Sanyo Denki 104-902 D.C. Tachometer Generator

The Sanyo Denki 104-902 D.C. Tachometer Generator is a precision-engineered device designed for highly accurate rotational speed measurement in a range of industrial and commercial applications. Known for its reliability and performance, this tachometer generator is commonly used in motion control systems, machine tools, and feedback systems, where precision speed feedback is essential.

1. Basic Specifications

• Model: 104-902
• Type: D.C. Tachometer Generator
• Output Voltage: Typically rated in mV or V per 1000 RPM, specific to the calibration and model variant.
• Nominal RPM Range: This model operates optimally across a standard range of RPMs, providing accurate and linear feedback.
• Polarity: The device features bidirectional polarity, allowing it to output positive or negative voltages based on the rotational direction.

2. Mechanical Design and Build

• Housing: The 104-902 is enclosed in a rugged, vibration-resistant metal housing that can withstand harsh industrial environments.
• Shaft Type: Equipped with a robust, wear-resistant shaft for stable performance over long-term operation.
• Mounting Compatibility: Features a standard mounting flange to fit with various machine and motor setups, making it versatile across applications.
• Temperature Tolerance: The tachometer can operate effectively within a wide temperature range, ensuring stable output in extreme conditions.

3. Electrical Characteristics

• Power Supply: This tachometer generator requires a standard D.C. power source.
• Output Voltage Characteristics: Output voltage is proportional to the speed of the shaft rotation, with precise voltage responses per RPM unit, allowing it to provide linear and consistent feedback.
• Low Noise Output: The design incorporates noise suppression features to ensure minimal interference in signal output, critical for sensitive applications where accurate speed feedback is paramount.
• Signal Stability: Sanyo Denki employs advanced circuitry to maintain signal stability, which ensures that fluctuations in environmental or operational conditions do not impact the tachometer’s output accuracy.

4. Performance and Accuracy

• High Linearity: The 104-902 provides a linear output across its operating range, minimizing calibration needs and making it reliable for long-term use without frequent adjustments.
• Accuracy: The tachometer is calibrated to achieve a high degree of accuracy, typically within a minimal percentage of deviation across its rated RPM.
• Dynamic Response: Quick response to RPM changes ensures immediate feedback in applications with rapid speed adjustments, ideal for motor control and servo systems.

5. Applications

• Motor Speed Control: Utilized in DC and AC motors to monitor and control speed, ensuring systems maintain optimal operational levels.
• Machine Tools: Provides real-time speed feedback for machine tools that require precision rotation control, enhancing machining accuracy and reducing downtime.
• Robotics and Automation: Integral to automation systems for monitoring robotic arm speed and rotational components, contributing to improved accuracy in automated manufacturing.

6. Maintenance and Lifespan

• Minimal Maintenance: Due to its durable construction and high-quality components, the 104-902 requires minimal maintenance over its lifespan.
• Longevity: With proper installation and usage, this tachometer generator is known for long operational life, supported by Sanyo Denki’s rigorous quality control standards.
• Calibration: Though designed for longevity, periodic calibration can ensure continued precision, especially in high-demand applications.

Conclusion

The Sanyo Denki 104-902 D.C. Tachometer Generator is a highly reliable and accurate device designed for a broad range of industrial applications where precise rotational speed feedback is essential. Its robust construction, linear output, and low noise characteristics make it an excellent choice for industries looking to maintain consistent and precise speed control across various machines and automated systems.