assembling, inspecting, testing,selecting, precision
visual work
Assembling, inspecting, testing, selecting and visual
ordinary work
Wrapping and packing
Indoor emergency stairways
Place
Precision drawing or drafting, precision experimenting ,
library
Classrooms ,library reading rooms,Staff room ,
gymnasia
Lecture halls, assembly room corridors, locker rooms,
stairways, restrooms
Warehouses and emergency stairways
School passages