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- Bently Nevada
- 991-06-70-01-CN
- Vibration Transmitter
- USA
- 112 × 38 mm
- 0.45kg
- Xiamen, China
- New & In Stock
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Bently Nevada 991-06-70-01-CN
Comprehensive Product Overview, Technical Specifications, Product Applications, Advantages, Series Information, and Recommended Models
Product Overview
The Bently Nevada 991-06-70-01-CN is a compact industrial vibration transmitter designed for continuous monitoring of rotating machinery and industrial equipment. It is developed for applications requiring dependable vibration measurement, stable signal transmission, easy installation, and long-term operational reliability.
The transmitter belongs to the 991 Series, which is designed for permanent machine condition monitoring applications. It provides continuous measurement of overall machine housing vibration and converts the vibration signal into a standard 4–20 mA analog current output, allowing direct connection with industrial control systems, automation platforms, and machinery monitoring equipment.
The 991-06-70-01-CN integrates vibration sensing, electronic signal processing, and output conversion into a single compact industrial device. This integrated structure simplifies system design, reduces additional components, improves installation efficiency, and provides stable performance during continuous operation.
The transmitter is mainly installed on rotating equipment such as motors, pumps, compressors, fans, blowers, gearboxes, turbines, and other industrial machines. During operation, it continuously measures vibration conditions and provides information about machine operating status.
Vibration changes are important indicators of mechanical health. Increasing vibration levels may indicate developing problems such as bearing wear, rotor imbalance, shaft misalignment, mechanical looseness, coupling deterioration, lubrication problems, or structural vibration.
By providing continuous vibration data, the transmitter supports predictive maintenance programs. Maintenance personnel can analyze equipment condition trends, schedule maintenance activities more accurately, reduce unexpected equipment failures, and improve machinery availability.
The compact mechanical structure allows installation in areas with limited space. The rugged industrial design enables reliable operation in environments exposed to mechanical vibration, temperature changes, humidity, dust, oil contamination, and electrical interference.
The 991-06-70-01-CN is suitable for industries requiring reliable machinery health 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 vibration transmitter series designed for permanent installation on rotating machinery.
The series provides a simple and practical method for continuous machine condition monitoring. It combines vibration measurement technology and electronic signal processing into one integrated transmitter, reducing the need for additional signal conversion equipment.
The main purpose of the series is to provide reliable vibration information from operating machinery. By monitoring vibration levels continuously, engineers can identify abnormal operating conditions before they develop into serious mechanical failures.
Compared with temporary vibration measurement methods, permanent transmitters provide continuous monitoring data during normal operation. This allows maintenance teams to analyze vibration trends and make decisions based on actual equipment condition.
The main characteristics of the 991 Series include:
- Permanent installation capability
- Continuous vibration monitoring
- Integrated electronic processing
- Standard 4–20 mA output
- Compact industrial structure
- Stable measurement performance
- Strong environmental resistance
- Low maintenance requirements
- Easy connection with industrial systems
Typical monitored equipment includes:
- Industrial motors
- Centrifugal pumps
- Compressors
- Fans
- Blowers
- Gearboxes
- Turbine auxiliary equipment
- Cooling systems
- Process machinery
- Rotating production equipment
The series is widely applied in industries where equipment reliability and production continuity are important.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 991-06-70-01-CN |
| 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 991-06-70-01-CN is designed for permanent vibration monitoring of industrial rotating equipment. The compact structure allows direct mounting on machinery while maintaining reliable measurement performance.
The transmitter integrates vibration sensing and signal conversion functions into one device. This design reduces installation complexity and minimizes the number of external components required.
The standard 4–20 mA analog output provides excellent compatibility with industrial automation systems. The vibration information can be transmitted directly to monitoring systems for display, alarm management, trend analysis, and maintenance planning.
The transmitter uses an industrial-grade enclosure designed for long-term operation under demanding conditions.
Protection characteristics include:
- Resistance to mechanical vibration
- Protection against dust contamination
- Resistance to humidity
- Protection against oil exposure
- Stable operation under temperature changes
- Improved resistance to electrical interference
The integrated electronics provide stable signal processing and reliable measurement performance throughout long operating periods.
The compact housing allows flexible installation on different types of machinery, including equipment where installation space is limited.
The transmitter requires minimal maintenance and is suitable for critical rotating equipment operating continuously in industrial facilities.
Product Advantages
Continuous Real-Time Monitoring
The transmitter continuously measures vibration conditions while equipment is operating. This allows operators and maintenance personnel to understand machine health without stopping production.
Early Fault Detection
The device helps detect abnormal vibration trends before they become serious equipment failures.
Common detectable problems include:
- Bearing degradation
- Rotor imbalance
- Shaft misalignment
- Mechanical looseness
- Coupling problems
- Excessive vibration
- Structural vibration issues
Reliable Industrial Performance
The rugged design provides stable operation in harsh environments where equipment experiences vibration, dust, humidity, temperature variation, and electrical interference.
Easy System Integration
The standard 4–20 mA output allows direct connection with industrial control systems and monitoring platforms.
Compact Installation Design
The small housing size allows installation in locations where larger monitoring equipment cannot be used.
Lower Maintenance Requirements
Continuous condition monitoring reduces unnecessary manual inspections and allows maintenance activities to focus on equipment requiring attention.
Improved Predictive Maintenance Capability
The transmitter provides continuous vibration information, helping maintenance teams make decisions based on actual machine operating conditions.
Extended Equipment Service Life
Early detection of mechanical problems helps prevent severe damage, improve reliability, and extend machinery operating life.
Product Applications
The 991-06-70-01-CN is suitable for various industrial applications requiring continuous monitoring of rotating equipment.
Pump Monitoring
Typical applications include:
- Centrifugal pumps
- Process pumps
- Cooling water pumps
- Feed pumps
- Circulation pumps
- Transfer pumps
Motor Monitoring
Suitable for:
- Large industrial motors
- Drive motors
- Fan motors
- Pump motors
- Auxiliary motors
Compressor Monitoring
Used for:
- Air compressors
- Gas compressors
- Refrigeration compressors
- Industrial process compressors
Turbine Monitoring
Applicable to:
- Steam turbine auxiliary systems
- Gas turbine equipment
- Rotating power equipment
Industrial Machinery Monitoring
Suitable for:
- Gearboxes
- Fans
- Blowers
- Conveyors
- Cooling systems
- Mining machinery
- Chemical processing equipment
- Marine rotating systems
- Manufacturing machinery
Recommended Models from the Same Series or Related Series
| Model | Product Type | Output Signal | Power Supply | Frequency Response | Dimensions | Weight (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 |
| 991-06-70-01-05 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 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 |
| 991-06-50-01-05 | Industrial Vibration Transmitter | 4–20 mA | 24 VDC | 10 Hz–1000 Hz | Approx. 112 × 38 mm | Approx. 0.45 kg |
| 991-05-70-01-01 | 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 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 |
Product Summary
The Bently Nevada 991-06-70-01-CN 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 measurement, electronic signal processing, and 4–20 mA analog transmission into a single integrated device. This design provides a simple, reliable, and efficient solution for machinery health monitoring.
The transmitter offers stable measurement performance, compact installation dimensions, low maintenance requirements, and strong resistance to industrial environmental conditions.
By continuously monitoring vibration behavior, the device helps identify early mechanical problems including imbalance, bearing deterioration, misalignment, looseness, and abnormal operating conditions.
The 991-06-70-01-CN supports predictive maintenance strategies by improving fault detection, reducing unexpected downtime, optimizing maintenance planning, protecting critical equipment, and extending machinery 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.