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epro PR6423/003-030 — Eddy-Current Proximity Probe (with CN variant)
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 PR6423-003-030-CN encodes the
probe model with option codes: 003 typically denotes a probe/cable length
option, 030 a further connector or length option, and CN a
region/variant suffix (commonly a China-market designation). 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
- Compatible with MMS 3000 / MMS 6000 systems
- Option codes 003 and 030 encode length / connector variants
CNsuffix — likely China-market variant- 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 associated monitor cards (such as MMS3210, MMS6125).
Configurable Variants
Option codes within the part number specify probe length, cabling 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 | PR6423-003-030-CN |
|---|---|
| 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 003 | Probe/cable length or connector option (confirm) |
| Option Code 030 | Length / connector option (confirm) |
| Variant Suffix | CN — likely China-market variant (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, connector
type and the precise meaning of the -003-030 option codes and the CN
suffix 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 PR6423-003-030-CN?
It is an epro PR6423 eddy-current (proximity) probe, a configurable variant with option codes 003 and 030 and a CN suffix, used with epro MMS machinery protection systems.
Is it related to PR9268 mentioned earlier in this list?
Both followed epro’s PR… probe numbering, and PR6423 is now confirmed as a
proximity probe series — which supports the earlier reading of PR9268 as a probe, though
that specific code remains unconfirmed.
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 do the option codes matter?
The -003-030 codes specify length/connector options, and matching the probe
to the system’s required length 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.
