Bently Nevada 991-06-70-01-00 Thrust Position Transmitter
Bently Nevada 991-06-70-01-00 Thrust Position Transmitter
Manufacturer: Bently Nevada
Product No.: 991-06-70-01-00
Condition:1000 in stock
Product Type: Thrust Position Transmitter
Product Origin: 8509910670010
Payment: T/T, Western Union
Weight: 820g
Shipping port: Xiamen
Warranty: 12 months
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Bently Nevada 991-06-70-01-00 Thrust Position Transmitter
The Bently Nevada 991-06-70-01-00 is a precision thrust position transmitter engineered for continuous monitoring of axial shaft position in critical turbomachinery applications. This industrial-grade instrument converts proximity probe signals into industry-standard 4-20mA current loop outputs, enabling seamless integration with distributed control systems (DCS), programmable logic controllers (PLC), and SCADA platforms.
Technical Specifications
- Model Number: 991-06-70-01-00
- Series: 991 Thrust Position Transmitter
- System Length: 5.0 meters (16.4 feet)
- Output Signal: 4-20mA DC current loop (2-wire)
- Measurement Range: 0 to 100 mils (0 to 2.54 mm) axial displacement
- Accuracy: ±0.25% of full scale at 25°C
- Linearity: ±0.5% of full scale over operating range
- Power Supply: 12-30 VDC (loop-powered)
- Load Resistance: Maximum 800Ω at 24 VDC
- Operating Temperature: -30°C to +65°C (-22°F to +149°F)
- Response Time: <100 milliseconds to 90% of final value
- Housing Material: Stainless steel 316L for corrosion resistance
- Environmental Rating: IP65 (dust-tight and water-resistant)
Advanced Measurement Technology
The 991-06-70-01-00 employs sophisticated signal conditioning circuitry to deliver exceptional performance:
- Dual-Channel Processing: Accepts two proximity probe inputs for differential thrust measurement, automatically calculating net axial position
- Temperature Compensation: Internal algorithms correct for thermal drift across the full operating range, maintaining ±0.25% accuracy
- Noise Rejection: Advanced filtering eliminates electrical interference from variable frequency drives (VFD) and high-voltage switchgear
- Self-Diagnostics: Continuous monitoring of probe health, cable integrity, and power supply status with fault indication
- Scalable Output: Field-adjustable zero and span settings allow customization for specific machinery clearances
Application Scenarios
The 991-06-70-01-00 thrust transmitter is essential for protecting high-value rotating assets:
- Steam Turbines: Monitor thrust bearing wear in power generation units, preventing catastrophic failures that could cost millions in downtime and repairs
- Gas Turbines: Track axial rotor position in jet engines and industrial gas turbines where thermal expansion affects clearances
- Centrifugal Compressors: Detect thrust bearing degradation in pipeline compressors before performance deteriorates or seizure occurs
- Hydro Turbines: Measure runner axial movement in hydroelectric generators subjected to varying hydraulic loads
- Large Motors: Protect critical induction motors and synchronous machines from magnetic center misalignment
- Gearboxes: Monitor axial float in high-speed gear trains where excessive thrust indicates bearing failure or lubrication issues
Integration & Compatibility
The 991 transmitter seamlessly interfaces with existing monitoring infrastructure:
- Proximity Probe Compatibility: Works with Bently Nevada 3300 XL, 3300 NSv, and legacy 7200 series proximity sensors
- DCS Integration: 4-20mA output connects directly to Emerson DeltaV, Honeywell Experion, ABB 800xA, and Yokogawa Centum analog input cards
- PLC Connectivity: Compatible with Allen-Bradley ControlLogix, Siemens S7, and Schneider Modicon analog modules
- SCADA Systems: Interfaces with Wonderware, iFIX, and other supervisory platforms via analog input servers
- Relay Logic: Supports connection to alarm panels and emergency shutdown (ESD) systems for critical trip functions
Installation & Commissioning
Proper installation ensures optimal measurement accuracy and long-term reliability:
- Mounting Location: Install in a vibration-free area within 5 meters of proximity probes; avoid locations with temperature extremes
- Wiring Practices: Use shielded twisted-pair cable for 4-20mA output; ground shield at DCS/PLC end only to prevent ground loops
- Probe Alignment: Position proximity probes 180° apart on thrust collar for accurate differential measurement
- Calibration Procedure: Set zero point with rotor at normal operating position; adjust span to match expected thrust range
