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epro PR9376/010-021 — Speed / Rotational Sensor
The PR9376 is from epro GmbH (Germany) — another distinct instrument series in epro’s monitoring portfolio, separate from the PR6423/PR6425/PR6426 eddy-current probes and the PR9268 velocity/seismic sensor that appear elsewhere in this same list. The PR9376 series is used for speed / rotational measurement — detecting pulses or a reference mark on a rotating shaft (a speed-sensor function, complementary to the probes and casing sensors). The string PR9376/010-021 is a configurable variant. Manufactured by epro (an Emerson company). Typically used as a genuine spare for existing epro monitoring installations.
- epro PR9376 speed / rotational sensor series
- Distinct from PR6423/6425/6426 probes and PR9268 sensor
- Speed / rotational measurement function
- Configuration /010-021
- Machinery protection / condition-monitoring spare
Key Features & Functions
Speed / Rotational Sensing
Detects shaft speed and/or a reference mark — a rotational-measurement role distinct from displacement probes and casing vibration sensors.
Non-Contact Measurement
Senses a target / key feature on the rotating shaft without mechanical contact.
Probe System Integration
Works as part of the epro MMS measurement system, feeding signals to the associated monitor cards.
Configurable Variants
Option codes specify variant and connection choices, allowing matching to a given installation.
Technical Specifications
| Model Number | PR9376/010-021 |
|---|---|
| Brand | epro GmbH (Germany) |
| Series | PR9376 (speed / rotational sensor) |
| Item Type | Speed / rotational sensor |
| System Compatibility | epro MMS machinery protection systems |
| Variant Code | /010-021 (confirm) |
Source note: PR9376 is an epro series for speed/rotational measurement —
a different instrument type from the eddy-current probes and the velocity/seismic sensor.
The exact sensing principle, range and the meaning of the /010-021 variant code
were not individually confirmed from an official datasheet and must be
verified before ordering or replacing.
Typical Application Scenarios
- Speed Measurement: shaft speed detection on rotating machinery.
- Overspeed Protection: speed signal for overspeed trip logic.
- Turbines & Compressors: rotational measurement on machine trains.
- Machine Protection Systems: speed signals for alarm/trip logic.
- Spare Part Replacement: replacing sensors in existing epro installations.
Frequently Asked Questions
What is the epro PR9376/010-021?
It is an epro PR9376 speed/rotational sensor — variant /010-021 — used with epro MMS machinery protection systems.
How is PR9376 different from the other epro series in this list?
PR6423/6425/6426 are eddy-current probes, PR9268 is a velocity/seismic sensor, and PR9376 serves speed/rotational measurement — different roles within the same monitoring system. Confirm each in the epro datasheet.
What does it connect to?
It is part of the epro MMS measurement system and works with the associated monitor cards. Confirm exact sensor/card matching in the epro datasheet.
Where is it used?
On rotating machinery where shaft speed or a reference mark must be detected — turbines, compressors and similar machines. Confirm 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.
