
Product Introduction
Our Ultra-compact Photoelectric Sensor EX-20 Series Ver.2 features a built-in amplifier and ultra-compact housing. It supports M3 screw mounting for installation in narrow equipment spaces. Equipped with red LED point light source, it delivers clear optical axis for easy alignment confirmation. Multiple sensing types are available including through-beam, retro-reflective and diffuse-reflective, complying with CE and UL certifications for industrial automation usage.
Key Benefits
▶Ultra-compact dimension: Tiny body allows M3 screw mounting inside confined narrow spaces of automation equipment.
▶Long sensing distance: Through-beam type reaches 2 m, retro-reflective type up to 200 mm, diffuse-reflective type achieves 160 mm for diverse detection tasks.
▶Clear red LED point light source: Narrow light spot helps quick visual alignment and position confirmation during on-site commissioning.

Technical Specifications
|
Item |
Parameter |
|
Power Supply |
12 V DC-24 V DC ±10 % |
|
Output Type |
NPN open-collector transistor / PNP open-collector transistor |
|
Response Time |
0.5 ms or less |
|
Protection Class |
IP67(IEC) |
|
Ambient Temperature |
-25 ℃ ~ +55 ℃ |
|
Mounting Screw |
M3 screw |
|
Sensing Types |
Through-beam, Retro-reflective, Diffuse-reflective, Limited-reflective |
Applications & Components
▶Small-size equipment part presence detection: Fits compact automation devices to judge whether small workpieces are in place.
▶Conveyor line object detection: Works for wide-range conveying equipment to detect passing products on production lines.
▶Precision assembly position checking: Clear red light spot assists position confirmation during precision component assembling.


Why Choose This Machine
Our Ultra-compact Photoelectric Sensor EX-20 Series Ver.2 combines mini size and long detection range, avoiding performance loss caused by miniaturization. Visible red LED spot simplifies field alignment without extra tools. IP67 protection and wide-temperature design adapt to various workshop conditions. Multiple model options match different workpiece and installation demands, with CE and UL certifications for export equipment projects.
Part of Your Smart Factory
EX-20 Series Ver.2 Ultra-compact Photoelectric Sensor acts as a compact detection unit for smart factory automated stations. Its M3-mount tiny size fits densely-arranged mechanical structures. It can be installed on assembly jigs and conveyor lines to deliver reliable detection signals to control systems, supporting stable operation of sorting and assembly processes for smart manufacturing.

FAQ
Q: What benefit comes with the red LED point-light source?
A: Visible red light spot allows technicians to complete optical-axis alignment rapidly, greatly shortening on-site commissioning time.
Q: What is the merit of diverse sensing type selections?
A: Multiple sensing types including through-beam and diffuse-reflective can cope with different workpiece materials and detection distances, one series covers most detection demands.
Q: Why is M3 screw mounting design beneficial?
A: Small-size M3 mounting hole adapts to narrow equipment space, easy for designers to reserve installation position in compact mechanical structure.
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