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- Bently Nevada
- 991-01-XX-01-00
- Vibration Transmitter
- USA
- 120 × 80 × 55 mm
- 0.46kg
- Xiamen, China
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Bently Nevada 991-01-XX-01-00
Comprehensive Product Introduction, Technical Specifications, Applications, Advantages, Series Information and Related Model Recommendations
Product Introduction
The Bently Nevada 991-01-XX-01-00 is an industrial vibration transmitter designed for continuous monitoring of rotating machinery operating conditions. It belongs to the 991 Vibration Transmitter Series, a compact machinery monitoring product family developed for vibration measurement, equipment condition evaluation, and predictive maintenance applications.
The transmitter provides a reliable method for monitoring the operating status of rotating equipment by receiving vibration signals from compatible sensors, processing the collected information, and converting the measured vibration data into a standardized industrial output signal.
The 991-01-XX-01-00 is designed for applications where equipment reliability, operational safety, and early detection of mechanical problems are important requirements.
Rotating machinery such as compressors, turbines, pumps, motors, fans, and gearboxes continuously produces mechanical vibration during operation. Under normal conditions, vibration levels remain within an acceptable range. When equipment begins to develop problems, vibration characteristics may change, creating early warning signals.
The transmitter allows maintenance personnel to monitor these changes and evaluate equipment condition before serious failures occur.
Typical mechanical conditions that can be identified through vibration monitoring include:
- Rotor imbalance
- Shaft misalignment
- Bearing wear
- Mechanical looseness
- Coupling problems
- Excessive vibration levels
- Abnormal machine loading
- Equipment operating instability
The transmitter receives vibration information from monitoring sensors and converts the collected signal into a stable industrial output suitable for connection with monitoring, control, and protection systems.
The compact design allows installation near rotating equipment and provides a practical solution for continuous machinery monitoring.
The 991-01-XX-01-00 is suitable for industries requiring reliable vibration measurement, continuous condition monitoring, simple installation, and long-term operational stability.
Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial monitoring brand specializing in rotating machinery monitoring, vibration measurement, machinery protection, and equipment condition monitoring technologies.
The brand focuses on improving industrial equipment reliability through continuous monitoring methods and supporting predictive maintenance strategies.
Main characteristics include:
- Reliable vibration monitoring capability
- Accurate machinery condition evaluation
- Stable industrial performance
- Long operational service life
- Strong environmental adaptability
- Continuous online monitoring
- Compatibility with industrial automation systems
The products are widely used in industries where rotating machinery performance directly affects production efficiency, operational reliability, and maintenance planning.
Product Series
991 Vibration Transmitter Series
The 991 Vibration Transmitter Series is an industrial vibration monitoring product family designed for continuous monitoring of rotating machinery.
The series provides vibration signal measurement, processing, and output conversion functions.
The main purpose of this series is to provide a simple and reliable method for monitoring equipment condition without requiring complex monitoring configurations.
The 991 Series is commonly used for:
- Rotating machinery vibration monitoring
- Equipment condition evaluation
- Predictive maintenance applications
- Machinery reliability improvement
- Industrial automation integration
Main features include:
- Compact industrial housing
- Reliable electronic design
- Stable signal conversion
- Continuous monitoring capability
- Low maintenance requirements
- Flexible installation options
- Long-term operating stability
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 991-01-XX-01-00 |
| Product Type | Industrial Vibration Transmitter |
| Product Series | 991 Vibration Transmitter Series |
| Application | Rotating Machinery Condition Monitoring |
| Measurement Function | Vibration Measurement and Signal Conversion |
| Monitoring Parameter | Machine Vibration |
| Input Signal | Vibration Sensor Signal |
| Output Signal | 4–20 mA Analog Output |
| Power Supply | 24 VDC Industrial Power Supply |
| Signal Transmission | Analog Current Loop |
| Installation Method | Field Mounted |
| Operating Mode | Continuous Online Monitoring |
| Sensor Compatibility | Industrial Vibration Monitoring Sensors |
| Housing Material | Industrial Metal Housing |
| Electrical Connection | Terminal Connection |
| Signal Processing | Internal Electronic Conditioning |
| Environmental Capability | Industrial Field Environment |
| EMC Performance | High Electromagnetic Compatibility |
| Response Performance | Fast Dynamic Response |
| Operating Temperature | Industrial Standard Temperature Range |
| Storage Temperature | Industrial Storage Range |
| Maintenance Requirement | Low Maintenance Design |
| Protection Function | Machinery Vibration Monitoring |
| Dimensions | Approximately 120 × 80 × 55 mm |
| Weight | Approximately 0.46 kg |
Working Principle
The 991-01-XX-01-00 works by continuously collecting vibration information generated by rotating machinery.
A vibration sensor installed on the equipment detects mechanical movement and sends the vibration signal to the transmitter.
The transmitter processes the incoming signal through internal electronic circuits and converts the vibration information into a standardized industrial output.
The operating process includes:
- Rotating machinery generates mechanical vibration.
- Sensors detect vibration changes.
- Vibration signals are transmitted to the transmitter.
- Internal circuits process and condition the signal.
- A standard industrial output signal is produced.
- Monitoring systems analyze machine operating conditions.
This working method provides continuous information about equipment health and helps identify abnormal operating conditions at an early stage.
Product Features
Compact Industrial Design
The transmitter uses a compact structure suitable for installation in industrial environments.
The small physical size reduces installation requirements and provides flexibility for different machinery monitoring applications.
Continuous Equipment Monitoring
The product provides continuous vibration monitoring during equipment operation.
Unlike periodic inspection methods, continuous monitoring can identify gradual vibration changes and developing mechanical problems.
Stable Signal Processing
The transmitter provides reliable electronic signal processing and stable output performance.
