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  • ASHCROFT PRESSURE SWITCH APSNSDLS05

    ASHCROFT PRESSURE SWITCH APSNSDLS05

    • Manufacturer: Ashcroft

    “This is ASHCROFT PRESSURE SWITCH APSNSDLS05. This item in brand new but the package has been opened as you can see in the photos. Sold as is.” This is a ASHCROFT PRESSURE SWITCH APSNSDLS05. Please review all pho...

    $2,100 USD
    Holbrook, NY
  • HONEYWELL NEI 08815 200FL1-256 POTENTIOMETER

    HONEYWELL NEI 08815 200FL1-256 POTENTIOMETER

    • Manufacturer: Honeywell

    “These are HONEYWELL NEI 08815 200FL1-256 POTENTIOMETERS. These potentiometers are brand new but show some signs of wear from sitting around the warehouse for some time.” This is a HONEYWELL NEI 08815 200FL1-256 ...

    $2,000 USD
    Holbrook, NY
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    Bently Nevada 133442-01 3500 Series Tachometer I/O Module

    • Manufacturer: Bently Nevada

    The steps to install the 133442-01 I/O module are as follows: Installation steps Preparation Make sure the power is off to avoid electric shock or equipment damage. Prepare necessary tools such as screwdrivers, w...

    Xiamen, China
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    IS220PTCCH1A Thermocouple Input Module

    • Manufacturer: GE
    • Model: IS220PTCCH1A

    IS220PTCCH1A Thermocouple Input Module The IS220PTCCH1A is a thermocouple input module manufactured by GE (General Electric) and is part of the Mark VIe series. Here are its detailed specifications: Main Specifi...

    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.