GP2D05 Datasheet, PDF (3/3 Pages) Sharp Electrionic Components – Distance Measuring Sensor of 1-bit Output

Fig. 1 Distance Measuring Output vs. Distance to Reflective Object
Reflective object
White paper : KODAK made gray chart R-27,
white surface (reflectivity : 90%)
Gray paper : KODAK made gray chart R-27,
gray surface (reflectivity : 18%)
1
GP2D05
Setting shall be available to optional distance
within the measuring range ( ∆L : 10 to 80 cm).
0
0
10 20 30 40 50 60 70 80 90 100
Sensing range X (cm)
Fig. 2 Detection Distance vs. Sensing Range
100
90
80
70
60
50
40
30
20
10
0
- 100
Sensing distance : 80 cm
Sensing distance : 50 cm
Sensing distance : 20 cm
- 50
0
50
100
Sensing range X (mm)
Test Method for Sensing Range Characteristics
-X
+X
Reflective object
White paper
(reflectivity : 90%)
Detecting portion
Emitting portion
Sensor
Fig. 3 Detection Distance vs. Illuminance
100
90
80
70
60
50
40
30
20
10
0
0
50cm
30cm
15cm
5000 10000 15000 20000 25000 30000
Illuminance (lx)
Test Method for Anti External Disturbing
Light Characteristics
Distance to reflective object
Reflective object
KODAK made white paper
(reflectivity : 90%)
Illuminance meter
Sensor
Sunlight