Polarized Retro Reflective Photoelectric Sensor, 2m

0 review(s) | Add your review

SKU: SUCH-PHOS-FGYS18

$125.62

● 2m detection distance ● NPN/PNP, NO/NC ● Transparent object detection ● Accessories: M18 nut, reflector

Output Mode *

Qty:

🚚 Free shipping

🕒 Delivery date: 6-12 days

🔁 30-day Returns

Overview
Specs
Application
FAQ
Reviews

Overview

High-precision polarized retro-reflective photoelectric sensors for transparent object detection utilize 640nm red light with a polarized filter structure, achieving an effective detection range of up to 2 meters. The retro-reflective sensors support multiple output modes including NPN NO/NC, PNP NO/NC easily switchable via a white line. Green and yellow LED indicators provide power and operational status alerts respectively, enabling users to quickly assess sensor functionality.

Feature

Polarized retro reflective photoelectric sensor feature

Polarized retro-reflective photoelectric sensors effectively suppress specular reflection interference through polarization filter technology, maintaining high reliability when detecting transparent objects, bright metal surfaces, or highly reflective materials.
Retro-reflective photoelectric sensors utilize a reflector-mounted structure for simple installation and easy alignment, providing stable switching output over extended detection distances.
Exceptional ambient light immunity ensures accurate target recognition even under intense illumination or complex background conditions.
This type of photo sensor features fast response speed and broad applicability. It includes adjustable NPN and PNP normally open/normally closed functions, meeting diverse requirements across packaging, logistics, food processing, and automated production lines.

Dimension (unit: mm)

Polarized retro reflective photoelectric sensor dimension

Detail & Wiring Diagram

Polarized retro reflective photoelectric sensor wiring and detail

Detection

Polarized retro reflective photoelectric sensor detection objects

Note: The above list includes only some of the detectable objects.

Output Wiring Diagram

NPN Output

PNP Output

Specs

Detection Method	Transparent object detection
Detection Distance	2m
Light Source Type	Red light (640nm)
Spot Size	45*45mm @ 100cm
Standard Target	Transparent objects with diameter > 35mm and transmittance ≥ 15%
Output Model	NPN NO/NC, PNP NO/NC
NO/NC Adjustment	White wire to positive terminal → NO mode, white wire to negative terminal → NC mode
Supply Voltage	10–30V DC
Current Consumption	≤20mA
Max Load Current	≤200mA
Voltage Drop	≤1V
Distance Adjustment	Single-turn potentiometer
Protection Circuits	Short-circuit protection, polarity protection, overload protection
Indicator LED	Green LED: Power, stable indication
Indicator LED	Yellow LED: Output, short-circuit, overload indication
Response Time	≤0.5ms
Ambient Light Immunity	Sunlight interference resistance ≤ 10,000 lux
Ambient Light Immunity	Incandescent light interference resistance ≤ 3,000 lux
Operating Temperature	-25°C to +55°C
Storage Temperature	-35°C to +70°C
Protection Rating	IP67
Certification	CE
Housing Material	PC + ABS
Optical Component	PMMA
Connection Type	M12 4-pin connector
Accessories	M18 nuts (2PCS), user manual, reflector

Application

Transparent Container Detection

Plastic Bottle Presence Detection

Bottles of Various Shapes

FAQ

Q1: What is a polarized retro-reflective photoelectric sensor? ❯

The polarized retro-reflective photoelectric sensor is a type of photoelectric sensor that detects objects using polarized light technology and a specialized reflector. It emits red light or laser light with a specific polarization direction, which is then reflected back to the receiver in the same direction via a reflector equipped with a polarizing film. When an object enters the optical path and alters the light's polarization state, the receiver fails to recognize the original polarized light, thereby detecting the object's presence.

Q2: How does a polarized retro-reflective photoelectric sensor work? ❯

The retro-reflective photo sensor's transmitter emits linearly polarized light. The light passes through the reflector and returns to the receiver, forming a stable optical path. If an object obstructs the path or alters the polarization direction (e.g., refraction by transparent objects or scattering by reflective surfaces), the receiver fails to recognize the original polarization, triggering an action signal.

Q3: What are the advantages of polarized retro-reflective photoelectric sensors? ❯

The primary advantages of polarized retro-reflective photoelectric sensors include:

Exceptional interference resistance for highly reflective objects, enabling stable detection of challenging targets such as mirror-finished metals, glass bottles, and transparent packaging films.
Minimal susceptibility to background light and scattered light interference.
Simple installation requires only a reflector to form the detection channel.
Long detection range, suitable for high-speed conveyor lines and packaging equipment.

0 review(s)

Write your own review Close

Review title: *

Review text: *

Rating:

1 2 3 4 5

Polarized Retro Reflective Photoelectric Sensor, 2m

Feature

Dimension (unit: mm)

Detail & Wiring Diagram

Detection

Output Wiring Diagram

NPN Output

PNP Output

Transparent Container Detection

Plastic Bottle Presence Detection

Bottles of Various Shapes

M18 Photoelectric Sensor, 50-300mm/80-500mm/200-1000mm

IR Retro Reflective Photoelectric Sensor, 30–4000mm

Laser Retro Reflective Photo Sensor, 300mm–8m Adjustable

Micro Laser Photoelectric Sensor, 20m, NPN/PNP

Digital Photoelectric Sensor, 100-1500mm

Long Distance Photoelectric Sensor, 30-2000mm