Single Beam Sensor (1 Beam: 80 mm)

EY3A-1081

133

■ Characteristics (Paper Table Glass: t = 6 mm max., Transparency Rate: 90% min.)

(Ta =0

° C to 60° C)

Note: 1. The data shown are initial data.

2. Optical darkness (OD) is defined by the following formula:

P

P

■ Optical Path Arrangement

Note: 1. The part with oblique lines indicates the paper sensing area of the EY3A-1081, which is practically determined by the diameter of the

beam and its tolerance.

2. The non-sensing distance of the EY3A-1081 is determined using a paper with an OD of 0.05.

■ Engineering Data

Item

Characteristic value

Sensing density

Lusterless paper with an OD of 0.7 max. (sensing distance: 80 mm) (see note)

Non-sensing distance

120 mm (from the top of the sensor), OD: 0.05

Paper sensing distance

80 mm (from the top of the sensor)

Ambient illumination

Sunlight: 3,000 lx max., fluorescent light: 2,000 lx max.

OD =

− log

10

10 dia. (see note 1)

Paper supporting plate

Glass

120 (see note 2)

80 (Standard value)

4.75 V

5.0 V

5.25 V

Distance Characteristics (Typical)

Distance (mm)