| Exact ordering identity | 330878-X0-00 MOD 177889-01 |
| Official family | 3300 XL 50 mm Proximity Transducer System |
| Measurement role | Converts probe gap into a conditioned voltage signal for machinery monitoring |
| Configuration note | X0-00 and MOD 177889-01 identify a modified unit; confirm the nameplate, total system length and modification record before replacement |
1 — Probe: the 3300 XL 50 mm probe observes shaft or target movement without contact.
2 — Extension cable: completes the calibrated electrical length specified for the transducer system.
3 — Proximitor Sensor: supplies the probe circuit and delivers the conditioned displacement signal.
4 — Monitoring system: uses the signal for differential expansion, rotor position or other approved machinery measurements.
| Linear range | 27.9 mm (1100 mils) |
| Nominal scale factor | 394 mV/mm (10 mV/mil) |
| Mounting formats | Panel mount or DIN rail configurations in the standard ordering structure |
| Field termination | SpringLoc terminal design for secure wiring |
| Operating temperature | −51 °C to +100 °C |
| Storage temperature | −51 °C to +105 °C |
The extended linear range supports large machinery measurements such as steam-turbine differential expansion and other applications requiring greater target travel than shorter-range proximity systems.
Its thin housing, mounting choices, RFI/EMI immunity and field terminals are designed for practical integration into machinery protection and condition-monitoring cabinets.
| Verify the label | Full part number, MOD reference and approval marking |
| Verify the system | Probe family, extension cable and total electrical length |
| Verify installation | Mounting method, terminal layout, clearances and environmental requirements |
| Verify the measurement | Target material, range, scale factor and monitor input configuration |
Can this Proximitor Sensor be replaced by part-number prefix alone?
No. The complete suffix, MOD reference, electrical length and approval requirements must be matched.
What should be checked if the output is unstable?
Inspect power, grounding, cable routing, connector condition, terminal security, target geometry and probe gap before replacing hardware.
Can a probe or extension cable from another range be mixed into the loop?
Use only components approved for the 3300 XL 50 mm transducer system and its required total length.
| 01 / Identify | Review full model, suffix, MOD reference, nameplate photo, quantity and destination. |
| 02 / Verify | Check family compatibility, system length, mounting, terminals and approval needs. |
| 03 / Quote | State condition, lead time, commercial terms, packing scope and delivery method clearly. |
| 04 / Inspect | Confirm identity and visible condition; testing scope is documented in the quotation. |
| 05 / Protect | Use protective packing suitable for terminals, connectors and international transport. |
| 06 / Support | Provide shipment tracking, receiving guidance and return authorization under written terms. |
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