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330104 12 20 10 02 00  3300 xl 8 mm proximity probes -0

3300 System

Home >  Products >  For Bently Nevada >  3300 System

330104-12-20-10-02-00 3300 XL 8 mm Proximity Probes

  • Overview
  • Quick Detail
  • Description
  • Applications
  • Specifications
  • Competitive Advantage
  • Recommended Products
Overview

Place of Origin:

USA

Brand Name:

Bently Nevada

Model Number:

330104-12-20-10-02-00

Minimum Order Quantity:

1

Packaging Details:

Original new Factory Sealed

Delivery Time:

5-7 days

Payment Terms:

T/T

Supply Ability:

In stock

Quick Detail

Agency Approval Option:

Not required

Unthreaded Length Option :

120 mm

Overall Case Length Option :

200 mm

Total Length Option:

1.0 meter (3.3 feet)

Connector and Cable-Type Option:

Miniature coaxial ClickLoc connector, standard cable

Dimension:

105x1.4x1.5cm

Weight:

0.14kg

Description

The 330104-12-10-10-02-00 is a high-performance 3300 XL 8 mm Proximity Probe engineered by Bently Nevada for precision displacement monitoring in critical rotating machinery. As a cornerstone of the 3300 XL 8 mm Proximity Probes line, this eddy current sensor is designed to provide high-fidelity data on shaft vibration, position, and speed. This specific model features a unique mechanical configuration with a 120 mm unthreaded length and a 200 mm overall case length, making it an ideal "long-reach" solution for applications where the probe must pass through deep machine casings or specialized mounting brackets to reach the target shaft.

The technical integrity of the 330104-12-10-10-02-00 ensures full compliance with the API 670 standard, which is the global benchmark for machinery protection systems. Within the 3300 XL 8 mm Proximity Probes ecosystem, this unit offers a 1.0-meter total length (3.3 feet) and is equipped with a Miniature coaxial ClickLoc connector, providing a secure, finger-tight connection that resists loosening under extreme vibration. The probe tip is manufactured from high-grade Polyphenylene Sulfide (PPS), a specialized engineering plastic known for its immunity to oil, water, and corrosive chemicals, while the probe body is constructed from AISI 304 stainless steel for maximum structural rigidity.

Applications
The 330104-12-20-10-02-00 is primarily utilized for Radial Vibration Monitoring in large-scale rotating equipment such as steam turbines, motors, and centrifugal compressors. Due to its 120 mm unthreaded length, it is particularly effective for installations where the probe must be deeply recessed into a bearing housing to monitor shaft movement within fluid-film bearings. It captures high-frequency dynamic motion with a 2 mm linear range, allowing for the early detection of mechanical imbalances or misalignments that could lead to catastrophic failure.
In Axial (Thrust) Position Monitoring, this 3300 XL 8 mm Proximity Probe serves as a critical safety device to prevent metal-to-metal contact between the rotor and stationary components. By measuring the minute distance changes between the probe tip and the shaft’s thrust collar, it provides real-time data to the machinery protection system. This ensures that axial float remains within design tolerances, which is a standard requirement for high-reliability power generation units and petrochemical processing equipment following API 670 guidelines.
This probe also functions as a reliable Keyphasor Reference and speed measurement sensor. By detecting a notch or a protrusion on the rotating shaft, it provides a precise "once-per-turn" pulse. This signal is indispensable for phase analysis, which helps vibration engineers determine the exact timing of vibrations relative to shaft rotation. Additionally, its high-speed response makes it suitable for electronic overspeed protection systems, delivering accurate RPM feedback to control systems in real-time.
Specifications

Operating Temperature Range:

-50°C to +105°C (-55°F to+205°F)

Linear Range:

2 mm

Output Resistance:

50 Ω

Supply Sensitivity:

Less than 2 mV change in output voltage per volt change in input voltage.

Power:

Requires -17.8 Vdc to -20 Vdc

Probe Tip Material:

Polyphenylene sulfide (PPS)

Probe Case Material:

AISI 303 or 304 stainless steel(SST)

Competitive Advantage

1. Specialized Long-Reach Mechanical Design

The 330104-12-20-10-02-00 features a 120 mm unthreaded portion and a 200 mm case, which provides superior flexibility for thick-walled machinery. Unlike standard short probes that require additional sleeves or mounting hardware, this "long-reach" configuration simplifies the installation process and reduces the number of potential mechanical vibration points in the mounting assembly.

2. Advanced ClickLoc Connector Reliability

Equipped with a Miniature coaxial ClickLoc connector, this probe eliminates the risks associated with traditional threaded connectors that can vibrate loose. The "ClickLoc" mechanism provides a tactile and audible confirmation of a secure connection, ensuring consistent electrical contact and preventing signal loss, which is essential for maintaining system uptime in high-vibration environments.

3. Superior Material Durability and PPS Tip

The probe tip is constructed from Polyphenylene Sulfide (PPS), an advanced polymer that offers higher chemical and thermal resistance than standard materials. Combined with an AISI 304 stainless steel body, the 3300 XL 8 mm Proximity Probes are built to survive environments contaminated with synthetic lubricants, corrosive gases, and moisture, resulting in a lower total cost of ownership through extended service life.

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