Bently Nevada 330908-12-20-70-02-05 3300 NSv Proximity Probe

Manufacturer: Bently Nevada
Product No.: 330908-12-20-70-02-05
Condition： In stock
Product Type: Proximity Probe
Product Origin: USA
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

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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Product Overview

Engineers design the 330908-12-20-70-02-05 from the 3300 NSv series for precise machinery vibration monitoring. Bently Nevada manufactures this high-performance proximity probe to track shaft dynamic motion accurately. Industrial operators deploy this sensor in critical rotating machinery applications.

Technical Specifications

Parameter Category	Specification Details
Brand & Model	Bently Nevada, 330908-12-20-70-02-05
Product Series	3300 NSv Proximity Probe Series
Measurement Range & Linearity	Linear range approximately 2 mm (80 mils); high linearity for tight spaces.
Sensitivity & Frequency Response	Sensitivity nominal 7.87 V/mm (200 mV/mil); frequency response 0 to 10 kHz.
Electrical Properties	DC resistance 5.9 ± 0.9 ohms; 75 ohm coaxial FEP insulated cable.
Physical Dimensions	Thread size 3/8-24 UNF; unthreaded length 1.2 in; case length 2.0 in; total length 7.0 meters.
Materials	AISI304 stainless steel case; Polyphenylene sulfide (PPS) tip; Viton O-ring seal.
Temperature Range	Operating and storage temperature -52°C to +177°C (-62°F to +351°F).

Installation Guide

Technicians clean the mounting hole thoroughly before probe insertion.
Operators apply a recommended torque of 11.3 N•m (100 in•lb) during installation.
Avoid exceeding the maximum torque limit of 33.9 N•m (300 in•lb).
Maintain thread engagement within the 0.563 inch maximum limit.
Protect the probe tip from temperatures below -34°C during initial setup to preserve pressure seals.

Commissioning and Maintenance Convenience

Field technicians benefit from the miniature coaxial ClickLoc connector. This connector ensures secure cable fastening without requiring specialized tools. Maintenance teams verify probe integrity quickly using standard multimeter resistance checks across conductors.

Compatibility and Certifications

The 330908-12-20-70-02-05 integrates seamlessly with 3300 monitoring systems and extension cables. The unit carries multiple agency approvals for hazardous area compliance. Operators deploy this sensor safely in explosive industrial environments.

Package List and Warranty Terms

One 330908-12-20-70-02-05 proximity probe unit.
Standard factory calibration data sheet.
Comprehensive installation instructions.
Full 12-month quality warranty covering manufacturing defects.

Shipping and Logistics

We process orders rapidly for industrial clients. Our team dispatches items within 24 to 48 hours globally. We ship securely using trusted carriers including FedEx, UPS, and DHL.

Typical Application Scenarios and Diagnostic Capabilities

Ideal for steam turbines, gas compressors, and large centrifugal pumps.
Detects rotor unbalance, shaft misalignment, and bearing wear early.
Measures radial vibration and axial position with high precision.
Provides reliable diagnostics in narrow clearances where standard probes fail.

Global PLC Spare HUB's Insight

Our engineering team evaluated the 330908-12-20-70-02-05 during a high-speed compressor overhaul. The NSv design delivered stable readings despite severe oil contamination in the bearing housing. Field technicians noted that the ClickLoc connector reduced installation time by half compared to threaded screw types. We recommend verifying cable routing paths away from high-voltage lines to maintain signal purity.

Model Comparison and Selection Guide

Model Number	Cable Length	Key Difference
330908-12-20-70-02-05 (Current Product)	7.0 Meters	Standard 7m cable configuration for long-distance panel routing.
330908-12-31-10-02-05	1.0 Meter	Shorter cable option for compact machinery junction setups.

Frequently Asked Questions

Question: Can I install this probe in high-pressure steam turbines?

Answer: Yes, the Viton O-ring seal handles differential pressure effectively between the probe tip and case.

Question: What causes premature pressure seal failure?

Answer: Exposing the probe tip to temperatures below -34°C for sustained periods compromises the seal integrity.

Question: How do I select the correct cable length option?

Answer: Measure the physical distance from your probe mounting location to the proximity monitor enclosure before ordering.

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.