Woodward 5462-408 High-Precision Digital Speed Sensor

Product Overview

The Woodward 5462-408 is a high-precision digital speed sensor designed to convert mechanical rotational speed into an electrical signal for industrial control applications. It offers superior accuracy of ±0.5% with a fine resolution of 0.1 RPM, making it ideal for critical speed monitoring in gas turbines, pumps, fans, and conveyor systems. The sensor features a robust IP67-rated enclosure for excellent environmental protection across an extremely wide operating temperature range.

Key Technical Specifications

• Product Type: Digital Speed Sensor
• Series: Woodward 5462 Series
• Measurement Range: 0 to 10,000 RPM
• Accuracy: ±0.5%
• Resolution: 0.1 RPM
• Output Signal: Frequency or Square Wave
• Supply Voltage: 12 to 24 VDC
• Operating Temperature: -40°C to +85°C
• Enclosure Rating: IP67 (dustproof and water immersion protected)
• Dimensions: 50.8 mm (2.00″) diameter × 38.1 mm (1.50″) height
• Weight: 250 g (8.8 oz)
• Origin: USA

Key Features

• High Precision: ±0.5% accuracy with 0.1 RPM resolution for sensitive measurements
• Wide Speed Range: 0 to 10,000 RPM covers diverse industrial applications
• Dual Output Options: Frequency or square wave signals for broad system compatibility
• Rugged IP67 Housing: Dustproof and protected against water immersion
• Wide Temperature Operation: -40°C to +85°C for extreme environments
• Compact Design: Small footprint for easy installation in tight spaces

Applications

• Gas turbines — accurate speed control for turbine operations
• Pumps — monitoring rotational speed to optimize performance
• Fans — ensuring proper fan speed in ventilation systems
• Conveyors — speed measurement for continuous material handling
• Compressors and expanders

Installation Guide

1. Mount sensor on machine frame with target gear or magnetic pickup wheel
2. Maintain proper air gap between sensor face and target (per Woodward specification)
3. Connect 12–24 VDC power supply
4. Wire frequency or square wave output to control system speed input
5. Verify signal integrity and RPM reading accuracy

FAQ

Q: What is the maximum speed it can measure?
A: 10,000 RPM.

Q: What is the accuracy?
A: ±0.5% of reading.

Q: Is it waterproof?
A: Yes, IP67 rated — protected against dust and temporary water immersion.

Q: What output signal types are supported?
A: Frequency output or square wave output, selectable based on control system requirements.

Model Selection Tips

• 5462-408 = Digital speed sensor for 0–10,000 RPM applications
• Verify target gear specifications (teeth count, material) for proper signal generation
• Confirm control system accepts frequency or square wave inputs
• For analog speed sensors, consider other 5462 series models