330525-01 Bently Nevada Velomitor XA Vibration Sensor
Manufacturer: Bently Nevada
Product No.: 330525-01
Condition： In stock
Product Type: Velocity Sensor Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 156g
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.
Guaranteed Safe Checkout
Product Overview
The 330525-01 Velomitor XA Piezo-velocity sensor from Bently Nevada provides absolute casing vibration measurements for industrial machinery. This compact transducer integrates solid-state piezoelectric technology with internal signal conditioning to monitor high-frequency seismic velocity accurately.
Configuration Breakdown and Technical Specifications
| Performance Parameter | Engineering Specification |
|---|---|
| Brand & Model | Bently Nevada | 330525-01 (Velomitor XA Series) |
| Sensitivity & Range | 3.94 mV/mm/s (100 mV/in/s) ±5% up to 1270 mm/s peak velocity |
| Frequency Response | 4.5 to 2,000 Hz (±3.0 dB) and 6.0 to 1,000 Hz (±0.9 dB) |
| Linearity & Noise Floor | ±2% linearity to 152 mm/s peak; broadband noise floor <0.004 mm/s rms |
| Electrical Power | -22 to -30 VDC input, 2.5 to 6.0 mA bias current, -12 VDC bias output |
| Environmental Rating | -55°C to +121°C operating range, 100% relative humidity, hermetically sealed |
| Mechanical Construction | 316L stainless steel housing, 156 g weight, 2-pin Mil-C-26482 connector |
Compatibility and Model Selection Guide
The 330525-01 features a CSA/NRTL/C agency approval suffix (-01). When planning upgrades or replacement matrices, evaluate alternative configuration options. For example, review the alternative specification 330525-05 if your installation environment demands alternative hazardous area certifications or European conformity standards.
Installation Guide
- Mount the sensor securely onto a flat, spot-faced machine surface to maintain high-frequency response.
- Apply a maximum recommended mounting torque of 45 N-m (33 ft-lb) using a threaded mounting stud.
- Route the signal cable carefully while maintaining a strict 1.5-inch minimum bend radius.
- Connect the hermetically sealed 2-pin Mil-C-26482 plug, ensuring Pin A references case motion toward the connector.
- Verify that field wiring length does not exceed 305 meters using compatible low-capacitance cable.
Commissioning and Maintenance Convenience
The hermetically sealed 316L stainless steel shell resists corrosive plant atmospheres, eliminating moisture ingress. The case-isolated design prevents ground loops from corrupting the dynamic -12 VDC output signal. Technicians verify sensor health rapidly by checking resting bias voltage prior to full machinery startup.
Application Scenarios and Diagnostic Capabilities
- Critical Turbomachinery: Monitors absolute bearing housing vibration on large centrifugal compressors and pumps.
- Gearbox Surveillance: Detects high-frequency mesh faults and bearing wear signatures effectively.
- Diagnostic Tracking: Isolates structural resonances and unbalance conditions through broadband velocity analysis.
Certification, Packing List, and Warranty Terms
- Hazardous Certifications: Ex ia IIC T4, Class I Div 1 Groups A-D, and Ex nA/nL approvals (-01 option).
- Packing List: One 330525-01 sensor supplied in original factory packaging.
- Warranty Terms: Backed by a comprehensive 12-month manufacturer warranty.
- Logistics: Fast 24-48 hour order dispatch via FedEx, UPS, or DHL.
Global PLC Spare HUB's Insight & Field Experience
Our engineering team at Global PLC Spare HUB frequently notes that improper stud mounting creates high-frequency signal attenuation. When installing the 330525-01, always ensure the mounting pad is polished flat and clean of paint or scale. Using a thin layer of silicone grease on the stud threads improves high-frequency transmissibility across the mounting interface.
Frequently Asked Questions (FAQ)
Q: What is the primary operational difference between velocity sensors and proximity probes?
A: Proximity probes measure relative shaft-to-housing displacement, whereas the 330525-01 measures absolute casing vibration velocity.
Q: Why does the sensor output experience signal drift during rapid thermal transients?
A: Although the unit features internal temperature compensation, sudden extreme temperature shifts can temporarily alter the piezoelectric output until thermal equilibrium stabilizes.
Q: Can I use standard unshielded twisted pair wiring for signal transmission over long distances?
A: No, you must use dedicated shielded instrumentation cable (such as BN part number 02173007) to prevent electromagnetic interference over long cable runs.
Q: How does the case-isolated design protect the monitoring rack from electrical noise?
A: Case isolation breaks ground loops between the machine casing and the monitor common circuit, eliminating 50/60 Hz grid hum.
Q: What diagnostic advantage does the 12 kHz mounted resonant frequency provide?
A: It ensures the sensor mechanical resonance stays well outside the normal operating frequency band, preventing artificial signal amplification.
Tags
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.
People Also Bought
