GP2D02

Fig. 3 Detection Distance vs. Illuminance

Illuminance (lx)

Test Method for Anti External Disturbing

Light Characteristics

Test Method for Sensing Range Characteristics

Reflective object

Distance to reflective object

Sensor

Sunlight

Illuminance meter

Fig. 2 Detection Distance vs. Sensing Range

Sensing range X (mm)

KODAK made white paper

(reflectivity : 90%)

Sensor

Emitting portion

Detecting portion

White paper

(reflectivity : 90%)

Reflective object

- X

+ X

0

5000

10000

15000

20000

25000

30000

0

10

20

30

40

50

60

70

80

90

100

50cm

30cm

15cm

- 100

- 50

0

50

100

0

10

20

30

40

50

60

70

80

90

100

Sensing distance : 80 cm

Sensing distance : 50 cm

Sensing distance : 20 cm