CEN-TECH ITEM 98674 Specifications download pdf (Page 23)

DIGITAL MULTIMETER

OPERATING INSTRUCTION

NOTE:

1 When only ‘OL’ appears on the LCD, it means

over-range and a higher range should be selected.

2 Spectral sensitivity characteristic:

20

400

80

60

40

100

900600500 800700 1000

R

e

l

a

t

i

v

e

S

e

n

s

i

t

i

v

i

t

y

(

%

)

Wave Length (nm)

3 Recommended luminance:

Location Lux

Home

wardrobe, bedroom, lavatory, 70~150

staircase, corridor 70~150

living-room, study, toilet, kitchen 200 ~ 750

writing, working 500~1000

handicraft, dressmaking work 750~2000

Office

conference room, reception room 200 ~ 750

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DIGITAL MULTIMETER

OPERATING INSTRUCTION

clerical work 700 ~ 1,500

typing 1000 ~ 2,000

Factory

packing, passage 150 ~ 300

assembly line 300 ~ 750

inspection work 750 ~ 1,500

electronic parts assembly line 1,500 ~ 3,000

Hotel

public places, washroom 100 ~ 200

reception, front desk 200 ~1,000

Shop

staircase, corridor 150 ~ 200

display window, packing bench 750 ~ 1,500

shop window 1,500 ~ 3,000

Hospital

ward, warehouse 100 ~ 200

medical examination room 300 ~ 750

operation theatre, A&E ward 750 ~ 1,500

School

auditorium, indoor gymnasium 100 ~ 300

classroom 200 ~ 750

laboratory, library 500 ~ 1,500

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