Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Epro PR9268/206-100 is a high-performance electrodynamic velocity sensor tailored for industrial applications requiring precise and reliable vibration monitoring. As part of the Epro PR9268 series, this model is specifically designed to measure vibration velocity in machinery, helping to detect early signs of wear, misalignment, imbalance, or bearing failure.
The sensor operates on the electrodynamic principle, delivering an analog voltage signal proportional to the vibration velocity of the equipment to which it is mounted. Unlike piezoelectric sensors, the PR9268/206-100 requires no external power source, simplifying installation and long-term maintenance.
This model offers optimized frequency response and mechanical ruggedness, making it suitable for harsh environments including power generation, steel production, oil & gas refining, and heavy machinery industries. Its stainless-steel housing, excellent shock resistance, and high ingress protection rating ensure long-lasting, dependable performance even in aggressive operating conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | PR9268/206-100 |
| Sensor Type | Electrodynamic Velocity Sensor |
| Output Signal | Analog Voltage |
| Sensitivity | 28 mV/mm/s (±5%) |
| Frequency Response | 10 Hz to 1000 Hz (±3 dB) |
| Measuring Range | ±50 mm/s (Peak) |
| Mounting Type | Stud Mounting – M8 x 1.25 |
| Housing Material | Stainless Steel |
| Connector Type | 2-pin MIL-C-5015 connector (axial or radial exit) |
| Cable Compatibility | Compatible with shielded twisted pair, optional armoring |
| Operating Temperature | -25°C to +120°C |
| Shock Limit | 5000 g |
| Vibration Limit | 200 g |
| Protection Class | IP67 |
| Dimensions (L x Ø) | 78 × 58 mm |
| Weight | 0.93 kg |
| Installation Torque | 8 Nm recommended |
| Internal Damping | Less than 10% |
| Certification Options | CE, RoHS, ATEX (on request for specific versions) |
Product Applications
-
Steam and Gas Turbines
Monitors axial and radial vibration in rotating components to prevent catastrophic failure. -
Industrial Fans and Blowers
Identifies vibration due to blade imbalance, looseness, or mechanical resonance. -
Pumps and Compressors
Detects early-stage cavitation, impeller misalignment, or mechanical degradation. -
Steel Rolling Mills
Ensures proper machine performance under high-load environments. -
Cement and Mining Equipment
Measures equipment health in crushers, ball mills, and conveyor systems. -
HVAC and Power Distribution Units
Monitors motor health to avoid unplanned downtime in critical systems.
Product Advantages
-
High Output Sensitivity
The 28 mV/mm/s sensitivity provides excellent resolution for low-level vibration signals. -
Passive Sensor Design
No external power supply required, reducing complexity and points of failure. -
Rugged Construction
Stainless steel enclosure with high shock and vibration resistance ensures long-term performance. -
Ingress Protection IP67
Sealed against dust and water ingress for outdoor or washdown area usage. -
Standardized Connector & Mounting Interface
Facilitates quick and reliable installation and replacement with minimal training. -
Broad Compatibility
Easily integrates with condition monitoring and protection systems from multiple vendors. -
Wide Temperature and Shock Range
Performs reliably in extreme industrial conditions.
Frequently Asked Questions (FAQ)
-
What is the sensing principle of the PR9268/206-100?
It operates on the electrodynamic principle, converting mechanical vibration into an electrical voltage signal. -
Does the sensor require external power?
No, it is a passive device and functions without external excitation. -
Is the PR9268/206-100 suitable for outdoor use?
Yes, with an IP67 protection rating, it is fully sealed for outdoor and industrial environments. -
Can this sensor be used in high-shock environments?
Absolutely, it is rated for shock levels up to 5000 g. -
What is the connector type?
The standard model uses a 2-pin MIL-C-5015 connector, either axial or radial. -
What cable types are compatible with this sensor?
Shielded twisted pair cables are recommended; armored versions are available for rugged use. -
Can this sensor be mounted in any orientation?
While it supports various orientations, optimal sensitivity is along the longitudinal axis of the housing. -
What is the typical application for this sensor in power plants?
It is commonly mounted on turbine casings to monitor vibration velocity. -
Is this sensor compatible with Epro’s CON021 or MMS systems?
No, the PR9268 series is typically connected directly to analog monitoring systems, not via eddy current sensor interfaces like CON021. -
How frequently does the sensor require maintenance?
Under normal industrial usage, the sensor requires virtually no maintenance thanks to its sealed design.
Related Models from the Same Series or Category
| Model | Description | Sensitivity | Frequency Response |
|---|---|---|---|
| PR9268/201-000 | Standard axial velocity sensor | 20 mV/mm/s | 10 – 1000 Hz |
| PR9268/203-000 | Compact size, side-exit connector | 20 mV/mm/s | 10 – 1000 Hz |
| PR9268/204-000 | Extended temperature range version | 20 mV/mm/s | 10 – 1000 Hz |
| PR9268/205-000 | Dual sensitivity version | 10/20 mV/mm/s | 10 – 1000 Hz |
| PR9268/211-000 | ATEX-certified intrinsically safe variant | 20 mV/mm/s | 10 – 1000 Hz |
| PR9268/300-000 | Heavy-duty variant with shock reinforcement | 28 mV/mm/s | 10 – 1200 Hz |
Popular Models from the Same Brand (Epro)
| Model | Product Type | Key Feature | Application |
|---|---|---|---|
| PR6423/002-030 | Eddy Current Probe | High-resolution displacement measurement | Turbine Monitoring Systems |
| PR6424/010-010 | Eddy Current Probe | Rugged, high-temperature probe | Gas Compressors |
| CON021 | Connection Module | Used with PR6423/PR6424 series | Vibration Monitoring Systems |
| MMS3120/022-100 | Monitoring Module | 2-channel vibration + gap monitoring | Plant Automation Systems |
| MMS6110 | Multi-channel Monitoring System | Rack-based configuration with local display | Plant-wide Vibration Analysis |
| TQ402 | Speed Sensor | Pulse output speed monitoring | Rotating Machinery |
