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epro PR6423/000-000 — 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 PR6423/000-000 is the base (standard) configuration of the PR6423 probe, where /000-000
denotes the default option set — appearing as the third PR6423 variant in
this list, alongside PR6423-003-030-CN and PR6423-00M-030-CON21.
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
- Base configuration /000-000
- Compatible with MMS 3000 / MMS 6000 systems
- Third 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).
Standard Configuration
Represents the base PR6423 option set, from which the other named variants in this list (different length/connector codes) are derived.
Industrial Construction
Built for harsh rotating-machinery environments, with the body and cabling expected in process-industry instrumentation.
Technical Specifications
| Model Number | PR6423/000-000 |
|---|---|
| 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 |
| Configuration | /000-000 (base / standard option set) |
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 /000-000 base 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 PR6423/000-000?
It is the base configuration of the epro PR6423 eddy-current (proximity) probe, used with epro MMS machinery protection systems.
How does it differ from the other PR6423 entries in this list?
All three are PR6423 proximity probes; /000-000 is the base option set,
while -003-030-CN and -00M-030-CON21 carry different length/
connector variants. Confirm the precise differences 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.
Is this probe series used on turbines?
Yes — eddy-current proximity probes of this type are commonly used for shaft vibration/displacement measurement on turbines, compressors and generators. Confirm the specific application suitability in the epro datasheet.
Where can I find the official datasheet?
Official technical documentation is available from epro and authorized distributors. Verify all specifications there before purchase.
