Excellent PLC
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Product Introduction
The Epro PR9268/203-000 is a robust electrodynamic velocity sensor designed for accurate and reliable vibration monitoring in industrial rotating machinery. As part of the PR9268 series by Epro, this sensor is engineered to deliver analog velocity signals, making it especially suitable for condition monitoring and predictive maintenance systems in demanding environments such as power plants, petrochemical facilities, and heavy-duty manufacturing.
The PR9268/203-000 features a rugged, hermetically sealed stainless steel housing, capable of withstanding harsh operating conditions including high temperatures, humidity, and mechanical shocks. With a frequency response optimized for detecting low-frequency vibrations, this sensor plays a critical role in preventing mechanical failures and improving machinery uptime.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | PR9268/203-000 |
| Sensor Type | Electrodynamic Velocity Sensor |
| Measuring Range | ±50 mm/s (Peak) |
| Frequency Response | 10 Hz – 1000 Hz (±3 dB) |
| Sensitivity | 20 mV/mm/s (±5%) |
| Output Signal | Voltage Output (Analog) |
| Internal Damping | <10% |
| Mounting Method | Stud Mounting (M8 x 1.25 thread) |
| Housing Material | Stainless Steel |
| Connector Type | MIL-C-5015, 2-pin connector |
| Operating Temperature Range | -25°C to +120°C |
| Shock Limit | 5000 g |
| Protection Class | IP67 |
| Dimensions (L x Ø) | 78 × 58 mm |
| Weight | 0.93 kg |
| Cable Length (optional) | Configurable (typically 2m, 5m, or custom) |
| Certifications | CE, RoHS, ATEX optional (on specific variants) |
Product Applications
-
Power Generation Equipment
Suitable for turbines, generators, and other rotating machinery where continuous vibration monitoring is essential for early failure detection. -
Oil & Gas Industry
Used in compressors, pumps, and fans where high reliability is crucial in explosive or corrosive environments. -
Steel and Cement Plants
Deployed in rolling mills, crushers, and conveyor systems to ensure operational integrity. -
Chemical and Petrochemical Industries
Installed in agitators and large-scale rotating systems to detect imbalance, misalignment, and bearing wear. -
Marine and Offshore Systems
Reliable in maritime propulsion systems and offshore machinery where vibration monitoring is mandatory.
Product Advantages
-
High Sensitivity with Excellent Linearity
Ensures accurate velocity readings across a wide dynamic range. -
Mechanical Robustness
Stainless steel housing and IP67-rated enclosure provide protection against dust, water, and mechanical damage. -
No External Power Supply Required
Being electrodynamic in nature, the sensor generates signal output without an external power source. -
Simple Integration
Standard connector interfaces and mounting threads allow for easy installation and replacement. -
Long Service Life
High-quality materials and engineering make the sensor suitable for long-term use with minimal maintenance. -
Customizable Cable and Connector Options
Adaptable for various installation scenarios through customizable length and connector types.
Frequently Asked Questions (FAQ)
-
What is the output signal type of the PR9268/203-000?
It provides an analog voltage output proportional to the vibration velocity. -
Does this sensor require an external power source?
No, it is a passive electrodynamic sensor and does not require external power. -
Can the sensor be used in hazardous environments?
Yes, specific variants are available with ATEX certification for explosive environments. -
What is the primary use case for this sensor?
Vibration monitoring of rotating machinery such as turbines, motors, and pumps. -
How should the sensor be mounted?
It is typically mounted using an M8 stud bolt for secure and stable measurements. -
What is the recommended cable length?
Standard options include 2 meters and 5 meters, but custom lengths are available. -
What is the maximum shock resistance?
The sensor can withstand mechanical shocks up to 5000 g. -
Is the sensor affected by electromagnetic interference?
The stainless steel housing and shielding help minimize EMI effects. -
Can I use this sensor for low-speed equipment?
Yes, its low-frequency response makes it suitable for low-speed applications. -
Is this sensor compatible with condition monitoring systems?
Absolutely, it outputs standard analog signals compatible with most monitoring systems.
Related Models in the Same Series or Category
| Model | Description | Frequency Response | Sensitivity |
|---|---|---|---|
| PR9268/201-000 | Standard velocity sensor with axial connector | 10–1000 Hz | 20 mV/mm/s |
| PR9268/202-000 | Velocity sensor with side-exit connector | 10–1000 Hz | 20 mV/mm/s |
| PR9268/204-000 | Extended temperature range model | 10–1000 Hz | 20 mV/mm/s |
| PR9268/205-000 | Velocity sensor with dual-output option | 10–1000 Hz | 10 or 20 mV/mm/s |
| PR9268/211-000 | Intrinsically safe variant with ATEX certification | 10–1000 Hz | 20 mV/mm/s |
| PR9268/300-000 | High-shock resistant version for heavy-duty use | 10–1200 Hz | 28 mV/mm/s |
Popular Models from the Same Brand (Epro)
| Model | Product Type | Main Feature | Application |
|---|---|---|---|
| PR6423/002-030 | Eddy Current Sensor | Non-contact vibration sensing | Turbines, compressors |
| MMS3120/022-100 | Monitoring Module | 2-channel vibration monitoring | Condition Monitoring Systems |
| CON021 | Sensor Connection Module | Used with PR6423/PR6424 sensors | Signal Transmission |
| MMS6110 | Rack-Based Monitoring System | Multi-channel system with display | Plant-wide Vibration Monitoring |
| PR6424/010-010 | Eddy Current Probe | For precise displacement measurement | Critical rotating equipment |
| TQ402 | Speed Sensor | For monitoring rotational speed | Turbomachinery, Generators |
