Product Overview

The Bently Nevada 330104-08-15-10-02-05 is a metric-thread variant of the world-renowned 3300 XL 8mm Proximity Transducer System. Engineered specifically for precision vibration and position monitoring in high-stakes industrial environments, this probe provides the critical data interface between rotating machinery and protection systems like the Bently Nevada 3500. By delivering a highly linear voltage output proportional to the gap between the probe tip and the target shaft, it enables the real-time detection of radial vibration, axial thrust, and speed. Whether deployed in power generation turbines, massive centrifugal compressors, or high-speed gearboxes, this 8mm probe ensures that mechanical anomalies are identified long before they escalate into catastrophic failures, safeguarding both equipment longevity and plant personnel.

Metric Model Decoding & Logic

330104 - 3300 XL 8mm Probe (M10 x 1 thread)

Unlike the 330101 series, the 330104 base model features metric M10 x 1 mounting threads, commonly required for machinery designed to European or international ISO standards.

-08-15-10 - Dimensional Architecture

The "-08" suffix indicates an unthreaded length of 80 mm, providing a smooth section for specific mounting clamp requirements. The "-15" designates a 150 mm overall case length, allowing for deep penetration into machine housings. The "-10" specifies a 1.0-meter (3.3 ft) integral probe cable.

-02-05 - Connector and Hazardous Area Ratings

The "-02" option equips the probe with a miniature coaxial connector featuring a factory-installed connector protector to seal out lubricants and debris. The "-05" confirms multiple global approvals, including CSA, ATEX, and IECEx, authorizing installation in the world's most strictly regulated explosive environments (Zones 0, 1, and 2).

Core Hardware Specifications

Professional Installation Protocol

Commissioning the 330104 probe requires rigorous adherence to voltage gap settings. Field engineers should utilize a digital multimeter to measure the Proximitor Sensor output, adjusting the probe position until it registers exactly -10.0 Vdc. This "Center Gap" ensures the sensor operates within its 80-mil linear window. To preserve signal fidelity, ensure the integral cable is routed through protective conduit and avoids a bend radius sharper than 25.4 mm (1.0 in). For metric installations, always verify that the M10 threads are properly lubricated to prevent galling against the machine casing while maintaining a firm lock-nut torque.

High-Performance Engineering Characteristics

The 330104-08-15-10-02-05 utilizes a high-performance PPS (Polyphenylene Sulfide) tip, which is chemically bonded and hermetically sealed to the stainless steel body. This construction provides an impenetrable defense against moisture, corrosive gases, and synthetic lubricants common in Turbine Supervisory Instrumentation (TSI) applications. The 3300 XL series is specifically engineered to reduce "thermal drift," a phenomenon where temperature changes cause false vibration readings. By providing a stable, low-noise signal to the DCS or 3500 rack, it allows for sophisticated diagnostic techniques such as orbit and shaft centerline plots, ensuring your asset management strategy is built on a foundation of technical authority.

Ordering info

• One (1) Brand New Bently Nevada 330104-08-15-10-02-05 Probe.

• Factory-sealed anti-static industrial packaging.

• Individual calibration and testing data sheet.

• Pre-installed silicone connector protector sleeve.

• Set of M10 x 1 mounting hardware and lock nuts.

Fulfillment & Global Logistics

Delivery time: 3-5 days when payment finish via DHL/FEDEX/UPS. Our logistics facility prioritizes high-security packaging, utilizing double-walled boxes and anti-static materials to protect the precision electronics. Every unit is inspected for physical integrity and seal status before being dispatched with worldwide insurance coverage.

Field Specialist FAQs

Q1: Is the 330104 interchangeable with a 330101 probe?

A1: Electrically, yes; both are 3300 XL 8mm probes. However, they are mechanically different. The 330104 uses M10 metric threads, while the 330101 uses 3/8-24 UNF threads. You must match the thread type of your machine housing.

Q2: What is the purpose of the 80mm unthreaded length (-08)?

A2: This unthreaded section allows the probe to slide through a mounting bracket or sleeve before the threads engage, which is essential for certain internal mounting designs where a fully threaded body would be difficult to align.

Q3: Can I cut the integral cable to a shorter length?

A3: Absolutely not. The cable length is a tuned part of the eddy current circuit. Cutting or splicing the integral cable will alter the system's impedance and invalidate the calibration, leading to massive measurement errors.

Q4: How do I identify a genuine Bently Nevada "Sealed" unit?

A4: Look for the intact factory seal on the clear anti-static bag and the presence of the unique serial number on both the probe body and the accompanying calibration report.