EMERSON PR9268/200-000 Electrodynamic Velocity Sensor | Replacement, Equivalent & Selection Guide
The EMERSON PR9268/200-000 is a high-precision electrodynamic (seismic) velocity sensor designed for continuous vibration monitoring of rotating machinery. It converts mechanical vibration velocity into a proportional electrical signal without requiring external power, making it ideal for demanding industrial environments. This page provides full technical specifications, compatible replacement models, application guidance, and sourcing information.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | PR9268/200-000 |
| Manufacturer | EMERSON (formerly Epro / Metrix) |
| Sensor Type | Electrodynamic (Seismic) Velocity Sensor |
| Measurement Range | 0 – 200 mm/s (peak) |
| Frequency Response | 10 – 1000 Hz (±3 dB) |
| Sensitivity | ~20 mV/(mm/s) |
| Output Signal | Passive voltage (self-generating) |
| Coil Resistance | Approx. 1500 Ω |
| Operating Temperature | -40°C to +120°C |
| Protection Rating | IP67 |
| Mounting | M8 stud / flange mount |
| Cable Length | 200 mm integral cable (per suffix /200) |
| Weight | Approx. 740 g |
| Approvals | CE, ATEX (consult datasheet for zone rating) |
Note: Specifications are based on published EMERSON/Epro documentation. Always verify against the official datasheet for your application.
Compatible Replacement & Equivalent Models
The following models are functionally equivalent or drop-in replacements for the PR9268/200-000. Compatibility should be verified against your system’s input impedance and mounting requirements before substitution.
| Model | Manufacturer | Compatibility Notes |
|---|---|---|
| PR9268/100-000 | EMERSON | Same sensor, 100 mm cable — verify cable length |
| PR9268/300-000 | EMERSON | Same sensor, 300 mm cable — verify cable length |
| PR9268/010-000 | EMERSON | Variant with different connector — check pinout |
| MV-1000 | Metrix (EMERSON) | Seismic velocity sensor, similar frequency range |
| VM-2000 | Metrix (EMERSON) | Enhanced version with wider frequency response |
| CS-1000 | Wilcoxon / Amphenol | Cross-brand equivalent; verify sensitivity & impedance |
| 793L | IMI Sensors (PCB) | Seismic velocity, similar output — confirm mounting |
| VS-068 | Hansford Sensors | Industrial velocity sensor; check frequency range |
⚠ Important: Always confirm coil resistance, sensitivity (mV/mm/s), frequency range, and connector type before substituting any replacement model in a live system.
Why Choose the Original Model
- OEM Compatibility: Guaranteed fit with EMERSON CSI, Bently Nevada, and Epro monitoring systems without recalibration.
- Proven Reliability: Electrodynamic design with no active electronics — inherently robust against EMI and power fluctuations.
- Traceable Calibration: Factory-calibrated with documentation for ISO 10816 / ISO 20816 compliance programs.
- Long Service Life: Hermetically sealed housing rated IP67 for harsh plant environments.
- Regulatory Compliance: CE and ATEX certifications support use in hazardous area installations.
Typical Applications
- Bearing housing vibration monitoring on pumps, fans, compressors, and turbines
- Continuous condition monitoring in accordance with ISO 10816 / ISO 20816
- Integration with EMERSON AMS Machinery Manager and CSI 2130 analyzers
- Retrofit and replacement in existing Epro PR9268 series installations
- Predictive maintenance programs in oil & gas, power generation, and petrochemical plants
- Structural vibration monitoring on gearboxes and motor drive trains
System Compatibility
The PR9268/200-000 is designed for direct connection to high-impedance monitoring inputs. Verified compatible systems include:
- EMERSON CSI 2130 / 2140 Machinery Analyzers
- EMERSON AMS 6500 ATG Machinery Health Monitor
- Epro MMS 6000 / MMS 6350 Monitoring Modules
- Bently Nevada 3500 Series (with appropriate input card)
- Generic vibration monitors accepting passive velocity sensor inputs (≥10 kΩ input impedance recommended)
Selection Guide
Use the table below to select the correct PR9268 variant for your application:
| Requirement | Recommended Model | Reason |
|---|---|---|
| Standard installation, 200 mm cable | PR9268/200-000 | This model — most common configuration |
| Tight space, short cable run | PR9268/100-000 | 100 mm cable reduces clutter |
| Remote mounting, longer reach | PR9268/300-000 | 300 mm cable for extended reach |
| Hazardous area (ATEX Zone 1/2) | PR9268/xxx-EX variant | Confirm ATEX suffix with your order |
| Budget replacement, non-critical asset | Hansford VS-068 / IMI 793L | Cost-effective cross-brand alternative |
| High-frequency analysis (>1000 Hz) | Accelerometer (ICP type) | Velocity sensors not suited above 1 kHz |
Quality Assurance & Sourcing
- Source: Konmask.com sources PR9268/200-000 units from authorized distributors and verified surplus channels.
- Inspection: Each unit undergoes visual inspection and basic functional verification prior to dispatch.
- Documentation: Original manufacturer documentation and calibration certificates provided where available.
- Packaging: Anti-static, shock-protected packaging for safe international shipping.
- Warranty: 90-day warranty against defects in materials and workmanship.
How to Order
- Confirm your part number: PR9268/200-000 (check nameplate on existing sensor).
- Verify cable length suffix (/100, /200, /300) matches your installation.
- Check quantity and lead time requirements — contact us for bulk pricing.
- Add to cart and proceed to checkout, or contact us for a formal quotation.
- For urgent requirements, email [email protected] with your PO or RFQ.
Replacement & Compatibility FAQ
Q: Can I replace PR9268/200-000 with a PR9268/100-000?
A: Yes, the sensor element is identical. The only difference is cable length (100 mm vs 200 mm). Ensure the shorter cable reaches your junction box or monitor input.
Q: Is the PR9268/200-000 compatible with Bently Nevada 3500 systems?
A: It can be used with appropriate velocity input cards (e.g., 3500/46). Verify the input impedance and sensitivity scaling in your 3500 configuration software.
Q: What is the difference between an electrodynamic velocity sensor and an accelerometer?
A: Electrodynamic sensors are self-generating (no power required) and output velocity directly, ideal for 10–1000 Hz monitoring. Accelerometers require power (ICP/IEPE) and measure acceleration, better suited for high-frequency or low-amplitude analysis.
Q: Can I use a third-party replacement in an ATEX-rated installation?
A: Only if the replacement carries the same or equivalent ATEX certification for the zone. Never substitute a non-ATEX sensor in a hazardous area without engineering review.
Q: Do you provide calibration certificates?
A: Original factory calibration certificates are provided where available. Contact us before ordering if certification documentation is mandatory for your application.
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