CEN-TECH ITEM 98674 Operation Manual page 23

DIGITAL MULTIMETER
NOTE:
1 ） W hen only 'OL' appears on the LCD, it means
over-range and a higher range should be selected.
2 S pectral sensitivity characteristic:
）
100
80
60
40
20
400 500 600
Wave Length (nm)
3 R ecommended luminance:
）
Location
Home
wardrobe, bedroom, lavatory,
staircase, corridor
living-room, study, toilet, kitchen
writing, working
handicraft, dressmaking work
Office
conference room, reception room
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OPERATING INSTRUCTION
700 800 900 1000
Lux
70~150
70~150
200 ~ 750
500~1000
750~2000
200 ~ 750
DIGITAL MULTIMETER
clerical work
typing
Factory
packing, passage
assembly line
inspection work
electronic parts assembly line
Hotel
public places, washroom
reception, front desk
Shop
staircase, corridor
display window, packing bench
shop window
Hospital
ward, warehouse
medical examination room
operation theatre, A&E ward
School
auditorium, indoor gymnasium
classroom
laboratory, library
OPERATING INSTRUCTION
700 ~ 1,500
1000 ~ 2,000
150 ~ 300
300 ~ 750
750 ~ 1,500
1,500 ~ 3,000
100 ~ 200
200 ~1,000
150 ~ 200
750 ~ 1,500
1,500 ~ 3,000
100 ~ 200
300 ~ 750
750 ~ 1,500
100 ~ 300
200 ~ 750
500 ~ 1,500
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