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Manufacturer : Bently Nevada

Product No. : 330708-00-20-50-02-00

Product Type : 3300 XL 11 mm Probe, 5/8-18 UNF thread, with armor

Made in U.S.A 

Can add on Certificate Of Origin (COO)

Unthreaded Length Option : 0 0 - 0 inch

Overall Case Length Option : 2 0 - 2.0 inch

Total Length Option : 5 0 - 5.0 meter (16.4 feet)

Connector and Cable-Type Option : 0 2 - Miniature coaxial ClickLoc connector, standard cable

Agency Approval Option : CN - Typically indicates compliance with Chinese standards (Ex/CCC) or is a regional designation for China-market inventory

Shipping Weight : 1.5 Kg

The 3300 XL 11 mm Proximity Transducer System has a 3.94 V/mm (100 mV/mil) output for non-contacting vibration and displacement measurements on fluid film bearing machines. The large 11 mm tip enables this transducer system to have a longer linear range compared to the standard 3300 XL 8 mm Transducer System. It is primarily used in the following applications where the longer linear range is necessary:

Axial (thrust) position measurements

Ramp differential expansion measurements on steam turbines

Rod position or rod drop measurements on reciprocating compressors

Tachometer and zero speed measurements

Phase reference (Keyphasor) signals

Frequently Asked Questions

Q1: What is the Bently Nevada 330708-000-20-50-02-CN?

A1: It is a proximity probe designed for non-contact measurement of shaft vibration and displacement in rotating machinery monitoring systems.

Q2: What does the “20” option represent?

A2: “20” indicates an overall case length of 2.0 inches.

Q3: What does the “50” option represent?

A3: “50” specifies a total cable length of 5.0 meters (16.4 feet), suitable for longer installation distances.

Q4: What is the 330708-000-20-50-02-CN sensitivity of this probe?

A4: The 330708-000-20-50-02-CN probe provides a high sensitivity output of 3.94 V/mm (100 mV/mil), ensuring precise displacement measurement.

Q5: What is the 330708-000-20-50-02-CN main function of this proximity probe?

A5: It measures shaft position and vibration without physical contact, enabling accurate condition monitoring and machinery protection.

Product Applications

Oil and gas / petrochemical plants: Monitor the piston rod displacement, shaft vibration and shaft displacement of reciprocating compressors, large centrifugal pumps and turbines.

Power plants: Applied to key bearings of steam turbines, gas turbines and generators to prevent unplanned shutdowns.

Metallurgy and steel plants: Used for rotational state monitoring of large fans and rolling equipment.

Paper and water conservancy: Monitor the rotational speed and clearance of pump groups and key power equipment to ensure the stability of equipment operation.