GP1UD26XK Series/GP1UD27XK Series/GP1UD28XK Series/GP1UD28YK Series

Fig.3 Standard Optical System

φ

φ

Transmitter

Reception distance:L

(

φ indicates horizontal and vertical directions.)

Fig.5 Sensitivity Angle (Horizontal Direction)

Characteristics (TYP.) (Reference)

Fig.7 Relative Reception Distance vs.Ambient

Temperature (TYP.) (Reference)

Fig.6 Sensitivity Angle (Vertical Direction)

Characteristics (TYP.) (Reference)

0˚

+90˚

100

+30˚

+45˚

+60˚

+75˚

−90˚

−30˚

−45˚

−60˚

−75˚

−15˚

+15˚

80

60

40

20

Ta

=25˚C

Ambient Temperature (˚C)

−20

0

20

40

60

80

100

120

−10

20

80

60

40

10

070

50

30

Unit

NEC

standard transmitter

Relative comparison with reception

distance at

and Ta=25˚C taken as 100%

0˚

+90˚

+30˚

+45˚

+60˚

+75˚

−90˚

−30˚

−45˚

−60˚

−75˚

−15˚

+15˚

100

80

20

40

60

Ta

=25˚C

Fig.4 B.P.F.Frequency Characteristics

(TYP.)

Carrier frequency (kHz)

10

20

30

60

50

40