Triplett LT80, User Manual

Page: 7 / 8

Relative Spectral Sensitivity
The deviation from the comparative standards for luminosity is determined by
JIS standard C 1609-1993.
Peak sensitivity wavelength: 550 nm .
Typical Light Levels
(1 Fc = 10.76 Lux)
Lux Foot Lux Foot
Candles Candles
Factories Home
20‐75 2‐7 Emergency Stairs, Warehouse 100‐150 10‐15 Washing
75‐150 7‐15 Exit/Entrance Passages 150‐200 15‐20 Recreational
Activities
150‐300 15‐30 Packing Work 200‐300 20‐30 Drawing Room,
Table
300‐750 30‐75 Visual Work: Production Line 300‐500 30‐50 Makeup
750‐1,500 75‐150 Typesetting: Inspection Work 500‐1,500 50‐150 Reading, Study
1,500‐3,000 150‐300 Electronic Assembly, Drafting 1,000‐2,000 100‐200 Sewing
Office Restaurant
75‐100 7‐10 Indoor Emergency Stairs 75‐150 7‐15 Corridor Stairs
100‐200 10‐20 Corridor Stairs 150‐300 15‐30 Entrance,
Wash Room
0
10
20
30
40
50
60
70
80
90
380 440 500 560 620 680 740
V(
λ
)
＊
TM - 721
100
R
EL
A
TI
VE
S
EN
SI
TI
VI
TY
(
%
)
Typ. Ta=23 ℃
WAVELENGTH (nm)