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SKU:330851-02-000-060-90-00-CN
Bently Nevada 330851-02-000-060-90-00-CN | Probe
Manufacturer: Bently Nevada
Product No.: 330851-02-000-060-90-00-CN
Product Type: Proximity Probe
Product Origin: USA
Payment:T/T, Western Union
Weight: 230g
Shipping port: Xiamen
Warranty: 12 months
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Tavsif
Bently Nevada 330851-02-000-060-90-00-CN 25mm Proximity Probe
The probe functions as a high-performance, non-contact eddy current transducer engineered for critical fluid-film bearing machinery monitoring. Part of the rugged 3300 XL 25mm series, this large-diameter proximity probe delivers extended linear measuring ranges alongside excellent thermal stability, making it ideal for large steam turbines, generators, and heavy industrial pumps.
Part Number Suffix Breakdown
| Thread Type (02) | M30x2 metric threaded configuration |
| Unthreaded Section (000) | 0 mm unthreaded case section length |
| Case Length (060) | 60 mm overall case length |
| Cable Length (90) | 9.0 meters (29.5 feet) integrated extension cable length |
| Armor Option (00) | Standard layout without flexible armor sleeve |
| Agency Approval (CN) | Country-specific industrial safety and hazardous location logging |
Technical Specifications
| Manufacturer | Bently Nevada |
| Probe Tip Diameter | 25 mm premium performance tip |
| Base Weight | 230 g (8.1 oz) nominal hardware mass (unarmored 1m reference) |
| Material Construction | PEEK polymer tip (V-0 rated), AISI 304 Stainless Steel shell |
| Cable Insulation | PFA high-flex coating (0.22mm / 600V rated breakdown) |
| Electrical Resistance | 8.8Ω ±1.1Ω continuous field impedance at 9.0m length |
| Dynamic Limits | Shock: 100g peak (11ms pulse) | Vibration: 20g operational (10-2000 Hz) |
| Ingress Protection | IP68 submersible moisture block seal |
Quick Installation Guide
- Mount the heavy-duty metric assembly into the designated casing tap, applying the factory recommended 68 N·m (50 ft·lb) installation torque limit.
- Route the 9.0-meter PFA-insulated coaxial cable through dedicated structural conduit, maintaining standard radius bends to secure the 8.8Ω internal electrical balance.
- Ensure proper matching with a 3300 XL 25mm proximity sensor driver to guarantee calibration linearity and sub-5 μs rapid signal response times.
Technical FAQs
Q1: What extreme thermal windows can the 330851 probe safely survive?
A1: It delivers continuous operation at 200°C (392°F) within ±1% measurement precision. For short-term plant emergencies, it maintains architectural integrity at peak exposures up to 250°C (482°F) for up to 24 hours.
Q2: Why is the probe tip engineered with PEEK polymer instead of standard plastics?
A2: Bently Nevada utilizes a premium PEEK polymer composition because of its strict V-0 flame rating and structural stability over 10,000 thermal cycles (-35°C to 200°C), blocking out media absorption in oil-rich immersion fields.
Q3: Does the unarmored 9.0-meter integrated lead line require specialized clamping?
A3: Yes, because this variant features the 00 unarmored PFA lead line, it should be continuously secured against high 20g machine vibrations to isolate the miniature coaxial connections from mechanical fatigue.
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