What the SICK DT50-2B415252 Distance Sensor Delivers

The SICK DT50-2B415252 is a Dx50-2 next-generation distance sensor that uses HDDM™ optical time-of-flight measurement to detect natural objects up to 20,000 mm. Its dual digital and analog interface, combined with a -40 °C to +65 °C operating range, makes it a dependable choice for mission-critical positioning tasks in oil and gas operations.

Engineers specifying sensors for demanding environments need more than a datasheet headline. They need a device whose measurement principle, electrical interface, and environmental ratings align with the application. This unit addresses these requirements through a combination of HDDM™ technology, flexible output options, and rugged housing construction.

Key Features and Technical Specifications

• Measurement Principle: HDDM™ optical time-of-flight for direct diffuse measurement on natural objects.
• Measuring Range: 200 mm to 20,000 mm at 90% remission; 200 mm to 8,000 mm at 18% remission; 200 mm to 4,000 mm at 6% remission.
• Light Source: Visible red laser diode, 658 nm, Class 2 per IEC 60825-1:2014, average power below 1 mW.
• Supply Voltage: DC 10 V to 30 V with reverse-polarity protection.
• Power Consumption: ≤ 2.1 W.
• Output and Communication: Digital output Q1 (push-pull PNP/NPN) or IO-Link V1.1; analog output QA configurable as 4 mA to 20 mA or 0 V to 10 V, 16-bit.
• Response Time: 0.83 ms to 75 ms, configurable via speed settings.
• Repeatability: ≥ 0.5 mm to 5 mm.
• Measurement Accuracy: Typ. ± 7 mm.
• Operating Temperature: -40 °C to +65 °C; storage -40 °C to +75 °C.
• Enclosure Protection: IP65 and IP67 per EN 60529.
• Housing: Zinc die-cast (ZNAL4CU1) with acrylic glass (PMMA) optical window.
• Electrical Connection: M12 male connector, 5-pin.
• Dimensions: 36.2 mm x 67.3 mm x 58 mm; weight approximately 235 g.

Why This unit Suits Oil and Gas Applications

This unit is built for demanding environments where temperature extremes and contamination are routine. Its -40 °C to +65 °C operating range covers both cold-climate installations and hot process areas without requiring an internal heater. Meanwhile, the IP65 and IP67 ratings protect against dust ingress and water jets, supporting reliable operation in washdown or outdoor locations.

HDDM™ time-of-flight technology enables direct measurement on natural surfaces up to 20 m, reducing the need for reflectors or targets. This is particularly valuable in tank level monitoring, crane positioning, and material handling within oil and gas facilities. The dual interface provides simultaneous digital switching and analog output, allowing integration with existing control systems while offering IO-Link V1.1 for advanced diagnostics and parameterization.

Installation and Integration Guidance

Mount the sensor using its zinc die-cast housing, ensuring a clear line of sight to the target. The M12 5-pin connector simplifies wiring to standard industrial cables. For IO-Link V1.1 networks, a suitable IO-Link master is required; confirm cable and gateway compatibility with PetroPartsOnline. The configurable response time and analog output scaling allow adaptation to specific control loop requirements.

When integrating into fieldbus architectures, note that wiring into such networks may require an external gateway or connection module. Verify all electrical connections against the supply voltage range of DC 10 V to 30 V and observe reverse-polarity protection guidelines.

Maintenance and Reliability

Periodic inspection of the optical window is recommended to maintain measurement accuracy. The PMMA window should be cleaned according to site procedures, avoiding abrasive materials. The sensor's repeatability of ≥ 0.5 mm to 5 mm and typical accuracy of ± 7 mm provide a baseline for performance verification. In harsh oil and gas environments, routine checks of the connector and housing integrity help prevent unplanned downtime.

Frequently Asked Questions

What is the measuring range of the SICK unit?

This unit measures from 200 mm to 20,000 mm on objects with 90% remission. For 18% remission, the range is 200 mm to 8,000 mm; for 6% remission, it is 200 mm to 4,000 mm.

Can This unit operate in extreme temperatures?

Yes, the operating temperature range is -40 °C to +65 °C, and storage is rated for -40 °C to +75 °C. No internal heater is required.

What output options does This unit provide?

It offers a digital push-pull output (PNP/NPN) and IO-Link V1.1, plus a configurable analog output (4 mA to 20 mA or 0 V to 10 V, 16-bit).

How is This unit powered?

The sensor requires a supply voltage of DC 10 V to 30 V and consumes ≤ 2.1 W. The M12 5-pin connector provides the electrical connection.

What is the enclosure rating of This unit?

It is rated IP65 and IP67 per EN 60529, making it suitable for dusty and wet industrial environments.

Contact PetroPartsOnline for parts suited to your application's requirements.

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