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- Bently Nevada
- 16699-02-05-03
- Velocity Seismic Detector
- USA
- 41.4 mm
- 0.32 kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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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.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
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
The Bently Nevada 16699-02-05-03 is a Velocity Seismic Detector (VSD) used in industrial vibration monitoring and machine protection systems. It is designed to measure absolute casing vibration velocity on rotating machinery such as turbines, compressors, and pumps.
Unlike proximity probes that measure shaft displacement, this device measures structural vibration of the machine housing, making it essential for comprehensive condition monitoring.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 16699-02-05-03 |
| Product Type | Velocity Seismic Detector |
| Measurement Type | Absolute vibration velocity |
| Sensor Principle | Electrodynamic velocity transducer |
| Output Signal | Velocity proportional analog signal |
| Diameter | 41.4 mm |
| Weight | 0.32 kg |
| Mounting Type | Rigid surface mounting |
| Application | Machine casing vibration monitoring |
| Environmental Use | Industrial rotating equipment monitoring |
Function and Working Principle
The 16699 series operates on the electromagnetic induction principle.
Working Principle
- Internal seismic mass moves relative to sensor housing
- Coil within magnetic field generates voltage
- Output voltage is proportional to vibration velocity
- Signal is transmitted to monitoring system for analysis
V∝dxdtV \propto \frac{dx}{dt}
Where velocity output is proportional to the rate of displacement change.
Key Functions
- Measures absolute vibration velocity of machine casing
- Detects structural vibration in rotating equipment
- Identifies early mechanical issues such as:
- Imbalance
- Misalignment
- Looseness
- Bearing degradation
- Provides input to machine protection systems
Role in Industrial Systems
This sensor is part of vibration condition monitoring systems and functions as:
- A casing vibration measurement device
- A machine protection sensor
- A diagnostic input for monitoring systems
- A complement to proximity probe systems (shaft vs casing measurement)
Industrial Applications
The 16699-02-05-03 is commonly used in:
- Steam turbines
- Gas turbines
- Compressors
- Pumps
- Generators
- Industrial fans
- Petrochemical rotating machinery
- Power generation facilities
Installation Guidelines
- Mounted directly on machine casing or bearing housing
- Requires rigid mechanical coupling for accurate readings
- Installed in orthogonal directions for multi-axis monitoring
- Cable routed away from EMI sources
- Proper grounding required for noise reduction
⚠️ Loose mounting can significantly affect measurement accuracy.
Compatible System Components
- Bently Nevada vibration monitoring systems
- 3300 / 3500 series monitoring racks
- Signal conditioning modules
- Industrial alarm and protection systems
- Condition monitoring software platforms
Recommended Alternative Models
| Model | Type | Key Feature |
|---|---|---|
| 16699-02-05-03 | Velocity seismic detector | Standard configuration |
| 9200 series sensors | Velocity transducer | General-purpose vibration monitoring |
| 7200 series sensors | Seismic accelerometers | Alternative measurement type |
| 3300 XL proximity probes | Shaft vibration sensors | Complementary measurement system |
Key Advantages
- Measures true casing (absolute) vibration
- Simple rugged mechanical design
- Reliable for continuous industrial monitoring
- Compatible with legacy and modern Bently systems
- Effective for early fault detection in rotating machinery
- Suitable for harsh industrial environments
Technical FAQs
Q1: What does this sensor measure?
It measures absolute vibration velocity of machine casing.
Q2: How is it different from proximity probes?
Proximity probes measure shaft displacement, while this measures housing vibration velocity.
Q3: Where is it installed?
Directly on the machine casing or bearing housing.
Q4: What industries use it?
Power generation, oil & gas, petrochemical, and heavy industrial plants.
Conclusion
The Bently Nevada 16699-02-05-03 Velocity Seismic Detector is a rugged vibration monitoring sensor designed to measure absolute casing velocity in rotating machinery. It plays a critical role in condition monitoring and machine protection systems, helping detect early mechanical faults and ensuring operational reliability in industrial environments.