Products Detail


Photoelectric SwitchBuilt-in Amplifier
This product is no longer in production or sales.

High Functions and Water-proof!



-> Protective structure is IP67.
-> Connector type for easy maintenance is lined-up.
-> Stable lamp provides.
-> Installing strength is twice because inserting fitting metal is applied.
-> Both PNP and NPN output are lined-up.
-> Detecting distance is 10m for through-beam type, is 2.6m for retro-reflection type and is 0.5m for diffuse reflection type.


Kind Through-beam type Retro-reflection type Diffuse-reflection type
Basic Short-distance
Mode No. Cable PEX-105C PEX-105A PEX-263C PEX-263A PEX-501C PEX-501A PEX-002C
Connector PEX-105C-J PEX-105A-J PEX-263C-J PEX-263A-J PEX-501C-J PEX-501A-J PEX-002C-J
Power source 10 to 30VDC(Ripple 10% or less)
Current consumption Projector : 20mA or less, Receiver : 15mA or less
Light source Red LED
Detecting distance 10m 2.6m*1 0.5m*2 1 to 70mm*2
Detectable objects Opaque objects with φ12mm or more Opaque objects with φ50mm or more*1 Transparent/opaque objects
Response time 0.5msec or less
Operating mode Changeover by switch(L : Light-ON, D : Dark-ON)
Control output NPN/PNP open-collector, 100mA 30VDC or less, Residual voltage 1.8V 100mA or less
Sensitivity adjuster Fixed*3 Provided
LED Stable lamp : Green LED, Operating lamp : Orange LED*4
Connection Cable : φ3.8mm, 2m long, 3 cores*5, Connector : M8(4 pins) connector
Ambient illuminance Incandescent lamp : 3,000lx or less, Sun light : 10,000lx or less
Ambient temperature/humidity -25 to +55 degrees C(-40 to +70 degrees C 70 degrees C when stored), 35 to 85%RH(35 to 90%RH when stored), Not condensing
Vibration resistance Double amplitude 1.5mm, 10 to 55Hz, each 2 hour in X, Y and Z directions
Impact resistance 1,000m/s2, Each 3 time in X, Y and Z directions
Protective structure IP67(IEC standard)
Case material Body : resin with ABS glass fiber, Lens(Front cover) : PMMA resin
Weight Approx. 50g
Attachment Fitting metal Fitting metal, reflector(RRP-50S-V) Fitting metal
*1 When using RRP-50S-V
*2 Using white paper with 20cm□
*3 PEX-105C-0V01 with sensitivity adjuster is lined-up.
*4 Not provides with projector
*5 Only projector is 2 cores

External dimension

Lead wire type

Lead wire type
*1 Center position of projecting-light for retro/refuse-reflection type.
*2 Center position of projecting/receiving-light for through-beam type and center position of receiving-light for retro/refuse-reflection type.

Connector type

Connector type
*1 Center position of projecting-light for retro/refuse-reflection type.
*2 Center position of projecting/receiving-light for through-beam type and center position of receiving-light for retro/refuse-reflection type.


(Attached to retro-reflection type)

I/O Circuit

Through-beam type projector

Through-beam type projector

NPN output

NPN output

PNP output

PNP output

Connector Pin No.

Connector Pin No.


Before Download

Only members can download the file.
If you have not registered as a member, please register as a member by clicking the "Registration".
If you are already a member, please agree to the following terms and click the "Agree".

License for Downloading Materials

When downloading the product specifications, drawings and various types of materials and software related to the Hokuyo's product line, please read the terms of use in advance and then utilize the same with your understanding and consent. In case of dissent, please understand that you cannot register to and be recognized in the download page. (And the Terms of Use may be revised without prior notice.)

Terms of Use

Intellectual Property Rights
  • Copyrights and the other rights to contents such as sentences, data and software published on this Website (hereinafter referred to as "Contents") are held by Hokuyo or its suppliers.
  • The secondary application (copy, diversion, defacement, analysis, transmission, assignment, rental, licensing, and usage for the purpose of business activities or commercial gain) of the Contents on this Website posted by Hokuyo is strictly prohibited without our prior approval. Specific terms of use described for each download site or Contents shall apply in preference to the Terms of Use.
  • Provision of the Contents on this Website by Hokuyo means neither a transfer of the patent rights, design rights, and/or the other intellectual property rights to inventions and designs in the Contents, nor a grant of any rights based on the intellectual property rights.

Hokuyo pays full attention to the information that appears on this Website, but does not take responsibility for the following items:

  • The information that appears on this Website is always the latest version, and is updated or corrected timely and properly;
  • The information that appears on this Website is accurate, useful and safe;
  • Customer's damage incurred by the use of this Website, including changes or deletions of the information, discontinuation or suspension of the publication; and
  • Any and all damage incurred by using this Website.

Download List

Category File name File size Date modified Download
Manual_LEX (Japanese and English)