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

• High-sensitivity velocity measurement for seismic events

• Detects low-frequency ground vibrations and earthquakes

• Compatible with Bently Nevada monitoring and alarm systems

• Rugged design for industrial and outdoor applications

• Supports early warning and protection of critical machinery

• Reliable long-term performance for continuous monitoring

Technical Specifications

Industry Applications

• Power Generation – seismic monitoring of turbines and generators

• Oil & Gas – early detection of ground vibrations near critical machinery

• Petrochemical & Chemical – protecting process equipment from seismic shocks

• Infrastructure & Buildings – industrial and commercial structure monitoring

• Water & Wastewater – pump and motor protection from seismic activity

Advantages

• Provides reliable detection of low-frequency ground vibrations

• Rugged stainless steel construction suitable for harsh environments

• Supports early warning systems to protect machinery and personnel

• Compatible with Bently Nevada monitoring and alarm systems

• Enables preventive safety measures for industrial facilities

• 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.