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Danfoss tachometer same-day rebuild

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Danfoss Tachometer Repair Services by Roc Industrial LLC

Is your Danfoss tachometer malfunctioning, causing downtime and impacting your operations? Roc Industrial LLC specializes in providing fast, reliable, and expert Danfoss tachometer repair services. We understand the critical role tachometers play in monitoring and controlling rotational speed in various industrial applications. Whether it's a simple sensor issue or a complex electronic failure, our experienced technicians are equipped to diagnose and repair your Danfoss tachometer quickly and efficiently. Trust Roc Industrial LLC to get your equipment back up and running with minimal disruption. We offer free evaluations, warranty-backed repairs, and exceptional customer support.



About Danfoss Tachometers

Danfoss is a globally recognized leader in engineering technologies that enable the world of tomorrow to do more with less. They meet the growing need for infrastructure, food supply, energy efficiency and climate-friendly solutions. Danfoss tachometers are renowned for their precision, durability, and reliability in demanding industrial environments. These devices are essential for accurately measuring rotational speed in a wide range of applications, from hydraulic systems and electric motors to wind turbines and marine propulsion systems. Danfoss tachometers are designed to withstand harsh conditions and provide accurate feedback for optimal performance and control.


Danfoss tachometers are integral to various industries, including manufacturing, energy, marine, and mobile hydraulics. They provide critical data for monitoring and controlling the speed of rotating equipment, ensuring efficient operation and preventing costly breakdowns. Their applications range from simple speed indication to complex closed-loop control systems, making them a vital component in modern automation and control systems. Roc Industrial LLC understands the importance of these devices and offers comprehensive repair services to keep your operations running smoothly.



Supported Models & Series

We repair a wide range of Danfoss tachometer models and series, including but not limited to:

  • Series: DST X20, DST X30, DST X310, DST X320, DST X330

  • Models: DST P92C, DST P92S, DST P92G, DST J1000, DST J1200

  • Encoder Tachometers: Various models with incremental and absolute encoders

  • Analog Tachometers: Models with 4-20mA output, 0-10V output

  • Digital Tachometers: Models with display and programmable features

  • Hydraulic Tachometers: Designed for hydraulic motor speed monitoring

  • Custom Danfoss Tachometers: We also repair custom-engineered Danfoss tachometers.

If you don't see your specific model listed, please contact us. Our technicians have extensive experience with a wide variety of Danfoss tachometers and can likely assist you with your repair needs.



Common Danfoss Tachometer Problems We Repair

Danfoss tachometers, while robust, can experience various issues over time due to wear and tear, environmental factors, or electrical surges. These failures can lead to inaccurate readings, control system malfunctions, and ultimately, downtime. Roc Industrial LLC specializes in diagnosing and repairing these common problems, ensuring your tachometers operate reliably.

  • No Output Signal: The tachometer fails to produce any output signal, preventing speed measurement.

  • Inaccurate Readings: The tachometer provides incorrect speed readings, leading to control system errors.

  • Intermittent Signal: The output signal fluctuates or drops out intermittently, causing erratic behavior.

  • Encoder Faults: Encoder-based tachometers may experience encoder failures, resulting in inaccurate or missing pulses.

  • Communication Errors: Digital tachometers may experience communication errors with the control system.

  • Overvoltage Damage: Electrical surges can damage the internal circuitry of the tachometer.

  • Physical Damage: Damage to the housing, connectors, or sensor can affect performance.

  • Contamination: Exposure to dust, moisture, or other contaminants can cause corrosion and malfunction.

  • Bearing Failure: Worn or damaged bearings can cause excessive vibration and inaccurate readings.

  • Loose Connections: Loose wiring or connector issues can interrupt the signal path.

  • Power Supply Issues: Internal power supply failures can prevent the tachometer from operating correctly.

  • Calibration Drift: Over time, the tachometer may drift out of calibration, requiring recalibration or repair.


Our Danfoss Tachometer Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure your Danfoss tachometer is restored to optimal performance. Our experienced technicians use specialized equipment and techniques to diagnose and repair a wide range of issues. Here's a step-by-step breakdown of our process:

  1. Free Evaluation and Quote: We offer a free evaluation of your Danfoss tachometer to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees, and you're under no obligation to proceed with the repair.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your tachometer arrives safely at our repair facility. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use advanced diagnostic equipment to pinpoint the root cause of the problem. This includes signal analysis, component testing, and visual inspection.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing faulty components with high-quality replacements. This approach allows us to provide cost-effective and reliable repairs.

  5. Load Testing and Quality Checks: After the repair, we thoroughly test the tachometer under simulated operating conditions to ensure it meets or exceeds original performance specifications. This includes load testing, signal accuracy verification, and vibration analysis.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. If you experience any issues after the repair, simply contact us, and we'll resolve the problem promptly. We also provide ongoing technical support to answer any questions you may have.


Nationwide Repair Services

Roc Industrial LLC provides Danfoss tachometer repair services to customers nationwide. We understand that downtime can be costly, so we offer fast turnaround times and expedited shipping options to minimize disruption to your operations. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help.


We have established partnerships with reliable shipping carriers to ensure your tachometers are transported safely and efficiently. We also offer local pickup and delivery services in select areas. Our goal is to make the repair process as convenient as possible for our customers, regardless of their location.



Why Choose Roc Industrial LLC?

When it comes to Danfoss tachometer repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: With over three decades of experience in industrial electronics repair, we have the knowledge and expertise to handle even the most complex Danfoss tachometer repairs.

  • Warranty-Backed Repairs: We stand behind our repairs with a comprehensive warranty, giving you peace of mind.

  • Thousands of Parts in Stock: We maintain a large inventory of replacement parts, allowing us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, so we offer fast turnaround times, often with same-day service available.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest standards of quality and reliability.

  • Exceptional Customer Support: Our dedicated customer support team is available to answer your questions and provide assistance throughout the repair process.

Don't let a faulty Danfoss tachometer slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for all your Danfoss tachometer repair needs. We offer free evaluations and warranty on all repairs.

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