Background Suppression Photoelectric Sensor, 5cm/25cm/30cm

SKU: SUCH-PHOS-25NFB
$104.71
● 0.2-5cm/0.5-25cm/0.5-30cm ● NPN, PNP, NPN NO/NC, PNP NO/NC ● Background suppression type ● Red light (640nm)
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🚚 Free shipping
🕒 Delivery date: 6-12 days
🔁 30-day Returns
Overview

High-performance background suppression photoelectric sensors available for sale, featuring an advanced 640nm red light source and a 7mm focused spot design. Multiple detection ranges are selectable: 0.2–5cm, 0.5–25cm, and 0.5–30cm. Equipped with a 5-turn knob for precise distance adjustment, effectively eliminating background interference issues common in traditional sensors. Supports NPN/PNP and NO/NC output configurations with ≤1ms response time, suitable for diverse automation machinery and conveyor systems.

Feature

Background suppression photoelectric sensor feature

  • Background suppression photoelectric sensors with IP67 high protection rating deliver long-term stable operation in harsh environments such as dust, moisture, and vibration, providing reliable target detection performance for industrial sites.
  • Featuring background suppression optical design, they maintain consistent detection distance and sensitivity regardless of target color—whether white or black—ensuring precise and stable detection results.
  • SUCH photoelectric sensors feature a clearly visible spot indicator, making installation and debugging more intuitive and efficient. They are suitable for rapid deployment and diverse automation applications.

Dimension (unit: mm)

Background suppression photoelectric sensor dimension

Detail

Background suppression photoelectric sensor details

Output Wiring Diagram

Background suppression photoelectric sensor npn output

NPN Output

Background suppression photoelectric sensor pnp output

PNP Output

Specs
Detection Method Background suppression type
Detection Distance 0.2-5cm/0.5-25cm/0.5-30cm optional
Output Method NPN, PNP, NPN NO/NC, PNP NO/NC
Distance Adjustment 5-turn knob adjustment
NO/NC Adjustment White wire connects to load NC, connects to positive or left floating NO
Spot Size 7mm @ 25cm
Blind Zone Size 5mm
Hysteresis Range <5%
Operating Voltage 10-30VDC
Current Consumption ≤20mA
Load Current ≤100mA
Voltage Drop ≤1V
Light Source Type Red light (640nm)
Protection Circuit Short-circuit protection, polarity protection, overload protection, Zener protection
Response Time ≤1ms
Indicator Light Green light: Power indication
Yellow light: Output indication, overload/short-circuit indication (flashing)
Ambient Light Immunity Sunlight immunity ≤ 10,000 lux
Incandescent light immunity ≤3,000 lux
Operating Temperature –25°C to 55°C
Storage Temperature –25°C to 70°C
Protection Rating IP67
Compliance Standards CE
Material Housing: PC+ABS
Optical element: Plastic PMMA
Connection Method 2m cable
Weight 50g
Application
Wafer pass detection

Wafer Pass Detection

Drill bit in-place detection

Drill Bit Position Detection

Glossy object pass detection

Glossy Object Pass Detection

FAQ

Background suppression photoelectric sensors achieve precise detection by emitting light and utilizing specialized optical structures to analyze the intensity and angle of reflected light. Unlike traditional diffuse reflection sensors, they distinguish distance differences between foreground objects and background surfaces, maintaining stable detection even against dark or highly reflective backgrounds.

Background suppression photoelectric sensors offer more stable detection and are less affected by color variations. Traditional reflective sensors exhibit significant variations in detection distance for darker targets (e.g., black plastic). In contrast, background suppression photoelectric sensors provide nearly identical detection distances for virtually any target.

Not only safeguarding the product itself, but also protecting equipment from damage for enhanced operational safety.

  • Short-Circuit Protection: Safeguards both the sensor and the load from damage during load short-circuit faults.
  • Overload Protection: Automatically protects against increased current caused by unstable or faulty loads.
  • Polarity Protection: Reversed polarity connection of sensor power lines will not damage the product.
  • Zener Protection: Regulates input voltage by providing a stable voltage and protects the circuit from overvoltage.
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