Product Overview

The Bently Nevada 330102-00-28-10-02-00 3300 XL 8mm Proximity Probe provides the high-precision displacement data critical for modern machinery protection systems. As a non-contacting sensor, it excels in measuring radial vibration, shaft position, and speed on high-speed rotating assets. This metric-threaded probe is engineered to meet global industrial standards, ensuring seamless integration with the Bently Nevada 3500 Monitoring System and advanced DCS platforms like Honeywell Experion PKS.

Designed to operate in the most punishing industrial environments, this probe maintains absolute signal integrity even in oil-saturated bearing housings. It serves as a frontline defense against mechanical failure in steam turbines, centrifugal compressors, and large-scale motors. By delivering a consistent 200 mV/mil scale factor, the 3300 XL series allows operators to identify subtle rotor instabilities or bearing degradation before they escalate into costly unplanned outages.

Hardware Configuration & Suffix Logic

330102-00-28-10-02-00 Suffix Decoding

Each alphanumeric segment in this Bently Nevada model string specifies a mechanical or electrical attribute essential for field installation.

Unthreaded Length (-00)

The 00 suffix indicates a fully threaded probe case. This configuration provides maximum flexibility for technicians to adjust the probe depth precisely within the mounting bracket or housing to reach the target shaft.

Overall Case Length (-28)

This specifies a 2.8-inch overall case length. The compact body allows for installation in bearing housings with limited external clearance while maintaining the mechanical rigidity required for high-frequency sensing.

Total Length (-10)

This designates a 1.0-meter (3.3 feet) integral cable lead. To maintain the electrical resonance of the 5.0m or 9.0m system, this cable must be matched with the corresponding 3300 XL extension cable and Proximitor.

Connector Option (-02)

Equipped with a miniature coaxial connector and a factory-installed connector protector. This protector is vital for preventing oil and moisture ingress from degrading signal quality at the junction point.

Agency Approvals (-00)

The 00 code represents the standard configuration with no specific agency approvals (Non-Ex). This version is typically utilized in non-hazardous areas or general industrial environments where standard performance is required.

Technical Specifications

Precision Commissioning Protocol

Gap Voltage Adjustment

Proper mechanical gapping is paramount for signal accuracy. Set the probe tip-to-target distance to achieve a quiescent gap voltage of -10.00 VDC at the Proximitor output. This centers the sensor within its 80-mil linear range, allowing for maximum shaft excursion without signal clipping or non-linearity.

Target Surface Requirements

The 3300 XL system is factory-calibrated for AISI 4140 steel targets. If your shaft material differs, you must apply a correction factor to the monitor settings. Ensure the target surface is smooth and free from mechanical "runout" to prevent false vibration readings.

Cable Management

Maintain a minimum bend radius of 25.4 mm (1.0 inch) for the integral lead. Never kink the coaxial cable, as mechanical deformation alters the electrical impedance. Use the provided connector protector to ensure the signal junction remains isolated from conductive bearing oil.

Engineering Superiority

Superior Thermal Stability

The 3300 XL probe utilizes advanced polyphenylene sulfide (PPS) tip material, ensuring the probe remains dimensionally stable despite extreme thermal cycling. This prevents "DC gap drift" during machine warm-up phases, maintaining accuracy from startup to full-load operation.

Industrial Resilience

The gold-plated connectors provide a low-resistance connection that resists oxidation in humid or corrosive atmospheres. The patented tip-to-case bonding process prevents the internal coil from shifting, maintaining calibration even under high-frequency mechanical stress.

Seamless System Integration

This sensor acts as the primary sensory input for your machinery protection suite. It integrates flawlessly with Bently Nevada 3500/42M monitors and communicates vital data to System 1 diagnostic software, facilitating predictive maintenance strategies and reducing unplanned outages.

Logistics & Global Fulfillment

Accelerated Delivery Standards

(We provide a delivery time of 3-5 days when payment finish). All international orders are routed via premium air freight through DHL, FEDEX, or UPS, ensuring door-to-door tracking for critical maintenance windows.

High-Integrity Packaging

Every 330102-00-28-10-02-00 probe is dispatched in New Original Pack condition. Our logistics team utilizes specialized anti-static industrial packaging and reinforced cushioning to protect the precision-machined threads and sensitive coaxial leads during worldwide transit.

Technical Field FAQs

Q1: How do I distinguish the 330102 from a 330101 probe?

A1: The 330102 is a metric probe with M10 x 1 threads, while the 330101 uses standard 3/8-24 UNF threads. Attempting to force the wrong thread type will permanently damage the probe and the bearing housing.

Q2: What is the benefit of the -02 connector protector?

A2: In bearing housings where oil mist is prevalent, the protector prevents conductive fluids from shorting the coaxial connection, which is a primary cause of intermittent signals and false alarms.

Q3: Can I use this 1.0m probe without an extension cable?

A3: No. The Proximitor sensor requires a specific total system length (typically 5m or 9m) to maintain its resonant frequency. Operating the 1.0m probe alone will result in massive scale factor errors.

Q4: How do I verify the probe's electrical health?

A4: Measure the DC resistance between the center pin and the outer shell of the connector. A healthy 3300 XL 8mm probe typically measures between 4.0 and 11.0 ohms. An infinite reading indicates an open circuit.