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- Bently Nevada
- 991-06-XX-01-01
- Vibration Transmitter
- USA
- 112 × 38 mm
- 0.45kg
- Xiamen, China
- New & In Stock
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Bently Nevada 991-06-XX-01-01
Comprehensive Product Overview, Technical Specifications, Product Applications, Advantages, Series Information, and Recommended Models
Product Overview
The Bently Nevada 991-06-XX-01-01 is a compact industrial vibration transmitter designed for continuous monitoring of rotating machinery and critical mechanical equipment. It is developed for industrial environments where reliable vibration measurement, stable signal transmission, easy installation, and long-term operational reliability are required.
The transmitter belongs to the 991 Series, which is designed as a permanent machinery condition monitoring solution. The device provides continuous measurement of machine casing vibration and converts vibration information into a standardized 4–20 mA analog current output, allowing direct connection with industrial monitoring systems, automation equipment, and process control platforms.
The 991-06-XX-01-01 integrates vibration sensing, electronic signal conditioning, and output conversion functions into a compact industrial housing. This integrated structure simplifies system configuration, reduces the number of external components, improves installation efficiency, and provides stable monitoring performance.
The transmitter is designed for installation on rotating equipment such as motors, pumps, compressors, fans, blowers, turbines, gearboxes, and other industrial machinery. During normal operation, it continuously measures vibration levels and provides valuable information about equipment operating conditions.
Machine vibration is a key indicator of mechanical health. Changes in vibration amplitude, frequency, or operating trends can indicate developing problems such as bearing wear, rotor imbalance, shaft misalignment, mechanical looseness, coupling damage, lubrication problems, or structural resonance.
By continuously monitoring vibration conditions, the transmitter supports predictive maintenance strategies. Maintenance personnel can evaluate equipment health trends, identify potential problems before serious failures occur, improve maintenance planning, and reduce unexpected downtime.
The compact design allows flexible installation in areas where available mounting space is limited. The industrial-grade construction provides stable operation under demanding environments including continuous vibration, temperature variation, humidity, dust, oil contamination, and electrical interference.
The 991-06-XX-01-01 is suitable for industrial facilities requiring dependable machinery condition monitoring, improved equipment reliability, and efficient maintenance management.
Brand Information
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Industrial Vibration Transmitter |
| Product Type | Permanent Machinery Condition Monitoring Device |
| Product Series | 991 Series |
| Monitoring Method | Continuous Online Vibration Monitoring |
| Output Signal | 4–20 mA Analog Current Output |
| Installation Method | Direct Machine Mounting |
| Measurement Target | Machine Housing Vibration |
| Application Purpose | Predictive Maintenance and Rotating Equipment Monitoring |
Product Series Information
The 991 Series is a compact industrial vibration transmitter family designed for permanent installation on rotating machinery.
The series provides a practical solution for monitoring machine vibration by combining sensing technology, signal processing electronics, and analog output transmission into a single integrated device.
The main objective of the series is to provide continuous information about machine operating condition. By monitoring vibration changes over time, engineers can identify early warning signs of mechanical degradation and take corrective actions before equipment failure occurs.
The 991 Series is designed for applications where simplicity, reliability, and long-term operation are important. The integrated transmitter structure reduces installation complexity and allows easy connection with industrial monitoring systems.
Main characteristics of the 991 Series include:
- Permanent installation capability
- Continuous vibration monitoring
- Integrated signal conditioning
- Standard 4–20 mA output
- Compact industrial structure
- Stable long-term measurement
- Strong environmental resistance
- Low maintenance requirements
- Easy system integration
Typical monitored equipment includes:
- Electric motors
- Centrifugal pumps
- Compressors
- Industrial fans
- Blowers
- Gearboxes
- Turbine auxiliary equipment
- Cooling systems
- Process machinery
- Rotating production equipment
The series is widely used in industries where machinery availability and operational reliability are important.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 991-06-XX-01-01 |
| Product Type | Industrial Vibration Transmitter |
| Product Series | 991 Series |
| Measurement Principle | Velocity-Based Housing Vibration Measurement |
| Monitoring Mode | Continuous Online Monitoring |
| Output Signal | 4–20 mA Analog Current |
| Power Supply | 24 VDC Typical |
| Measurement Direction | Radial |
| Frequency Response | Approximately 10 Hz to 1000 Hz |
| Measurement Range | Industrial Rotating Machinery Vibration Monitoring |
| Accuracy | ±2% Full Scale (Typical) |
| Signal Conditioning | Integrated Electronic Processing |
| Response Time | Fast Dynamic Response |
| Output Characteristics | Linear Analog Current Output |
| Mounting Method | Stud Mount Installation |
| Electrical Connection | Industrial Connector |
| Housing Material | Stainless Steel |
| Protection Rating | IP65 (Typical) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +100°C |
| Electromagnetic Compatibility | Industrial EMC Protection |
| Signal Stability | High Long-Term Stability |
| Maintenance Requirement | Low Maintenance |
| Service Life | Designed for Continuous Industrial Operation |
| Dimensions | Approximately 112 × 38 mm |
| Weight (kg) | Approximately 0.45 kg |
Product Features
The 991-06-XX-01-01 is designed to provide continuous vibration monitoring for industrial rotating machinery. Its compact design allows direct installation on equipment while maintaining reliable measurement performance.
