Brand:Bently Nevada PLC Item No.: 991-06-70-03-EN Product Origin:USA Product Dimensions:100 × 74 × 53.3 mm Product Weight:0.43kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Bently Nevada 991-06-70-03-EN Thrust Transmitter is a compact, loop-powered monitoring device developed for continuous axial displacement measurement in rotating machinery. Designed specifically for OEM machinery protection applications, it integrates signal conditioning and Proximitor functionality into a single enclosure, eliminating the need for external signal conditioning hardware. Compatible with the 3300 NSv proximity transducer system, it delivers a precise 4–20 mA output for straightforward integration into modern automation platforms.
With its robust industrial design, dependable measurement accuracy, and simplified installation, the 991 Thrust Transmitter helps improve machinery availability, supports predictive maintenance programs, and enhances the protection of critical rotating assets across a wide range of industrial environments.
Technical Specifications
Specification
Details
Manufacturer
Bently Nevada
Model
991-06-70-03-EN
Product Type
Thrust Transmitter
Series
991
Measurement
Axial Position (Thrust)
Input
3300 NSv Proximity Probe System
Output Signal
4–20 mA
Power Supply
Two-wire Loop Powered
System Length
7.0 m (23 ft)
Mounting Option
Bulkhead Mounting
Diagnostic Output
PROX OUT
Operating Temperature
-30°C to +85°C
Protection
Potted Industrial Construction
Compatible Systems
PLC, DCS, SCADA, Machinery Protection Systems
Dimensions
Approx. 118 × 90 × 35 mm
Weight
Approx. 0.45 kg
Recommended Companion Models
Model
Product Name
330905-06-14-10-02-00
NSv Proximity Probe
330130-080-00-05
3300 XL Extension Cable
3500/40M-01-00
Proximitor Monitor Module
3500/22M-01-01
Transient Data Interface Module
Frequently Selected Alternatives
Model
Product Name
991-06-70-03-00
Thrust Transmitter
991-06-70-03-05
Thrust Transmitter
991-06-70-02-00
Thrust Transmitter
991-25-70-03-00
Thrust Transmitter
Where It Excels in Industrial Use
• Axial Position Monitoring for Critical Rotating Machinery
The Bently Nevada 991-06-70-03-EN Thrust Transmitter is engineered to provide continuous axial displacement (thrust) measurement for centrifugal compressors, steam turbines, pumps, motors, and other rotating equipment requiring reliable shaft position monitoring. It converts probe signals into a standard 4–20 mA output for seamless integration with plant control systems.
• OEM Machinery Integration
Specifically developed for OEM applications, the transmitter simplifies machinery protection by combining signal conditioning and Proximitor functionality into a single compact device, reducing installation complexity.
• Industrial Automation Systems
Ideal for connection to PLC, DCS, and SCADA platforms, providing accurate thrust position data for condition monitoring, alarm management, and predictive maintenance strategies.
• Harsh Industrial Environments
Its sealed construction and wide operating temperature range make it suitable for demanding applications in oil & gas, petrochemical, power generation, and heavy industrial facilities.
Key Strengths at a Glance
• Integrated Proximitor Electronics
Eliminates the need for a separate external Proximitor Sensor, simplifying installation and reducing wiring requirements.
• Industry-Standard 4–20 mA Output
Provides a linear current signal proportional to shaft axial position for direct integration with industrial automation systems.
• Compatible with 7 m NSv Probe Systems
Designed for use with Bently Nevada 3300 NSv proximity probes and matching extension cables configured for a 7-meter transducer system.
• Compact DIN-Rail or Panel Installation
Offers flexible mounting options suitable for OEM control panels and industrial monitoring cabinets while minimizing installation space.
Technical FAQs
1. What is the primary purpose of the Bently Nevada 991-06-70-03-EN?
It converts axial shaft displacement measurements into a 4–20 mA signal for machinery control and monitoring systems.
2. Which measurement does this transmitter provide?
It measures axial shaft position (thrust) rather than radial vibration.
3. Is an external Proximitor Sensor required?
No. The 991 Thrust Transmitter incorporates integrated Proximitor electronics.
4. Which proximity probes are compatible with this transmitter?
It is designed for use with compatible Bently Nevada 3300 NSv proximity probes and matching extension cables.
5. What output signal does the transmitter provide?
It delivers an industry-standard 4–20 mA analog output proportional to shaft axial displacement.
6. Can it be connected directly to a PLC or DCS?
Yes. The 4–20 mA output is intended for direct connection to PLC, DCS, and other industrial control systems.
7. Is the transmitter loop powered?
Yes. It operates as a two-wire, loop-powered transmitter.
8. What machinery commonly uses this transmitter?
Typical applications include centrifugal compressors, turbines, pumps, fans, and industrial motors requiring thrust position monitoring.
9. Does the transmitter provide a diagnostic signal?
Yes. In addition to the 4–20 mA output, it provides PROX OUT terminals for diagnostic measurements.
10. How does the 991 transmitter improve equipment reliability?
By continuously monitoring shaft axial movement, it helps detect excessive thrust conditions before they result in bearing or rotor damage.
