5430-933
MPU Kit with 4.5-Inch 250-Ohm Magnetic Pickup · Magnetic Speed Pickup Kit for Woodward Industrial Turbine Speed-Sensing Hardware
Lifecycle note: Use the unit nameplate and current Woodward documentation as final references before approving a replacement.
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+86 15359408275MPU Kit with 4.5-Inch 250-Ohm Magnetic Pickup · Woodward Industrial Turbine Speed-Sensing Hardware
Woodward 5430-933 is the MPU kit identified in Woodward catalog 25182 as kit 1680-631. The assembly combines a 0.625-18 magnetic pickup, 4.5-inch probe length, 250-ohm coil and included connector for compatible industrial turbine speed-sensing applications.
Woodward 5430-933 generates an alternating signal as ferrous gear teeth pass the magnetic pickup tip. Signal frequency represents rotational speed, while signal amplitude depends on surface speed, tooth geometry, air gap, cable condition and the connected control input.
The 4.5-inch body permits installation where the sensing point is recessed from the mounting surface. The 0.625-18 thread, electrical resistance and connector must match the existing bracket, gear and control circuit; probe length alone does not prove compatibility.
Install Woodward 5430-933 with the engine or turbine secured against rotation. Set the pickup air gap using the equipment procedure, lock the sensor without tip contact, route shielded wiring away from ignition and power conductors, and verify cranking and rated-speed signal levels before service.
| Manufacturer | Woodward |
|---|---|
| Model | 5430-933 |
| Product type | Magnetic Speed Pickup Kit |
| System family | Woodward Industrial Turbine Speed-Sensing Hardware |
| Kit identification | MPU Kit 1680-631 |
| Thread | 0.625-18 |
| Probe length | 4.5 inches |
| Coil resistance | 250 ohms |
| Connector | Included |
| Primary function | Ferrous-tooth speed sensing |
Use the installed-unit nameplate, current Woodward documentation and approved site engineering records as the final references.
Woodward catalog 25182 identifies Woodward 5430-933 as MPU kit 1680-631 with a 0.625-18 thread, 4.5-inch probe length, 250-ohm coil and included connector. Confirm all characteristics because nearby MPU kits use different lengths, resistance or threads.
Woodward 5430-933 is used where a compatible Woodward control requires a magnetic speed signal from a ferrous-tooth gear. Suitability depends on gear geometry, rotational speed, mounting depth, air gap, cable and controller input requirements.
Set the Woodward 5430-933 air gap using the prime-mover or control-system installation procedure, normally by referencing the gear tooth and backing off by the specified amount. Prevent physical contact through the full runout and temperature range.
Use the specified connector and shielded twisted pair for Woodward 5430-933, route the cable away from ignition and high-current wiring, and terminate the shield according to the control manual. Check continuity and insulation before connecting the speed-control input.
Measure the Woodward 5430-933 signal during cranking and at operating speed, then compare amplitude and frequency with the controller requirements. Verify stable indication across the speed range and inspect for noise, dropouts, looseness or gear-to-tip contact.
No. Woodward 5430-933 also requires the correct 0.625-18 thread, 4.5-inch length, connector, mounting depth and application. Multiple magnetic pickups can share a nominal resistance while differing mechanically or in approved installation use.
Compare thread, body length, coil resistance, connector, cable, gear tooth form, operating speed, required signal amplitude and bracket depth before replacing an MPU with Woodward 5430-933. Re-establish and test the air gap after installation.
Specify Woodward 5430-933 and cross-reference MPU kit 1680-631. Provide the original pickup nameplate, thread, length, resistance, connector, cable requirement, gear details and installed control model to verify the correct speed-sensing kit.
Woodward industrial turbine products catalog 25182 lists Woodward 5430-933 with its kit number, thread, length, resistance and connector status. Use the applicable control and prime-mover manuals for exact air-gap, wiring and minimum-signal requirements.
Send the complete model, part number, revision, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
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