Bently Nevada 330104-10-20-10-02-CN 3300 XL 8 mm Proximity Probe

The Bently Nevada 330104-10-20-10-02-CN is a metric-thread 3300 XL 8 mm proximity probe for non-contact measurement of shaft vibration, position, and relative displacement in rotating machinery. This configuration combines an M10 × 1 threaded probe body, stainless steel armor protection, a 1.0 m integral cable, a miniature coaxial ClickLoc connector, and a China-certified approval option for applicable installations.

Product Configuration

The ordering code defines the probe's mechanical dimensions, cable arrangement, and certification requirements:

• 330104: 3300 XL 8 mm proximity probe with M10 × 1 metric thread and stainless steel armored cable

• -10: 100 mm unthreaded length

• -20: 200 mm total case length

• -10: 1.0 m integral cable length

• -02: Miniature coaxial ClickLoc connector

• -CN: China certification option

This configuration is commonly selected where metric mounting hardware is required while maintaining compatibility with the 3300 XL transducer system architecture.

Measurement Characteristics

The probe operates according to the eddy current measurement principle. When connected to a compatible 3300 XL Proximitor sensor, it generates a voltage output proportional to the distance between the probe tip and a conductive target surface.

The standard calibration target is AISI 4140 steel. Applications involving different shaft materials may require recalibration of the transducer system to maintain specified scaling accuracy.

The standard system sensitivity is 7.87 V/mm (200 mV/mil). The linear measurement range is 2.0 mm (80 mils), typically extending from approximately 0.25 mm (10 mils) to 2.25 mm (90 mils) from the probe face.

System Compatibility

The 330104-10-20-10-02-CN is designed for use as part of a complete 3300 XL transducer system consisting of:

• 3300 XL proximity probe

• Compatible extension cable when required

• 3300 XL Proximitor sensor

Because this model includes a 1.0 m integral cable, it can be used directly in a 1 m transducer system configuration without an extension cable. System components must be selected with matching overall system lengths to maintain calibration and interchangeability specifications.

Mechanical Construction

The probe features an 8 mm sensing tip and an M10 × 1 metric threaded body for installation in metric machine housings and mounting brackets.

The armored cable construction provides additional mechanical protection against abrasion and handling damage. The probe assembly is designed for demanding machinery monitoring installations where cable routing and mechanical protection are critical considerations.

Environmental and Reliability Characteristics

The probe and cable assembly are rated for continuous operation from -51 deg C to +177 deg C (-60 deg F to +350 deg F).

Connector areas may be exposed to relative humidity up to 100% when properly protected. For installations in high-moisture environments, connector protection should be considered to minimize exposure to contaminants and condensation.

The probe assembly provides significant mechanical robustness, including:

• Maximum pull strength of 330 N (75 lbf) between the probe case and cable lead

• Maximum pull strength of 270 N (60 lbf) between the cable lead and connector

• Recommended minimum bend radius of 28 mm (1.1 in) for the armored cable

Technical Specifications

Frequently Asked Questions

Q: Is the 330104-10-20-10-02-CN a metric-thread probe?

A: Yes. This model uses an M10 × 1 threaded body, making it suitable for installations designed for metric mounting hardware rather than the 3/8-24 UNF threaded versions.

Q: Does this probe require an extension cable?

A: Not necessarily. The probe includes a 1.0 m integral cable and can be used directly in a 1 m transducer system configuration. Longer system lengths require compatible extension cable and Proximitor combinations.

Q: Can the probe be used on shaft materials other than AISI 4140 steel?

A: Yes, but the standard calibration is based on AISI 4140 steel. Alternative target materials may require recalibration or scaling adjustments to maintain specified accuracy.