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Pepperl+Fuchs RL31-8-1200-RT/73c/136 Diffuse Mode Sensor

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Pepperl+Fuchs RL31-8-1200-RT/73c/136

by Pepperl+Fuchs

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OverviewThe Pepperl+Fuchs RL31-8-1200-RT/73c/136 is an advanced diffuse mode sensor crafted for superior precision and dependability in demanding industrial settings. This high-performing sensor is specifically engineered to accurately identify objects across an adaptable range of 0 to 1200 mm. Its integrated push-pull (4-in-1) output ensures consistent compatibility and reliable signaling across various automation systems, offering both PNP and NPN functionalities. Built with a compact design and an exceptional IP67 protection rating, the RL31-8-1200-RT/73c/136 exemplifies robustness and efficiency, making it an ideal choice for harsh operational environments where consistent performance is critical. From material handling to intricate assembly lines, this sensor provides the accuracy and resilience required by modern industrial applications.Key Features Flexible Detection Range: Provides an adjustable sensing distance from 0 to 1200 mm, enabling precise object detection tailored to diverse industrial needs and application configurations. Adaptable Output Type: Equipped with a sophisticated push-pull (4-in-1) output, this sensor supports both PNP and NPN connections, simplifying integration with existing control systems and boosting operational flexibility. Optimized Light Emission: Utilizes modulated visible red light (630 nm) for enhanced object recognition, ensuring consistent and highly accurate detection even in environments with varying ambient light levels. Compact and Durable Construction: Featuring a slender profile with dimensions of 62 mm (height) × 18 mm (width) × 35 mm (depth), it allows for easy installation in confined spaces without compromising performance. Superior Environmental Shielding: Boasts an IP67-rated enclosure, providing comprehensive protection against dust and water ingress, thereby increasing the sensor's lifespan and reliability in rugged industrial conditions. Broad Operating Temperature Tolerance: Capable of functioning flawlessly across a wide temperature spectrum from -30°C to +55°C, ensuring consistent operation in extreme thermal environments. Secure Connectivity: Features a robust 4-pin M12 x 1 connector, guaranteeing a stable electrical connection for uninterrupted data transmission. Clear Status Indication: Includes a green LED for power status and a yellow LED for signal indication, offering immediate visual feedback on the sensor's operational state. Technical Specifications Model Number: RL31-8-1200-RT/73c/136 Adjustable Detection Range: 0 to 1200 mm Reference Target: Standard white, 100 mm × 100 mm Light Source: LED, 630 nm Light Type: Modulated visible red light Diameter of Light Spot: Approximately 25 mm at 1.2 m distance Opening Angle: 2° Ambient Light Limit: 50,000 Lux (according to EN 60947-5-2) Operating Voltage: 10 to 30 V DC Ripple: 10% No-Load Supply Current: ≤ 20 mA Switching Type: Light-on Signal Output: 2 push-pull (4-in-1) outputs, short-circuit and reverse polarity protected Switching Voltage: Max. 30 V DC Switching Current: Max. 100 mA Voltage Drop: ≤ 1.5 V Switching Frequency: ≤ 500 Hz Response Time: ≤ 1 ms Housing Material: Polycarbonate Optical Face Material: PMMA Degree of Protection: IP67 Connection Type: 4-pin M12 x 1 connector Dimensions: 62 mm (H) × 18 mm (W) × 35 mm (D) Weight: Approximately 25 g Compliance: EN 60947-5-2 ApplicationsThis diffuse mode sensor is an ideal solution for a variety of industrial applications, enhancing efficiency and reliability across different sectors. Material Handling Systems: Optimizes conveyor operations through precise object sensing for efficient sorting, accurate positioning, and streamlined logistics within automated warehouses and manufacturing facilities. Packaging Industry: Improves quality control and operational efficiency by reliably verifying item presence, ensuring correct product count, and maintaining packaging integrity on high-speed production lines. Automotive Manufacturing: Facilitates seamless assembly processes by providing high-accuracy part detection, supporting robotic guidance, and ensuring precise component placement. Why Choose the Pepperl+Fuchs RL31-8-1200-RT/73c/136?The RL31-8-1200-RT/73c/136 sensor stands out for its combination of advanced features and robust construction. Its flexible detection range and versatile output make it adaptable to numerous industrial scenarios, while its high protection rating ensures longevity in challenging environments. This sensor is engineered to provide consistent, accurate performance, which is essential for maintaining operational efficiency and reducing downtime in automated processes.Order NowEnhance your industrial automation systems with the precision and reliability of the Pepperl+Fuchs RL31-8-1200-RT/73c/136 diffuse mode sensor. Contact us today to learn more or to place your order.FAQWhat is the detection range of this sensor?The sensor offers an adjustable detection range from 0 to 1200 mm, allowing for flexible application in various industrial settings.What kind of output does the RL31-8-1200-RT/73c/136 provide?It features a sophisticated push-pull (4-in-1) output, supporting both PNP and NPN connections for versatile integration into existing control systems.Is this sensor suitable for harsh industrial environments?Yes, with its IP67 protection rating and wide operating temperature range of -30°C to +55°C, it is designed for exceptional reliability and durability in demanding conditions.

