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Bently Nevada 3500-53
1. Overview
Bently Nevada 3500-53 (common models such as 133388-01 or 3500/53M-03-00) is a high-speed rotational speed monitoring module specifically designed to monitor the rotational speed of equipment such as turbines, compressors, and generators, and trigger overspeed protection when the preset threshold is exceeded. It is usually used in conjunction with 3500 series signal conditioners (such as 3500/01, 3500/02) to achieve accurate vibration and rotational speed monitoring.
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2. Core Parameters
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Parameter
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Specification
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Description
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|---|---|---|
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Measurement Range
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0 – 100,000 RPM
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Supports ultra-high speed equipment monitoring
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Accuracy
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±0.05%
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Ultra-high precision rotational speed measurement capability
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Resolution
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0.1 RPM
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Able to capture subtle speed changes
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Power Supply
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24 VDC
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Conventional industrial power supply
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Operating Temperature
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-40°C – +85°C
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Suitable for harsh industrial environments
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Protection Level
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IP67
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Dustproof and waterproof, excellent protection performance
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Dimensions
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85 × 45 × 25 mm
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Compact design, easy to install
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Weight
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0.2 kg
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Lightweight design, easy to maintain
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3. Product Features
- Ultra-high Precision and Fast Response: Adopting Bently Nevada’s advanced sensing technology, it can accurately capture speed changes even in a very short time, meeting the strict requirements of high-speed equipment.
- High Reliability: The module has an industrial-grade protection design (IP67), which can resist moisture, dust and mechanical impact, ensuring long-term reliable operation.
- Easy Installation and Maintenance: The module is compact in size and light in weight, and its design conforms to standard installation interfaces (such as 3500/53M series), facilitating quick access to the system and maintenance.
- Multi-function Integration: In addition to monitoring rotational speed, the module is usually integrated with relay output (for triggering alarms or shutdowns) and has a data recording function, supporting historical data analysis through Bently Nevada software.
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4. Structure and Composition
- Sensor: Responsible for real-time measurement of the mechanical rotational speed.
- Signal Conditioner: Amplifies, filters and converts the original signal to adapt to system requirements.
- Power Module: Provides stable 24V DC power for the module.
- Communication Interface: Used to upload measurement data to Bently Nevada host (such as 3500/01) or upper computer system for monitoring.
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5. Main Application Fields
- Power Industry: Monitor the rotational speed of generator sets and steam turbines to prevent equipment damage caused by overspeed.
- Oil and Gas: Monitor the operating status of compressors and pumping units to prevent mechanical failures.
- Petrochemical and Chemical Industry: Protect key rotating equipment such as pumps and fans.
- Papermaking and Iron and Steel: Monitor the rotational speed of large machinery to ensure the safe operation of the production line.
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6. Installation and Maintenance
Installation Method
The module supports a variety of industrial standard installation methods, usually fixed on the equipment’s electrical control cabinet or rack with bolts. Due to its compact design, the installation process is relatively simple.
Maintenance Points
Regularly check the power supply and connection line status of the module to ensure that the protective shell is intact; use Bently Nevada software for parameter calibration to ensure accurate setting of the rotational speed threshold.
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