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epro PR6423/00M-030-CON21 — 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 PR6423-00M-030-CON21 is a
variant of the PR6423 probe, where 00M denotes a probe configuration option
(typically related to the probe’s form/length), 030 a further length or
connector option, and CON21 a connector/termination variant. It is the second PR6423 configuration in this list, alongside PR6423-003-030-CN. 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 00M and 030 encode variants
CON21connector / termination variant- Second PR6423 configuration in this list
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, 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 | PR6423-00M-030-CON21 |
|---|---|
| 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 00M | Probe form / length option (confirm) |
| Option Code 030 | Length / connector option (confirm) |
| Connector Variant | CON21 — connector / termination 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 probe form, length,
connector type and the precise meaning of the -00M-030-CON21 codes 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 PR6423-00M-030-CON21?
It is an epro PR6423 eddy-current (proximity) probe — a configurable variant with codes 00M, 030 and CON21 — used with epro MMS machinery protection systems.
How does it differ from PR6423-003-030-CN?
Both are PR6423 proximity probes; only the option/connector codes differ. The precise difference between the variants should be confirmed 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 do the option codes matter?
The -00M-030-CON21 codes specify form/length/connector options, 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.
