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SKU:330851-02-000-080-50-00-05
330851-02-000-080-50-00-05 Bently Nevada 3300 XL 25mm Probe
Manufacturer: Bently Nevada
Product No.: 330851-02-000-080-50-00-05
Product Type: Proximity Probe
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months
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Tavsif
Product Overview
The Bently Nevada 330851-02-000-080-50-00-05 is a rugged 3300 XL 25 mm proximity probe specifically engineered for maximum survivability in the harshest steam turbine Differential Expansion (DE) environments. This large-scale sensor is designed to replace legacy 7200 25mm and 35mm systems, offering superior accuracy and thermal resilience.
Proudly Made in the U.S.A., this probe features a robust M30x2 threaded case and a 5.0-meter total length, providing the extended range and durability required for large rotating machinery protection.
Technical Configuration
- Model: 330851 (3300 XL 25 mm Proximity Probe)
- Probe Case Type (-02): M30x2 Thread
- Unthreaded Length (-000): 0 inches
- Overall Case Length (-080): 80 mm
- Total Length (-50): 5.0 meters (16.4 feet)
- Armor Option (-00): No Armor
- Agency Approval (-05): Multiple Approvals (Intrinsically Safe & Non-Incendive)
Technical Specifications
| Parameter | Details |
|---|---|
| Operating Temperature | -35°C to +200°C (up to +250°C intermittent) |
| Tip Material | Polyetheretherketone (PEEK) |
| Case Material | AISI 304 Stainless Steel (SST) |
| Cable Type | 75 Ω triaxial, PFA insulated FluidLoc cable |
| DC Resistance | 7.5 Ω ± 0.8 (Center to Outer Conductor) |
| Torque Rating | Recommended: 68 N•m (50 ft•lb) |
Engineered for Extremes
The 3300 XL 25 mm probe is built to endure. Its PEEK tip and FluidLoc triaxial cable ensure signal integrity even when exposed to high-pressure steam and turbine oils. With a short-term temperature rating of +250 °C (482 °F), it provides a safety margin for unexpected thermal excursions, ensuring your critical machinery remains protected during peak loads.
Certifications & Compliance
This probe meets global standards for hazardous area installations, including ATEX/IECEx for Zone 0 and Zone 2, and Class I, Division 2 groups A, B, C, and D. It is also compliant with maritime standards (ABS) and the RoHS Directive, making it suitable for both offshore and land-based power generation applications.
Technical FAQs
Q1: Can this probe replace my existing 7200 series 25mm probe?
A1: Yes, the 330851 series is specifically designed as a physical and functional replacement for legacy 7200 25mm and 35mm transducer systems.
Q2: What is the benefit of the FluidLoc cable?
A2: The PFA-insulated FluidLoc cable prevents moisture and oil from wicking through the cable, which is essential for maintaining accuracy in steam-saturated environments.
Q3: How should I gap this probe?
A3: Proper gapping depends on your specific Proximitor sensor calibration. Given its 25mm diameter, it is intended for large-scale displacement measurements like turbine differential expansion.
Weight: 1.5 kg
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