BENTLY 135813-01 Preamplifier

Bently Nevada 135813-01 Overview

The Bently Nevada 135813-01 is a Proximitor, a crucial component in Bently Nevada's vibration monitoring systems. It works in conjunction with a probe and an extension cable to form a non-contacting displacement measurement system, typically used to monitor shaft vibration, axial position, and speed (with an integrator) of rotating machinery.

Product Detailed Description

• Function:

• Provides power to the Bently Nevada proximity sensor system.

• Converts the radio frequency (RF) signal from the probe and extension cable into a direct current (DC) voltage signal that is proportional to the distance between the probe tip and the target object (typically a rotating shaft).

• This DC voltage signal is then sent to a monitor or other analysis instrumentation for vibration analysis and machine protection.

• Features:

• Non-contacting measurement: Eliminates the need for direct contact with the rotating shaft, avoiding wear and interference.

• High accuracy: Provides precise displacement measurements.

• High reliability: Designed for harsh industrial environments.

• Standardized: Complies with Bently Nevada's sensor system standards.

• Single channel: Typically a single-channel proximitor.

Product Parameters

As 135813-01 is a specific part number, its parameters are fixed. Here are the key parameters:

• Part Number: 135813-01

• Number of Channels: 1

• Power Input: Typically -24 VDC (negative supply)

• Output Voltage Range: Typically -1 VDC to -9 VDC (inversely proportional to distance)

• Frequency Response: Typically 0 Hz to 10 kHz

• Linearity: Good linearity within the specified measurement range

• Operating Temperature: Typically -51 °C to +100 °C (-60 °F to +212 °F)

• Humidity: 95% relative humidity, non-condensing

• Connectors: Typically BNC or other coaxial connectors for connection to the extension cable

• Mounting: Typically bolt-mounted

• Compatible Probes and Extension Cables: Requires compatibility with specific Bently Nevada probe and extension cable series (e.g., 8 mm series)

Product Advantages

• Accurate Vibration Monitoring: Provides accurate shaft vibration and position information, aiding in early detection of machine faults.

• Non-contacting Measurement: Eliminates sensor wear, increasing reliability and lifespan.

• Suitable for Harsh Environments: Rugged design allows for reliable operation in high temperatures, high humidity, and other industrial conditions.

• Integration with Bently Nevada Systems: Seamlessly integrates with Bently Nevada monitors and software.

• Early Fault Warning: By monitoring vibration trends, it helps predict and avoid catastrophic machine failures, reducing maintenance costs and downtime.

Precautions

• Correct Installation: Install according to Bently Nevada's installation manual, including proper grounding and shielding.

• Compatibility: Ensure use with compatible Bently Nevada probes and extension cables.

• Power Requirements: Provide the correct -24 VDC power supply.

• Environmental Conditions: Avoid use outside its operating temperature and humidity ranges.

• Regular Inspection: Periodically check connectors and cables for looseness or damage.

• Calibration: Calibrate the system as needed to ensure measurement accuracy.

Product Applications

The Bently Nevada 135813-01 Proximitor is widely used for vibration monitoring and protection of various rotating machinery:

• Steam and Gas Turbines

• Compressors

• Pumps

• Motors and Generators

• Gearboxes

• Wind Turbines

• Any critical rotating equipment requiring precise shaft vibration and position monitoring

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