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- Epro
- MMS3120
- Dual-Channel Shaft Vibration Transmitter
- Germany
- 127.5 x 125.75 x 80 mm
- 1.3 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
In industrial rotating machinery systems, precise and continuous vibration monitoring is critical for ensuring operational safety and equipment reliability. The Epro MMS3120 Dual-Channel Shaft Vibration Transmitter is designed to provide advanced vibration measurement and signal processing for critical machinery applications.
This transmitter features dual-channel capability, allowing simultaneous monitoring of two independent shaft vibration signals. Compared to standard models, the MMS3120 offers enhanced performance, improved signal processing, and greater flexibility for integration into modern industrial control systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Epro |
| Model | MMS3120 |
| Product Type | Dual-Channel Shaft Vibration Transmitter |
| Measurement Type | Shaft vibration monitoring |
| Input Channels | 2 channels |
| Input Signal | Eddy current sensors / proximity probes |
| Output Signal | 4–20 mA / voltage output |
| Frequency Range | 0 – 10,000 Hz |
| Measurement Range | Configurable |
| Accuracy | High precision industrial grade |
| Dimensions | 127.5 × 125.75 × 80 mm |
| Weight | 1.3 kg |
| Power Supply | 24 VDC |
| Mounting | DIN rail / panel mounting |
| Application | Rotating machinery monitoring |
| Environment | Industrial-grade |
| Reliability | Designed for continuous operation |
Function and Working Principle
The MMS3120 operates as a dual-channel vibration transmitter, receiving input signals from eddy current sensors or proximity probes installed near rotating shafts.
This enables:
Simultaneous monitoring of two vibration points
Advanced signal processing and filtering
Accurate detection of vibration amplitude and trends
Real-time conversion into standardized output signals
The transmitter processes raw sensor data and outputs stable signals suitable for integration into PLC, DCS, or monitoring systems.
Role in Industrial Control Systems
The MMS3120 plays a vital role in machinery protection and condition monitoring systems, supporting:
Turbine and compressor vibration monitoring
Shaft condition and displacement analysis
Equipment protection and alarm systems
Predictive maintenance strategies
Its enhanced processing capability improves diagnostic accuracy and system performance.
Industrial Applications
The Epro MMS3120 is widely used in:
Steam and gas turbines
Compressors and pumps
Power generation plants
Oil and gas processing facilities
Industrial automation systems
High-speed rotating machinery
It is especially suitable for critical applications requiring high reliability and continuous monitoring.
Installation and System Integration
Proper installation ensures optimal performance:
Mounted on DIN rail or control panel
Connected to eddy current sensors or proximity probes
Integrated into PLC, DCS, or SCADA systems
Configured according to measurement requirements
Installation must follow wiring and grounding standards
Correct setup ensures accurate data acquisition and long-term stability.
Compatible System Components
The MMS3120 typically works alongside:
Epro PR6423 / PR6424 / PR6426 series sensors
Signal converters such as CON021 or CON041
Monitoring systems like MMS6000
Control and protection units
Data acquisition and SCADA systems
These components form a complete and scalable machinery monitoring solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| MMS3110 | Vibration Transmitter | Standard dual-channel | General monitoring |
| MMS3125 | Vibration Transmitter | Advanced diagnostics | Critical systems |
| MMS3000 Series | Monitoring Modules | Modular design | Flexible systems |
| PR6424 + CON021 | Sensor System | Medium probe size | Standard applications |
| Bentley Nevada 3500 Series | Monitoring System | Industry benchmark | Critical machinery |
Key Advantages
Dual-channel monitoring for improved efficiency
Enhanced signal processing performance
High precision and reliable measurement
Flexible integration with industrial control systems
Compact and robust industrial design
Suitable for continuous operation in harsh environments
Technical FAQs
What is the main function of the MMS3120?
It monitors shaft vibration using two independent channels and provides standardized output signals.
What sensors are compatible with this transmitter?
It supports eddy current sensors and proximity probes such as PR6423, PR6424, and PR6426 series.
Where is it typically used?
It is used in turbines, compressors, pumps, and other rotating machinery requiring vibration monitoring.
Conclusion
The Epro MMS3120 Dual-Channel Shaft Vibration Transmitter is a high-performance solution for industrial vibration monitoring. Its advanced processing capability, dual-channel design, and robust construction make it ideal for critical machinery protection systems.
For engineers and maintenance professionals, it provides a reliable way to improve equipment performance, reduce downtime, and ensure safe operation in demanding industrial environments.