Emerson EPRO PR6424/00A-110 Eddy Current Sensor
A suffix-specific PR6424 sensor for non-contact shaft position and vibration measurement.
Overview
PR6424/00A-110 is a configuration of the Emerson EPRO PR6424 eddy current sensor family. PR6424 sensors use a 16 mm tip and are intended for non-contact radial or axial shaft-displacement measurement on large rotating-machine shafts.
The PR642x system is supplied as a calibrated measurement chain comprising sensor, cable and converter. Keep the complete PR6424/00A-110 code with the installed converter, cable termination and mechanical arrangement; do not infer those configuration details from another PR6424 suffix.
Specs
| Manufacturer | Emerson / EPRO |
|---|---|
| Exact Model | PR6424/00A-110 |
| Sensor Family | PR6424 eddy current sensor |
| Sensor Tip Diameter | 16.0 mm |
| Recommended Shaft Class | Large shafts, typically 80 mm diameter or greater |
| Position Range | ±2.0 mm |
| Vibration Range | 100 to 1000 µm peak-to-peak |
| Frequency Range | 0 to 20 kHz |
| Nominal Sensitivity | 4 V/mm (101.6 mV/mil) |
| Sensitivity Tolerance | ±1.5% |
| Sensor Body Thread | M18 × 1.5 |
| Sensor Temperature Range | -35 to +120 °C |
| Sensor-Head Pressure | Up to 10,000 hPa |
| Mechanical Vibration Limit | 5 g at 60 Hz |
| System Pairing | Use with the documented CON0x1/AMS measurement-chain converter and cable arrangement |
| Compliance Context | PR642x measurement systems are designed for API 670 applications |
Features
Non-contact measurement avoids physical wear at the shaft surface.
Sixteen-millimetre sensing tip supports the PR6424 large-shaft measurement geometry.
Factory-calibrated sensor, cable and converter chain maintains the intended scale factor.
Exact /00A-110 identifier remains visible for purchasing and maintenance traceability.
Applications
- Radial shaft vibration monitoring on turbines, compressors and other large rotating machines.
- Axial position or thrust-displacement measurement where the approved probe geometry is used.
- Legacy PR642x protection and machinery-health systems using the matched converter chain.
Lifecycle
- Photograph the PR6424/00A-110 label, converter label, connector, cable route and mounting before removal.
- Record target material, shaft diameter, probe gap, runout and channel scale; these values are part of the measurement installation.
- Do not mix a spare sensor, cable and converter unless the resulting chain is calibrated for the required sensitivity.
- After installation, set the mechanical gap and validate DC position, dynamic response, alarms and trip voting under the site procedure.
FAQ
Can PR6424/00A-110 be replaced by another PR6424 suffix that looks identical?
Not from appearance alone. The complete ordering code, cable termination, mechanical length and matched converter must be reconciled before substitution.
What evidence should accompany a PR6424/00A-110 enquiry?
Provide probe and converter labels, overall installation photos, mounting dimensions, cable routing, target material and the current gap voltage or channel baseline.
Why should the converter be identified when buying PR6424/00A-110?
The PR642x sensor, cable and converter form a calibrated chain; the converter type and calibration determine whether the installed scale remains valid.
What installation issue can make a new PR6424/00A-110 read incorrectly?
Incorrect probe gap, target geometry, shaft material, cable handling or connector condition can shift the static value or dynamic response even when the sensor is healthy.
How should PR6424/00A-110 be accepted after installation?
Document gap voltage, slow-roll runout, channel scale, alarm and trip response, and comparison with the approved pre-maintenance baseline.
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