991-25-70-03-00 Bently Nevada Thrust Transmitter | 4-20mA Vibration Monitor
Manufacturer: Bently Nevada
Product No.: 991-25-70-03-00
Condition： In stock
Product Type: Thrust Transmitter
Payment: T/T, Western Union
Weight: 430g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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991-25-70-03-00 Bently Nevada Thrust Transmitter | 4-20mA Vibration Monitor
The 991-25-70-03-00 is a precision-engineered thrust transmitter from Bently Nevada, designed for continuous axial position monitoring in mission-critical rotating machinery. By converting inputs from 3300 NSv proximity probes into a standardized 4-20 mA signal, this module ensures reliable communication with your existing industrial control and safety systems.
Configuration Breakdown
| Segment | Option | Description |
|---|---|---|
| Model | 991 | Axial Thrust Transmitter |
| Full-Scale | 25 | 25-0-25 mils range |
| System Length | 70 | 7.0 meters (23.0 feet) |
| Mounting | 03 | DIN rail clips and screws |
Global PLC Spare HUB's Insight
The 991-25-70-03-00 is a vital component for axial rotor protection. We particularly value its "Not OK" diagnostic capability—the transmitter drives the signal below 3.6 mA within 100 microseconds during a fault. This ultra-fast response is essential for preventing catastrophic machinery failure in compressors and turbines.
Application and Technical Advice
- Suitable Equipment: Centrifugal compressors, steam/gas turbines, and industrial pumps.
- Technical Suggestion: Always verify your probe system is the 3300 NSv type. Using non-compatible probe hardware will cause non-linear output errors in the 4-20 mA loop.
Logistics and Warranty
- Dispatch: 24-48 hour processing for in-stock orders.
- Shipping: Secure global transit via FedEx, UPS, or DHL.
- Warranty: All units include a 12-month performance guarantee.
Expert Frequently Asked Questions
Q: What does the "Not OK" signal indicate in my DCS?
A: It indicates a loss of signal (e.g., probe disconnection, cable fault, or internal power failure) that requires immediate maintenance investigation.
Q: Can I use this transmitter with a 3300 XL probe?
A: No, the 991 transmitter is explicitly tuned for the 3300 NSv system; using a different series will result in inaccurate axial position data.
Q: What is the maximum cable run for the 4-20 mA loop?
A: The loop can support up to 1,000 Ω of total resistance, which generally allows for long runs, provided your power supply voltage is at least 35 Vdc.
Q: How do I adjust the span if my reading is slightly off?
A: The module features non-interacting external zero and span adjustments; please use a precision current calibrator to verify the output against the physical gap distance.
Q: What is the benefit of the DIN rail mounting?
A: The 03 mounting option ensures secure installation in standard control cabinets, minimizing vibration-induced contact resistance at the terminals.
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Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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