The standardized output simplifies connection with industrial monitoring and automation systems.
Industrial Durability
The product is designed for long-term operation in industrial environments.
It can maintain stable performance under conditions including:
- Mechanical vibration
- Electrical interference
- Temperature variation
- Continuous operation
Easy System Integration
The transmitter can be integrated with:
- PLC systems
- DCS systems
- SCADA systems
- Industrial monitoring platforms
- Data acquisition systems
Predictive Maintenance Capability
The transmitter provides valuable vibration data for predictive maintenance programs.
By analyzing vibration trends, users can:
- Identify developing faults
- Schedule maintenance activities
- Reduce unexpected downtime
- Improve equipment availability
- Extend machinery service life
Low Maintenance Requirement
The product requires limited maintenance after installation.
The reliable design supports long-term operation while reducing maintenance workload.
Product Applications
Compressor Monitoring
The transmitter is suitable for monitoring industrial compressors.
Typical applications include:
- Centrifugal compressors
- Process compressors
- Gas compressors
- Industrial air compressors
It helps identify abnormal vibration conditions and supports reliable compressor operation.
Turbine Monitoring
Applications include:
- Steam turbines
- Gas turbines
- Auxiliary turbine systems
The transmitter helps evaluate turbine vibration conditions and supports stable equipment operation.
Pump Monitoring
Suitable applications include:
- Centrifugal pumps
- Process pumps
- Water circulation pumps
- Industrial pumping systems
Motor Monitoring
Applications include:
- Large electric motors
- Motor-driven equipment
- Industrial drive systems
- Manufacturing machinery
Fan and Blower Monitoring
Applications include:
- Industrial fans
- Cooling systems
- Ventilation equipment
- Large blower units
Gearbox Monitoring
Applications include:
- Industrial gearboxes
- Speed reduction systems
- Mechanical transmission equipment
Industry Applications
| Industry | Typical Equipment |
|---|---|
| Power Generation | Turbines, generators, auxiliary rotating equipment |
| Oil and Gas | Compressors, pumps, process machinery |
| Petrochemical | Rotating production equipment |
| Manufacturing | Motors, production machinery, drive systems |
| Water Treatment | Pumps and circulation equipment |
| Mining | Heavy rotating machinery |
| Cement Industry | Large rotating equipment |
| Marine Industry | Propulsion and auxiliary machinery |
Product Advantages
| Advantage | Description |
|---|---|
| High Reliability | Provides stable vibration monitoring during continuous operation |
| Accurate Measurement | Provides dependable machinery condition information |
| Compact Structure | Requires limited installation space |
| Easy Installation | Simplifies field installation requirements |
| Stable Output | Provides reliable analog signal transmission |
| Low Maintenance | Reduces service requirements |
| Strong Adaptability | Suitable for various industrial environments |
| Predictive Maintenance Support | Helps detect problems before serious failures |
| Wide Application Range | Suitable for multiple rotating machines |
| Long Service Life | Designed for extended industrial operation |
Recommended Models from the Same Series or Related Models
| Model | Product Type | Output Signal | Dimensions | Weight (kg) | Main Application |
|---|---|---|---|---|---|
| 991-01-XX-01-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | General vibration monitoring |
| 991-01-90-02-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Rotating machinery monitoring |
| 990-10-XX-01-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Machinery condition monitoring |
| 990-10-XX-02-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Industrial vibration monitoring |
| 990-12-XX-01-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Continuous equipment monitoring |
Recommended Popular Models from the Same Brand
| Model | Product Type | Series | Main Parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 3500/42M | Proximitor Monitor Module | 3500 Series | Multi-channel vibration monitoring, alarm processing, machinery protection | 241 × 24 × 241 mm | 0.82 kg |
| 3500/22M | Communication Interface Module | 3500 Series | Machinery communication and monitoring integration | 241 × 24 × 241 mm | 0.80 kg |
| 3500/15 | Power Supply Module | 3500 Series | Industrial redundant power supply management | 241 × 24 × 241 mm | 0.76 kg |
| 3300 XL 8 mm Proximitor Sensor | Proximity Sensor | 3300 XL Series | Shaft displacement and vibration measurement | Ø8 mm × approximately 100 mm | 0.35 kg |
| 1900/65A | Machinery Condition Monitor | 1900 Series | Compact vibration monitoring, alarm functions and condition evaluation | 180 × 140 × 70 mm | 1.20 kg |
Maintenance Benefits
The 991-01-XX-01-00 provides important benefits for modern industrial maintenance management.
Traditional maintenance methods often rely on scheduled inspections. However, mechanical problems can develop between inspection intervals.
Continuous vibration monitoring provides real-time equipment condition information and allows maintenance personnel to make better decisions.
The transmitter helps users:
- Detect mechanical problems earlier
- Reduce unexpected downtime
- Improve maintenance planning
- Increase equipment availability
- Reduce repair costs
- Extend machinery operating life
- Improve operational reliability
Continuous vibration monitoring allows maintenance teams to identify developing mechanical problems and take corrective action before major equipment failures occur.
Product Summary
The Bently Nevada 991-01-XX-01-00 is an industrial vibration transmitter belonging to the 991 Vibration Transmitter Series.
It is designed for continuous monitoring of rotating machinery and provides reliable vibration measurement through standardized industrial output.
With advantages including compact design, stable signal processing, accurate vibration monitoring, easy installation, strong environmental adaptability, and reliable system integration, the transmitter is suitable for compressors, turbines, pumps, motors, fans, gearboxes, and other critical rotating equipment.
The product provides continuous machinery condition information that supports predictive maintenance strategies, helping users improve equipment reliability, reduce downtime, optimize maintenance planning, and extend the operating life of industrial assets.