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- Bently Nevada
- 990-08-50-01-00
- Vibration Transmitter
- USA
- 100.1 × 73.9 × 53.3 mm
- 0.43 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 990-08-50-01-00 is a vibration transmitter from the 990 Vibration Transmitter family, intended for continuous vibration monitoring on rotating machinery. It converts vibration measurements into a transmitter output that can be integrated with plant monitoring, control, or automation equipment.
The 990 is typically used where machinery condition information needs to be made available to a control system without installing a full rack-based machinery monitoring platform at every measurement point. This makes the transmitter suitable for packaged equipment, auxiliary machinery, pumps, motors, fans, and other rotating assets where vibration trending or alarm handling is required.
In an industrial installation, the transmitter forms an interface between the vibration sensing device and the plant control or monitoring system. The sensor detects the mechanical condition of the machine, while the transmitter processes the measurement into a usable signal for downstream equipment.
The 990-08-50-01-00 is therefore best considered as part of a complete vibration measurement loop. Correct sensor selection, wiring, mounting, signal configuration, and receiving-system scaling all contribute to obtaining meaningful vibration information from the monitored machine.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 990-08-50-01-00 |
| Product Family | 990 Vibration Transmitter |
| Product Type | Vibration Transmitter |
| Application | Continuous rotating machinery vibration monitoring |
| System Role | Vibration signal transmission and monitoring interface |
| Measurement Function | Processes vibration measurement for plant monitoring or control |
| Installation | Industrial machinery monitoring systems |
| Output Interface | Transmitter output to connected monitoring or control equipment |
| Dimensions | 100.1 × 73.9 × 53.3 mm |
| Weight | 0.43 kg |
Product Features
- Part of the Bently Nevada 990 Vibration Transmitter family.
- Provides a practical interface between vibration sensing and plant-level monitoring equipment.
- Suitable for continuous monitoring of rotating machinery.
- Can be integrated into control, monitoring, and machinery protection-related applications.
- Supports vibration measurement on packaged and auxiliary rotating equipment.
- Provides a transmitter-based approach where a compact monitoring interface is preferred.
- Suitable for machinery condition monitoring installations requiring continuous vibration information.
Working Principle
The 990-08-50-01-00 receives a vibration measurement from the associated sensing device and converts the measurement into a usable transmitter signal for downstream equipment.
The vibration sensor responds to mechanical movement of the monitored machine. The transmitter conditions the incoming measurement and presents the resulting vibration information to a connected control or monitoring system. The receiving system can then use the signal for display, trending, alarm handling, or further machinery analysis.
Vibration Sensor → 990 Vibration Transmitter → Transmitter Output → PLC / DCS / Monitoring System
The transmitter therefore acts as the signal-conditioning and interface point between the machine-mounted sensor and the plant automation system. Proper configuration of the sensor, transmitter, wiring, and receiving input is necessary to maintain correct measurement scaling.
Role in a Rotating Machinery Vibration Monitoring Architecture
The 990-08-50-01-00 occupies the field transmitter layer of a vibration monitoring architecture. It takes the measurement from the associated sensor and makes that information available to the plant control or monitoring system.
| System Element | Function |
|---|---|
| Vibration Sensor | Detects mechanical vibration from the monitored machine |
| 990-08-50-01-00 | Conditions and transmits the vibration measurement |
| Signal Wiring | Carries the transmitter output to the receiving system |
| PLC / DCS | Receives and processes the vibration signal within the plant automation system |
| HMI / SCADA | Displays and trends vibration information for operators |
| Rotating Machinery | Generates the mechanical vibration being monitored |
Industrial Applications
| Application | Typical Use |
|---|---|
| Pumps | Continuous vibration monitoring for rotating pump equipment |
| Motors | Monitoring mechanical vibration during normal operation |
| Fans and Blowers | Detecting changes in vibration behavior during operation |
| Compressors | Providing vibration information to plant monitoring systems |
| Auxiliary Machinery | Monitoring rotating equipment outside a centralized machinery protection rack |
| Packaged Equipment | Integrating vibration measurement into OEM equipment control systems |
Installation and Maintenance
- Verify the 990-08-50-01-00 model and intended measurement configuration before installation.
- Confirm that the selected vibration sensor is compatible with the transmitter application.
- Mount the transmitter securely in the designated equipment or instrumentation location.
- Keep signal wiring separated from high-noise power circuits where practical.
- Check all field connections for correct termination and secure mechanical contact.
- Verify the sensor connection before applying system power.
- Confirm that the receiving PLC, DCS, or monitoring input is configured for the transmitter signal.
- Check signal scaling so that the displayed vibration value corresponds correctly to the transmitter output.
- Inspect wiring and connectors periodically for looseness, corrosion, insulation damage, or mechanical stress.
- Compare transmitter readings with expected machine operating conditions during commissioning.
- If an abnormal vibration indication occurs, check the sensor, wiring, transmitter, and receiving input as a complete signal chain.
- During replacement, verify the complete measurement loop before returning the monitored equipment to normal service.
Related Components
| Component | Function |
|---|---|
| Bently Nevada Vibration Sensor | Detects vibration from the monitored rotating machine |
| Sensor Cable | Transfers the vibration measurement to the transmitter |
| 990-08-50-01-00 | Conditions and transmits the vibration measurement |
| PLC / DCS Analog Input | Receives the transmitter output for control-system processing |
| HMI / SCADA | Displays and trends the vibration measurement |
| Machinery Monitoring System | Provides additional machinery condition monitoring and analysis where required |
Recommended Related Models
| Model | Product Type | Typical Application |
|---|---|---|
| Bently Nevada 990-08-50-01-00 | 990 Vibration Transmitter | Continuous vibration monitoring |
| Bently Nevada 990 Vibration Transmitter | Vibration Transmitter | Rotating machinery monitoring |
| Bently Nevada 3300 XL Proximity Probe | Proximity Probe | Shaft vibration and position measurement |
| Bently Nevada 3500 Series | Machinery Monitoring System | Centralized machinery condition monitoring |
Key Advantages
- Provides a compact interface for continuous vibration monitoring.
- Connects vibration sensing with plant automation and monitoring systems.
- Suitable for pumps, motors, fans, compressors, and auxiliary rotating equipment.
- Supports transmitter-based vibration measurement architectures.
- Practical for installations where vibration information must be integrated into a PLC, DCS, or monitoring system.
Technical FAQs
What is the primary function of the Bently Nevada 990-08-50-01-00?
The 990-08-50-01-00 is a vibration transmitter that receives a vibration measurement from an associated sensor and provides a transmitter output for connection to plant monitoring or control equipment.
Where is the 990 Vibration Transmitter typically used?
It can be used on rotating machinery such as pumps, motors, fans, blowers, compressors, and packaged equipment where continuous vibration information needs to be integrated into a plant monitoring or automation system.
Is the 990-08-50-01-00 itself a vibration sensor?
No. The transmitter and sensor perform different functions. The sensor detects the machine vibration, while the 990 transmitter processes and transmits the resulting measurement to the receiving system.
What should be checked if the vibration value appears incorrect?
Check the complete measurement chain, including the vibration sensor, sensor wiring, transmitter connections, receiving-system input configuration, and signal scaling. Comparing the transmitter reading with the actual machine operating condition can also help identify whether the issue originates at the sensor, transmitter, or receiving system.