4

Sheet No.: OP06008

Fig.2 Standard Optical System

Transmitter

Reception distance:L

Fig.1 Transmitter

20cm

10kΩ

5V

Oscilloscope

Transmitter (GL521 used)

Duty 50%

Using the transmitter shown in Fig. 1, the output signal of the light detecting unit is good enough to meet the following items in the

■

Performance

standard optical system in Fig. 2.

1. Linear reception distance characteristics

2.Sensitivity angle reception distance characteristics

3.Anti outer peripheral light reception distance characteristics

*7 It refers to detector face illuminance

( φindicates horizontal and vertical directions.)

GP1UM26XK0VF/GP1UM27XK0VF Series

GP1UM28XK0VF/GP1UM28YK0VF Series

*8 Outer peripheral light source: CIE standard light source A shall be used and placed at 45°from perpendicular axis at the detector face center