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The 21504-000-008-05-02 is a Bently Nevada 7200 Series 8mm Standard Mount Probe. The 7200 8 mm proximity sensor system is a non-contact gap voltage sensor system that measures the static and dynamic distance between the probe tip and the target. It can be used in any application requiring precise non-contact displacement measurement, and is commonly used to measure the shaft position and vibration of rotating and reciprocating machinery. A 7200 measurement system consists of a probe with an integrated coaxial cable, an extension cable, and a preamplifier, and is compatible with the 3300 and 9000 monitoring systems. The system has a frequency response range of 0 Hz (DC) to 10 kHz and can be used to measure:

Radial vibration

Axial thrust position

Average radial position of the shaft

Vibration amplitude and phase

Eccentricity

Frequently Asked Questions

Q : What is the Bently Nevada 21504-000-008-05-02?

A : It is an 8mm eddy current proximity probe from the legacy Bently Nevada 7200 Series, designed for non-contacting vibration, displacement, and speed measurements.

Q : What does the "8mm" specification represent?

A : It indicates the diameter of the probe tip, which directly defines the sensor's linear measurement range and magnetic field constraints.

Q : What is the standard linear range of this probe?

A : The standard linear range for a 7200 Series 8mm probe is 2.0 mm (80 mils), typically spanning from -2.0 Vdc to -18 Vdc when connected to its respective Proximitor.

Q: Can this probe operate in high-temperature zones?

A : Yes. The probe tip and integrated cable are ruggedized to withstand harsh operating temperatures ranging from -35°C to +177°C (-31°F to +350°F).

Product Applications

Oil and Gas: Used for monitoring large compressors and pumps in drilling platforms, pipelines, and refineries.

Power Industry: Used for condition monitoring of steam turbines and generator sets in thermal power plants, hydropower plants, and nuclear power plants.

Chemical Industry: Ensures continuous production and equipment safety in chemical plants under high-temperature, high-pressure, and flammable/explosive environments.

Heavy Industrial Manufacturing: Automated production lines and rotating equipment in factories such as cement, rubber, stone, wood, and metallurgy plants.