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Used same in Fujian, China

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    Bently Nevada 3500/50 286566-02 P TachoMeter Module

    • Manufacturer: Bently Nevada

    Bently Nevada’s 3500/50M Tachometer Module (part number 286566-02) is a purpose-built workhorse for industrial machinery monitoring—specifically designed to keep a close eye on the rotational health of critical e...

    Xiamen, China
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    MPC4 Vibration 200-510-078-115 Machinery Protection Card

    • Manufacturer: vibration

    Meggitt Sensing Systems’ Vibro-Meter® VM600 series machinery protection system (MPS) hinges on the MPC4 machinery protection card—this isn’t just another component; it’s the literal heart of the entire system, de...

    Xiamen, China
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    Bently Nevada 3300/50-02-01-00-00 Tachometer Monitor

    • Manufacturer: Bently Nevada

    Product Type: A single-channel shaft vibration monitor, it must be used with compatible 8mm eddy current probes (e.g., 330103 series), extension cables, and proximitors of the same series. It only monitors the vi...

    Xiamen, China

Overview

Feedback devices are sensors and transducers—encoders, resolvers, tachometers and position sensors—used on crawler loaders and heavy equipment to provide real-time data on position, speed and direction. They enable precise control of hydraulics, drive systems and automation, and support diagnostics and safety functions. Buyers choose based on resolution, environmental rating (IP), electrical interface (analog, digital, CAN), mounting, shaft size and compatibility with the machine’s controller.

FAQ

How do I ensure a feedback device is compatible with my crawler loader?

Match electrical interface (voltage, signal type, CAN), mechanical mounting, shaft diameter, resolution and connector pinout to your controller. Provide the OEM part number or controller specs to the seller and ask for a datasheet.

What should I check when buying a used feedback device?

Inspect for shaft play, corrosion, water ingress, damaged connectors and seals. Request recent test reports, output waveform checks and serial numbers. Verify calibration history and spare-part availability.

How should feedback devices be shipped to avoid damage?

Pack with shaft caps, anti-static wrap, desiccant and vibration-damping material inside a sturdy crate. Label fragile, insure the shipment and include a parts list and datasheet for customs if shipping internationally.

What maintenance and calibration do feedback devices need?

Routine checks include visual inspection, connector cleaning, seal integrity and output testing. Calibrate after repairs, impacts or annually depending on usage. Replace bearings, seals or the unit if accuracy degrades.