Excellent PLC
Product Overview
The Bently Nevada 74712-06-05-03-01 Earthquake Detector Velocity Sensor is a precision instrument designed to detect ground vibrations and seismic activity. It converts mechanical movement into an electrical signal, providing accurate, real-time monitoring of low-frequency vibrations.
Key Features
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High-sensitivity velocity measurement for seismic events
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Detects low-frequency ground vibrations and earthquakes
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Compatible with Bently Nevada monitoring and alarm systems
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Rugged design for industrial and outdoor applications
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Supports early warning and protection of critical machinery
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Reliable long-term performance for continuous monitoring
Technical Specifications
| Item | Specification |
|---|---|
| Model Number | 74712-06-05-03-01 |
| Type | Earthquake Detector / Velocity Sensor |
| Measurement Type | Velocity (ground vibration) |
| Sensitivity | 5 V/in/sec (typical) |
| Frequency Range | 0.5 – 50 Hz |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 0 – 95% non-condensing |
| Case Material | Stainless Steel |
| Mounting | Base flange or threaded mount |
| Dimensions | Diameter 41 mm |
| Weight | 0.48 kg |
| Compliance | CE, RoHS |
Industry Applications
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Power Generation – seismic monitoring of turbines and generators
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Oil & Gas – early detection of ground vibrations near critical machinery
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Petrochemical & Chemical – protecting process equipment from seismic shocks
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Infrastructure & Buildings – industrial and commercial structure monitoring
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Water & Wastewater – pump and motor protection from seismic activity
Advantages
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Provides reliable detection of low-frequency ground vibrations
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Rugged stainless steel construction suitable for harsh environments
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Supports early warning systems to protect machinery and personnel
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Compatible with Bently Nevada monitoring and alarm systems
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Enables preventive safety measures for industrial facilities
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Long-term stability and accurate measurement for critical applications
Frequently Asked Questions (FAQ)
Q1: What is the main function of this sensor?
It detects seismic activity and ground vibrations to provide early warning and protection for machinery and infrastructure.
Q2: What type of measurement does it provide?
Velocity measurement of ground or structural vibrations.
Q3: What is the sensitivity?
Approximately 5 V/in/sec.
Q4: What is the frequency range?
0.5 – 50 Hz, ideal for earthquake detection.
Q5: What is the operating temperature range?
-20 °C to +70 °C.
Q6: Can it be used outdoors?
Yes, it is designed for rugged industrial and outdoor environments.
Q7: What is the case material?
Stainless steel for durability and corrosion resistance.
Q8: How is it mounted?
Via base flange or threaded mount for secure installation.
Q9: Does it integrate with monitoring systems?
Yes, it works with Bently Nevada monitoring and alarm systems.
Q10: Which industries commonly use this sensor?
Power Generation, Oil & Gas, Petrochemical, Infrastructure, and Water & Wastewater.
Related Bently Nevada Vibration Sensors
| Model Number | Description |
|---|---|
| 74712-06-03-03-00 | Earthquake Detector Velocity Sensor |
| 330500-02-RU | Velomitor Piezoelectric Velocity Sensor |
| 330500-02-05 | Velomitor Piezoelectric Velocity Sensor |
| 330708-00-20-50-02-05 | 3300 XL 11 mm Proximity Probe |
| 330104-01-05-50-02-00 | 3300 XL 8 mm Proximity Probe |
| 330901-00-08-10-02-00 | 3300 NSv Proximity Probe |
Popular Bently Nevada Velocity Sensors
| Model Number | Description |
|---|---|
| 74712-06-05-03-01 | Earthquake Detector Velocity Sensor |
| 74712-06-03-03-00 | Earthquake Detector Velocity Sensor |
| 330500-02-RU | Velomitor Piezoelectric Velocity Sensor |
| 330500-02-05 | Velomitor Piezoelectric Velocity Sensor |
| 3500/42M | Proximitor®/Seismic Monitoring Module |
