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The Bently Nevada 991-06-XX-01-05 (164113-01) is a compact industrial vibration transmitter designed for continuous monitoring of rotating machinery and industrial mechanical equipment. It is developed for applications where reliable vibration measurement, stable signal output, simple installation, and long-term operational performance are essential.
The transmitter is part of the 991 Series, a family of permanently installed vibration monitoring devices designed for industrial machinery condition monitoring. The device provides continuous measurement of overall machine housing vibration and converts the measured vibration signal into a standardized 4–20 mA analog current output, allowing convenient integration with industrial control systems, automation platforms, and machinery monitoring equipment.
The 991-06-XX-01-05 (164113-01) combines vibration sensing technology, internal signal processing electronics, and output conversion functions into one compact industrial unit. This integrated structure reduces system complexity, simplifies installation, improves signal reliability, and minimizes the need for additional external signal-conditioning equipment.
The transmitter is designed for direct installation on rotating equipment such as motors, pumps, compressors, fans, blowers, gearboxes, turbines, and other industrial machinery. During operation, it continuously monitors vibration conditions and provides important information about equipment operating health.
Vibration behavior is one of the most important indicators used to evaluate the condition of rotating machinery. Changes in vibration level can indicate developing mechanical problems such as bearing degradation, rotor imbalance, shaft misalignment, mechanical looseness, coupling damage, lubrication problems, or structural vibration issues.
By providing continuous vibration monitoring, the transmitter supports predictive maintenance strategies. Maintenance personnel can identify abnormal operating conditions at an early stage, arrange inspections before serious failures occur, reduce unexpected downtime, and improve overall equipment availability.
The compact mechanical design allows flexible installation in areas with limited mounting space. The industrial construction provides reliable operation under demanding conditions including continuous mechanical vibration, temperature variation, humidity, dust, oil contamination, and electrical interference.
The 991-06-XX-01-05 (164113-01) is suitable for industrial applications requiring dependable machinery health monitoring, improved reliability, and efficient maintenance management.
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Industrial Vibration Transmitter |
| Product Type | Permanent Machinery Condition Monitoring Device |
| Product Series | 991 Series |
| Model Number | 991-06-XX-01-05 |
| Part Number | 164113-01 |
| 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 Equipment Condition Monitoring |
The 991 Series is a compact vibration transmitter family designed for permanent installation on industrial rotating machinery.
The series provides a practical solution for machinery condition monitoring by combining vibration sensing, signal conversion, and analog transmission into a single integrated device.
The main purpose of the 991 Series is to provide continuous information about machine vibration conditions during normal operation. By tracking vibration levels over time, engineers can identify early signs of equipment deterioration and take preventive actions before major mechanical failures occur.
Unlike temporary vibration measurement methods, permanently installed transmitters provide continuous monitoring capability. This allows maintenance teams to analyze vibration trends, compare operating conditions, and make decisions based on actual machine performance.
The integrated structure of the series reduces installation complexity and improves system reliability by reducing the requirement for additional external equipment.
Main characteristics of the 991 Series include:
Typical monitored equipment includes:
The series is widely used in industries where equipment reliability, production continuity, and operational safety are important.
| Parameter | Specification |
|---|---|
| Model | 991-06-XX-01-05 (164113-01) |
| 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 |
The 991-06-XX-01-05 (164113-01) is designed to provide continuous vibration monitoring for rotating machinery operating in industrial environments.
The transmitter integrates vibration measurement and signal conversion functions into one compact unit. This integrated design reduces the complexity of traditional monitoring systems and provides a more efficient installation solution.
The standard 4–20 mA analog output allows direct connection with industrial monitoring systems. The vibration information can be used for:
The transmitter housing is designed for industrial operating conditions and provides protection against:
The internal electronics provide stable signal processing and consistent measurement performance during long-term operation.
The compact structure allows installation on different types of industrial equipment, including machinery with limited available mounting space.
The transmitter requires minimal maintenance and is suitable for continuous operation on important rotating equipment.
The transmitter continuously measures vibration conditions while equipment is operating, allowing operators to monitor machine health without stopping production.
The device helps identify abnormal vibration trends before they develop into serious mechanical failures.
Typical detectable conditions include:
The rugged design provides stable performance in harsh industrial environments with vibration, dust, humidity, temperature changes, and electrical interference.
The standard 4–20 mA output allows simple connection with industrial automation and monitoring systems.
The small housing size allows flexible installation on different machine structures and locations.
Continuous monitoring reduces unnecessary manual inspections and allows maintenance resources to focus on equipment requiring attention.
The transmitter provides continuous vibration information, allowing maintenance teams to make decisions based on actual equipment condition.
Early detection of mechanical problems helps prevent severe damage, reduce downtime, and extend machinery operating life.
The 991-06-XX-01-05 (164113-01) is suitable for many industrial applications requiring permanent vibration monitoring.
Common applications include:
Suitable for:
Used for:
Applicable to:
Suitable for:
| Model | Product Type | Output Signal | Power Supply | Frequency Response | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|
| 991-06-XX-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 |
| 991-06-70-01-05 | 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 |
| 991-06-70-03-RU | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 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 Acquisition | 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 |
The Bently Nevada 991-06-XX-01-05 (164113-01) is a compact and reliable industrial vibration transmitter designed for permanent installation on rotating machinery requiring continuous condition monitoring.
As a member 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 simple, reliable, and efficient solution for machinery health monitoring.
The transmitter provides stable measurement performance, compact installation dimensions, strong environmental resistance, and easy 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-01-05 (164113-01) 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.