The transmitter combines vibration detection and signal conversion into one integrated unit. This reduces system complexity and eliminates the need for separate signal-processing modules in many applications.
The standard 4–20 mA analog output provides compatibility with industrial control and monitoring systems. The vibration signal can be used for:
- Equipment status monitoring
- Alarm generation
- Vibration trend analysis
- Maintenance planning
- Operating condition evaluation
The transmitter housing is designed for industrial applications and provides resistance against:
- Mechanical vibration
- Dust contamination
- Moisture
- Oil exposure
- Temperature variation
- Electrical interference
The integrated electronics provide stable signal processing and consistent measurement performance during long-term operation.
The compact housing design allows installation on different machine structures, including applications where installation space is limited.
The transmitter requires minimal maintenance and is suitable for continuous operation on important rotating equipment.
Product Advantages
Continuous Online Monitoring
The transmitter provides continuous vibration measurement while equipment is operating, allowing operators to monitor machine health without interrupting production.
Early Fault Detection
The device helps identify abnormal vibration trends before they develop into serious mechanical failures.
Typical detectable problems include:
- Bearing deterioration
- Rotor imbalance
- Shaft misalignment
- Mechanical looseness
- Coupling wear
- Excessive vibration
- Structural vibration
Reliable Industrial Performance
The rugged design allows stable operation in harsh environments with vibration, dust, humidity, temperature changes, and electrical interference.
Easy Integration with Control Systems
The standard 4–20 mA output enables simple connection with industrial automation systems and monitoring platforms.
Compact Installation Design
The small physical size allows installation on equipment where larger monitoring devices may not be suitable.
Reduced Maintenance Requirements
Continuous monitoring reduces unnecessary manual inspections and allows maintenance teams to focus on equipment requiring attention.
Improved Predictive Maintenance Capability
The transmitter provides real-time vibration information that helps maintenance personnel make decisions based on actual equipment condition.
Increased Machinery Reliability
Early identification of mechanical issues helps prevent severe damage, improve equipment availability, and extend operating life.
Product Applications
The 991-06-XX-01-01 is suitable for a wide range of industrial applications requiring continuous vibration monitoring.
Pump Applications
Typical applications include:
- Centrifugal pumps
- Process pumps
- Cooling water pumps
- Feed pumps
- Circulation pumps
- Transfer pumps
Motor Applications
Suitable for:
- Industrial electric motors
- Drive motors
- Fan motors
- Pump motors
- Auxiliary motors
Compressor Applications
Used for:
- Air compressors
- Gas compressors
- Refrigeration compressors
- Industrial process compressors
Turbine Applications
Applicable to:
- Steam turbine auxiliary equipment
- Gas turbine systems
- Rotating power equipment
General Industrial Machinery
Suitable for:
- Gearboxes
- Fans
- Blowers
- Conveyors
- Cooling tower equipment
- Mining machinery
- Chemical processing equipment
- Marine rotating systems
- Manufacturing equipment
Recommended Models from the Same Series or Related Series
| Model | Product Type | Output Signal | Power Supply | Frequency Response | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|
| 991-06-50-01-00 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 991-06-50-01-01 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 991-06-50-01-05 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 991-06-70-01-00 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 991-06-70-03-EN | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
Popular Models from the Same Brand
| Model | Product Type | Main Function | Typical Application | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 3300 XL 8 mm Proximitor Sensor | Proximity Sensor System | Shaft Position and Vibration Monitoring | Turbines, Compressors, Motors | Approx. 120 × 45 mm | Approx. 0.60 kg |
| 330103-00-05-10-02-00 | Proximity Probe | Shaft Displacement Measurement | Rotating Machinery Protection | Approx. 110 × 25 mm | Approx. 0.30 kg |
| 3500/22M | Monitoring Interface Module | Machinery Data Collection | Online Monitoring Systems | Approx. 241 × 24 × 242 mm | Approx. 0.80 kg |
| 3500/42M | Machinery Monitoring Module | Vibration and Position Monitoring | Critical Equipment Protection | Approx. 241 × 24 × 242 mm | Approx. 0.85 kg |
| 3500/40M | Machinery Monitoring Module | Shaft Position and Vibration Measurement | Industrial Rotating Equipment | Approx. 241 × 24 × 242 mm | Approx. 0.82 kg |
Product Summary
The Bently Nevada 991-06-XX-01-01 is a compact industrial vibration transmitter designed for permanent installation on rotating machinery requiring continuous condition monitoring.
As part of the 991 Series, it combines vibration sensing, electronic processing, and 4–20 mA analog signal transmission into a single integrated device. This design provides a reliable and efficient solution for industrial machinery health monitoring.
The transmitter offers stable measurement performance, compact dimensions, strong environmental resistance, and simple integration with industrial monitoring systems.
Through continuous vibration monitoring, it helps identify early mechanical problems such as imbalance, bearing deterioration, shaft misalignment, looseness, and abnormal operating conditions.
The 991-06-XX-01-01 supports predictive maintenance strategies by improving fault detection, reducing unexpected downtime, optimizing maintenance planning, protecting critical machinery, and extending equipment service life.
It is suitable for applications in power generation, petrochemical processing, oil and gas facilities, manufacturing plants, mining operations, water treatment systems, marine equipment, and other industrial environments requiring dependable rotating machinery monitoring.