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epro PR6423/002-031 — Eddy-Current Proximity Probe
The PR6423 is an eddy-current (proximity) probe from epro GmbH (Germany), part of epro’s PR6423 probe series
used with the MMS 3000 and MMS 6000 machinery protection systems — both of which appear
elsewhere in this same list. The full string PR6423/002-031 is a
configurable variant, where /002 denotes a probe option (form/length) and -031 a cable-length / connector option — a close sibling of
PR6423/002-030. It is the seventh PR6423 configuration in this
list. The probe measures shaft displacement/vibration against a target to feed the
monitoring card. Manufactured by epro (an Emerson company). Typically used as a genuine
spare for existing epro installations.
- epro PR6423 eddy-current (proximity) probe
- Configuration /002-031 (sibling of /002-030)
- Compatible with MMS 3000 / MMS 6000 systems
- Seventh PR6423 configuration in this list
- Machinery protection / condition-monitoring spare
Key Features & Functions
Eddy-Current Measurement
Non-contact measurement of shaft displacement/vibration relative to a target using eddy-current principles — a primary parameter for rotating-machinery health.
Probe System Integration
Works as the measurement front-end of the epro MMS system, feeding signals to the associated monitor cards (such as MMS3210, MMS6125).
Configurable Variants
Option codes in the part number specify probe form, length and connector choices, allowing matching to a given installation.
Industrial Construction
Built for harsh rotating-machinery environments, with the body and cabling expected in process-industry instrumentation.
Technical Specifications
| Model Number | PR6423/002-031 |
|---|---|
| Brand | epro GmbH (Germany) |
| Series | PR6423 proximity probe series |
| Item Type | Eddy-current (proximity) probe |
| System Compatibility | epro MMS 3000 / MMS 6000 machinery protection systems |
| Option Code 002 | Probe form / length option (confirm) |
| Option Code 031 | Cable-length / connector option (confirm) |
Source note: The PR6423 is confirmed as an epro eddy-current proximity
probe series used with the MMS machinery protection systems. The exact length and connector
details of the /002-031 configuration were not individually
confirmed from an official datasheet and must be verified before ordering or replacing —
probe and system length matching is essential for correct measurement.
Typical Application Scenarios
- Steam & Gas Turbine Monitoring: shaft vibration/displacement measurement on turbines.
- Compressor & Pump Protection: monitoring shaft movement on rotating equipment.
- Generator Monitoring: vibration measurement on generators and large motors.
- Machine Protection Systems: feeding measurement signals to alarm/trip logic.
- Spare Part Replacement: replacing probes in existing epro installations.
Frequently Asked Questions
What is the epro PR6423/002-031?
It is an epro PR6423 eddy-current (proximity) probe — configuration /002-031 — used with epro MMS machinery protection systems.
How does it differ from PR6423/002-030?
Both share the /002 probe option; only the -030 vs -031 cable/connector code differs. Confirm the precise difference in the
official epro documentation.
Which monitor cards does it work with?
It is used with epro MMS 3000 / MMS 6000 monitor cards (such as MMS3210 and MMS6125). Confirm exact probe/card matching in the epro datasheet.
Why does the 031 option matter?
It specifies a cable-length/connector choice, and matching the probe to the system’s required configuration is essential for measurement accuracy. Verify before ordering.
Where can I find the official datasheet?
Official technical documentation is available from epro and authorized distributors. Verify all specifications there before purchase.