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PRODUCT DETAILS

Pepperl+Fuchs RL31-8-1200-RT/73c/136

Overview

This is a genuine Pepperl+Fuchs component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Pepperl+Fuchs catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Pepperl+Fuchs automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pepperl+Fuchs equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model Number: RL31-8-1200-RT/73c/136
  • Adjustable Detection Range: 0 to 1200 mm
  • Reference Target: Standard white, 100 mm × 100 mm
  • Light Source: LED, 630 nm
  • Light Type: Modulated visible red light
  • Diameter of Light Spot: Approximately 25 mm at 1.2 m distance
  • Opening Angle: 2°
  • Ambient Light Limit: 50,000 Lux (according to EN 60947-5-2)
  • Operating Voltage: 10 to 30 V DC
  • Ripple: 10%
  • No-Load Supply Current: ≤ 20 mA
  • Switching Type: Light-on
  • Signal Output: 2 push-pull (4-in-1) outputs, short-circuit and reverse polarity protected
  • Switching Voltage: Max. 30 V DC
  • Switching Current: Max. 100 mA
  • Voltage Drop: ≤ 1.5 V
  • Switching Frequency: ≤ 500 Hz
  • Response Time: ≤ 1 ms
  • Housing Material: Polycarbonate
  • Optical Face Material: PMMA
  • Degree of Protection: IP67
  • Connection Type: 4-pin M12 x 1 connector
  • Dimensions: 62 mm (H) × 18 mm (W) × 35 mm (D)
  • Weight: Approximately 25 g
  • Compliance: EN 60947-5-2

Applications

This diffuse mode sensor is an ideal solution for a variety of industrial applications, enhancing efficiency and reliability across different sectors.

  • Material Handling Systems: Optimizes conveyor operations through precise object sensing for efficient sorting, accurate positioning, and streamlined logistics within automated warehouses and manufacturing facilities.
  • Packaging Industry: Improves quality control and operational efficiency by reliably verifying item presence, ensuring correct product count, and maintaining packaging integrity on high-speed production lines.
  • Automotive Manufacturing: Facilitates seamless assembly processes by providing high-accuracy part detection, supporting robotic guidance, and ensuring precise component placement.

Why Choose the RL31-8-1200-RT/73c/136?

The RL31-8-1200-RT/73c/136 sensor stands out for its combination of advanced features and robust construction. Its flexible detection range and versatile output make it adaptable to numerous industrial scenarios, while its high protection rating ensures longevity in challenging environments. This sensor is engineered to provide consistent, accurate performance, which is essential for maintaining operational efficiency and reducing downtime in automated processes.

Availability & Shipping

  • In stock: RL31-8-1200-RT/73c/136 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every RL31-8-1200-RT/73c/136 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Pepperl+Fuchs

The sensor offers an adjustable detection range from 0 to 1200 mm, allowing for flexible application in various industrial settings.

Machine down? We ship parts the same day.

New, surplus, and refurbished Pepperl+Fuchs inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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