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22
Notice
1: The light meter should be turned off before replacing
batteries.
2: Use batteries specified in technical data only.
3: If the meter is not to be used for a long time, take out the
batteries. In case the meter is polluted due to battery leak,
the meter should be sent by post to the manufacturer for
cleaning and checking.
4: For disposal of used batteries, follow existing
specifications on battery recycling, reuse and treatment.
Reference Table for Illumination Standard of Various
locations Fc illuminance value can be obtained from
Lux illumination value divided by 10.764
Schools:
Iluminance
(Lux)
Locations
1500~300
Drafting classroom, sewing classroom,
computer classroom
750~200
Classroom, laboratory, practice workshop,
research room, reading room, stack room,
office, staff lounge, conference room, health
center, restaurant, kitchen, pantry, radio room,
printing room, switchboard room, guard room,
indoor stadium
300~150
Large classroom, auditorium, storage cabinet
room, lounge, staircase
150~75
Corridor, elevator corridor, toilet, duty room,
workers room, bridge, school outdoor
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