- Verification Testing: Simulate probe gap changes using calibration shims; verify 4-20mA output tracks linearly across full range
Operational Benefits
Deploying the 991-06-70-01-00 delivers measurable improvements in machinery reliability:
- Early Fault Detection: Identify thrust bearing degradation 3-6 months before failure, enabling planned maintenance during scheduled outages
- Reduced Downtime: Prevent unplanned shutdowns that cost $50,000-$500,000 per day in lost production
- Extended Bearing Life: Optimize lubrication and loading conditions based on real-time thrust data, increasing bearing service life by 20-40%
- Regulatory Compliance: Meet API 670 machinery protection standards required for critical rotating equipment
- Insurance Benefits: Demonstrate proactive monitoring to reduce machinery breakdown insurance premiums
Maintenance & Troubleshooting
Routine maintenance ensures continued accuracy and reliability:
- Quarterly Inspection: Verify 4-20mA output matches expected thrust position; check for cable damage or connector corrosion
- Annual Calibration: Compare transmitter output against known gap standards; adjust zero and span if drift exceeds ±0.5%
- Probe Replacement: When replacing proximity probes, recalibrate transmitter to account for probe-to-probe variations
- Common Issues: Erratic output typically indicates loose probe connections or damaged extension cables; verify continuity and insulation resistance
- Spare Parts Strategy: Maintain one spare transmitter per 10 installed units for critical machinery applications
Quality Assurance
Every 991-06-70-01-00 transmitter undergoes comprehensive factory testing:
- 100% functional testing with simulated proximity probe inputs across full measurement range
- Temperature cycling from -30°C to +65°C to verify compensation algorithms
- Vibration testing per MIL-STD-810 to ensure housing integrity and circuit board reliability
- EMI/RFI immunity testing to confirm operation in electrically noisy industrial environments
- Backed by Bently Nevada's global technical support network and genuine OEM warranty
Related Products
| Product | Description | Link |
|---|---|---|
| 284398-01 | Bently Nevada Thrust Transmitter with Extended Range | View Product |
| 990-05-70-01-01 | Bently Nevada Vibration Transmitter for Radial Monitoring | View Product |
| 3500/42E | Bently Nevada 3500 Series Vibration Monitor Module | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191
Product Description
Bently Nevada 991-06-70-01-00 Thrust Position Transmitter
The Bently Nevada 991-06-70-01-00 is a precision thrust position transmitter engineered for continuous monitoring of axial shaft position in critical turbomachinery applications. This industrial-grade instrument converts proximity probe signals into industry-standard 4-20mA current loop outputs, enabling seamless integration with distributed control systems (DCS), programmable logic controllers (PLC), and SCADA platforms.
Technical Specifications
- Model Number: 991-06-70-01-00
- Series: 991 Thrust Position Transmitter
- System Length: 5.0 meters (16.4 feet)
- Output Signal: 4-20mA DC current loop (2-wire)
- Measurement Range: 0 to 100 mils (0 to 2.54 mm) axial displacement
- Accuracy: ±0.25% of full scale at 25°C
- Linearity: ±0.5% of full scale over operating range
- Power Supply: 12-30 VDC (loop-powered)
- Load Resistance: Maximum 800Ω at 24 VDC
- Operating Temperature: -30°C to +65°C (-22°F to +149°F)
- Response Time: <100 milliseconds to 90% of final value
- Housing Material: Stainless steel 316L for corrosion resistance
- Environmental Rating: IP65 (dust-tight and water-resistant)
Advanced Measurement Technology
The 991-06-70-01-00 employs sophisticated signal conditioning circuitry to deliver exceptional performance:
- Dual-Channel Processing: Accepts two proximity probe inputs for differential thrust measurement, automatically calculating net axial position
- Temperature Compensation: Internal algorithms correct for thermal drift across the full operating range, maintaining ±0.25% accuracy
- Noise Rejection: Advanced filtering eliminates electrical interference from variable frequency drives (VFD) and high-voltage switchgear
- Self-Diagnostics: Continuous monitoring of probe health, cable integrity, and power supply status with fault indication
- Scalable Output: Field-adjustable zero and span settings allow customization for specific machinery clearances
Application Scenarios
The 991-06-70-01-00 thrust transmitter is essential for protecting high-value rotating assets:
