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The Bently Nevada 990-12-XX-01-00 108M8677-01 is an industrial vibration transmitter designed for continuous monitoring of rotating machinery operating conditions. It belongs to the 990 Vibration Transmitter Series, a compact and reliable product family developed for vibration measurement, machinery condition monitoring, and predictive maintenance applications.
The transmitter is designed to provide continuous vibration information from rotating equipment by receiving signals from compatible vibration sensors, processing the measured data, and converting the vibration information into a standardized industrial output signal.
The 990-12-XX-01-00 108M8677-01 is suitable for industrial applications where machinery reliability, operational stability, and early detection of mechanical problems are required.
Rotating machinery such as compressors, turbines, pumps, motors, fans, and gearboxes generates vibration during normal operation. A stable vibration pattern usually represents normal machine operation, while unexpected vibration changes may indicate potential mechanical problems.
Through continuous vibration monitoring, the transmitter helps maintenance personnel understand equipment health conditions and identify possible faults before serious failures occur.
Typical monitored conditions include:
The transmitter receives vibration signals, performs internal signal processing, and converts the measured information into an industrial output signal that can be connected with monitoring and control systems.
The compact design allows convenient installation near rotating machinery and provides a practical solution for continuous condition monitoring.
The 990-12-XX-01-00 108M8677-01 is suitable for industries requiring stable vibration measurement, reliable signal transmission, simple installation, and long-term operational performance.
Bently Nevada is an industrial monitoring brand specializing in rotating machinery monitoring, vibration measurement, machinery protection, and equipment condition monitoring technologies.
The brand provides solutions focused on improving machinery reliability, reducing unexpected downtime, and supporting predictive maintenance strategies.
Main characteristics include:
The products are commonly used in industries where rotating equipment availability and operational stability are critical.
The 990 Vibration Transmitter Series is a compact industrial vibration monitoring series designed for continuous online monitoring of rotating machinery.
The series provides vibration measurement and signal conversion functions, allowing machine condition information to be transmitted into industrial monitoring systems.
The series is designed for applications requiring reliable vibration monitoring without complicated installation procedures.
Main application areas include:
Main features include:
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 990-12-XX-01-00 108M8677-01 |
| Product Type | Industrial Vibration Transmitter |
| Product Series | 990 Vibration Transmitter Series |
| Application | Rotating Machinery Condition Monitoring |
| Measurement Function | Vibration Measurement and Signal Conversion |
| Monitoring Parameter | Shaft Vibration / 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 | Proximity Monitoring Sensor System |
| Housing Material | Industrial Metal Housing |
| Electrical Connection | Terminal Connection |
| 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 |
The 990-12-XX-01-00 108M8677-01 works by receiving vibration signals generated from rotating machinery.
The vibration sensor detects mechanical movement and transfers the signal to the transmitter. The transmitter processes the signal through internal electronic circuits and converts the information into a standardized industrial output.
The operating process includes:
This continuous monitoring method allows users to evaluate machine health in real time and detect abnormal operating conditions at an early stage.
The transmitter adopts a compact industrial structure that allows installation in areas with limited space.
The small size provides flexibility for different rotating equipment monitoring applications.
The product provides continuous vibration monitoring during equipment operation.
Continuous monitoring helps identify gradual changes in machinery condition that may not be detected through periodic inspections.
The transmitter provides reliable signal conversion and stable analog output performance.
The standardized output simplifies connection with industrial monitoring and automation systems.
The product is designed for demanding industrial environments.
It can maintain reliable operation under conditions including:
The transmitter can be integrated with:
The transmitter provides continuous vibration information for predictive maintenance programs.
By analyzing vibration trends, maintenance personnel can:
The transmitter requires minimal maintenance after installation.
Its reliable design allows long-term operation with reduced service requirements.
The transmitter is suitable for monitoring industrial compressors.
Typical applications include:
The product helps identify abnormal vibration conditions and improves compressor reliability.
Applications include:
The transmitter helps monitor turbine vibration characteristics and supports stable operation.
Suitable equipment includes:
Applications include:
Applications include:
Applications include:
| 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 systems |
| Mining | Heavy rotating machinery |
| Cement Industry | Large rotating equipment |
| Marine Industry | Propulsion and auxiliary machinery |
| Advantage | Description |
|---|---|
| High Reliability | Provides stable vibration monitoring during continuous operation |
| Accurate Measurement | Provides reliable machine condition information |
| Compact Design | Requires limited installation space |
| Easy Installation | Simplifies field installation requirements |
| Stable Signal Transmission | Provides consistent analog output performance |
| Low Maintenance | Reduces maintenance workload |
| Strong Adaptability | Suitable for different industrial environments |
| Predictive Maintenance Support | Helps detect developing faults early |
| Wide Application Range | Suitable for various rotating machinery |
| Long Service Life | Designed for extended industrial operation |
| Model | Product Type | Output Signal | Dimensions | Weight (kg) | Main Application |
|---|---|---|---|---|---|
| 990-12-XX-01-00 | 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 | General machinery monitoring |
| 990-10-XX-01-05 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Industrial vibration monitoring |
| 990-10-XX-02-00 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Equipment condition monitoring |
| 990-08-XX-01-05 | Vibration Transmitter | 4–20 mA | 120 × 80 × 55 mm | 0.46 kg | Compressor and turbine monitoring |
| 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 |
The 990-12-XX-01-00 108M8677-01 provides important benefits for modern industrial maintenance management.
Traditional maintenance methods often depend on scheduled inspections, but equipment problems may develop between inspection periods.
Continuous vibration monitoring provides real-time information about machinery condition and allows maintenance personnel to make better decisions.
The transmitter helps users:
Continuous vibration trend analysis allows maintenance teams to identify developing mechanical problems and perform corrective actions before major equipment failures occur.
The Bently Nevada 990-12-XX-01-00 108M8677-01 is a compact industrial vibration transmitter belonging to the 990 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 structure, stable signal processing, accurate vibration monitoring, easy installation, strong environmental adaptability, and excellent system compatibility, 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.