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G44 Photoelectric Switch

G44 Photoelectric Switch

Advantage

> Clean production environment

> Full automatic testing with various tests

> Standardized production process with trained workers

> Low failure ratio and 24-month warranty

> Strong R&D and engineering support

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G44 Photoelectric Switch

 

 

 

Principle of photoelectric switch

The working principle of the photoelectric switch is that when the beam
emitted by the emitter is blocked or partly reflected by the object, the
beam receiver whereby makes a judgment and reacts.

   

Description

Throuht-beam type

Through-beam bype photoelectric switch is designed that via the light
beam between opposite-mounted transmitter and receiver, the object
passing through these two devices will interrupt the light beam and start
the receiver.(Fig.R1)

Diffuse type

Diffuse reflection type photoelectric switch integrates the transmitter
and the reciver. Light reflected by the photoelectric switch is reflected
back to the receiver by the detected object.(Fig.R2)

Retroreflective type

Retroreflective type photoelectric switch also integrates the transmitter
and the receiver, Its difference from other models is that reflecotr is used
to relfect light to the photoelectric switch. Though the object between
the photoelectric switch and reflector can reflect the light, it is much less
efficient than the reflector so as to cut down reflected light.(Fig.R3)

Convergence reflection type (condensation type)

The working principle of convergence reflection type photoswitch is
similar to that of direct reflection type one, while its projector and light
receiver focus on boject distance, only when the object presents to the
focus can the photoswitch actuate.(Fig.R4)

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