- Steam Turbines: Monitor thrust bearing wear in power generation units, preventing catastrophic failures that could cost millions in downtime and repairs
- Gas Turbines: Track axial rotor position in jet engines and industrial gas turbines where thermal expansion affects clearances
- Centrifugal Compressors: Detect thrust bearing degradation in pipeline compressors before performance deteriorates or seizure occurs
- Hydro Turbines: Measure runner axial movement in hydroelectric generators subjected to varying hydraulic loads
- Large Motors: Protect critical induction motors and synchronous machines from magnetic center misalignment
- Gearboxes: Monitor axial float in high-speed gear trains where excessive thrust indicates bearing failure or lubrication issues
Integration & Compatibility
The 991 transmitter seamlessly interfaces with existing monitoring infrastructure:
- Proximity Probe Compatibility: Works with Bently Nevada 3300 XL, 3300 NSv, and legacy 7200 series proximity sensors
- DCS Integration: 4-20mA output connects directly to Emerson DeltaV, Honeywell Experion, ABB 800xA, and Yokogawa Centum analog input cards
- PLC Connectivity: Compatible with Allen-Bradley ControlLogix, Siemens S7, and Schneider Modicon analog modules
- SCADA Systems: Interfaces with Wonderware, iFIX, and other supervisory platforms via analog input servers
- Relay Logic: Supports connection to alarm panels and emergency shutdown (ESD) systems for critical trip functions
Installation & Commissioning
Proper installation ensures optimal measurement accuracy and long-term reliability:
- Mounting Location: Install in a vibration-free area within 5 meters of proximity probes; avoid locations with temperature extremes
- Wiring Practices: Use shielded twisted-pair cable for 4-20mA output; ground shield at DCS/PLC end only to prevent ground loops
- Probe Alignment: Position proximity probes 180° apart on thrust collar for accurate differential measurement
- Calibration Procedure: Set zero point with rotor at normal operating position; adjust span to match expected thrust range
- Verification Testing: Simulate probe gap changes using calibration shims; verify 4-20mA output tracks linearly across full range
Operational Benefits
Deploying the 991-06-70-01-00 delivers measurable improvements in machinery reliability:
- Early Fault Detection: Identify thrust bearing degradation 3-6 months before failure, enabling planned maintenance during scheduled outages
- Reduced Downtime: Prevent unplanned shutdowns that cost $50,000-$500,000 per day in lost production
- Extended Bearing Life: Optimize lubrication and loading conditions based on real-time thrust data, increasing bearing service life by 20-40%
- Regulatory Compliance: Meet API 670 machinery protection standards required for critical rotating equipment
- Insurance Benefits: Demonstrate proactive monitoring to reduce machinery breakdown insurance premiums
Maintenance & Troubleshooting
Routine maintenance ensures continued accuracy and reliability:
- Quarterly Inspection: Verify 4-20mA output matches expected thrust position; check for cable damage or connector corrosion
- Annual Calibration: Compare transmitter output against known gap standards; adjust zero and span if drift exceeds ±0.5%
- Probe Replacement: When replacing proximity probes, recalibrate transmitter to account for probe-to-probe variations
- Common Issues: Erratic output typically indicates loose probe connections or damaged extension cables; verify continuity and insulation resistance
- Spare Parts Strategy: Maintain one spare transmitter per 10 installed units for critical machinery applications
Quality Assurance
Every 991-06-70-01-00 transmitter undergoes comprehensive factory testing:
- 100% functional testing with simulated proximity probe inputs across full measurement range
- Temperature cycling from -30°C to +65°C to verify compensation algorithms
- Vibration testing per MIL-STD-810 to ensure housing integrity and circuit board reliability
- EMI/RFI immunity testing to confirm operation in electrically noisy industrial environments
- Backed by Bently Nevada's global technical support network and genuine OEM warranty
Related Products
| Product | Description | Link |
|---|---|---|
| 284398-01 | Bently Nevada Thrust Transmitter with Extended Range | View Product |
| 990-05-70-01-01 | Bently Nevada Vibration Transmitter for Radial Monitoring | View Product |
| 3500/42E | Bently Nevada 3500 Series Vibration Monitor Module | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191