5

E3HF

E3HF

Dimensions

Unit: mm

Using slits reduces the sensing distance and allows smaller

objects to be detected.

I SLITS FOR THROUGH-BEAM

Through-beam Type

Light Source

Receiver

Diffuse Reflective Type

Three pairs of slits are supplied with E3HF-1E1 and E3HF-1E2

sensors. The slits are decals that can be peeled off the protective

backing sheet and applied to the emitter and receiver. See table

below for dimensions of slit openings.

Slit width

0.5 mm (0.020 in)

1 mm (0.039 in)

2 mm (0.079 in)

Sensing distance

12 cm (4.74 in)

20 cm (7.87 in)

40 cm (15.75 in)

Minimum detectable object size

0.5 mm (0.020 in)

1 mm (0.039 in)

2 mm (0.079 in)