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Bently NevadatM Velomitor Piezo-velocity Sensors aredesigned to measure absolute (relative to free space) bearing housing, casing, or structural vibration. The 330500 isa specialized piezoelectric accelerometer that incorporatesem bedded integrated electronics in a solid-state design.

Because the 330500 incorporates solid-state electronics andhas no moving parts, it does not suffer from mechanical degradation and wear, and can be mounted vertically, horizontally, or at any other angle of orientation

Frequently Asked Questions

Q : What is the Bently Nevada 330500-08-04?

A : It is a piezo-velocity sensor used for measuring absolute casing or bearing housing vibration.

Q : What does the "-08" suffix mean?

A : It specifies the mounting stud option, which comes with a 1/2-13 UNC thread adapter.

Q : What is the standard sensitivity of this sensor?

A : The nominal sensitivity is 3.94 mV/mm/s (100 mV/in/s) with a ±5% tolerance.

Q : What is its frequency response range?

A : The sensor operates within a frequency range of 4.5 Hz to 5,000 Hz (±3.0 dB).

Product Applications

Oil and gas chemical plants: Used for monitoring centrifugal compressors, reciprocating compressors, and high-pressure pump sets in large refineries and hydrogenation units.

Coal and hydroelectric power plants: Deployed on steam turbines, gas turbines, generators, large feedwater pumps, and forced and induced draft fans to prevent power outages caused by sudden severe vibrations.

Metallurgical and steel plants: Used for monitoring bearing vibrations in blast furnace blowers, large rolling mills, sintering blowers, and exhaust fans.

Cement and mining machinery plants: Used for monitoring the speed reducers in large crushers, ball mills, rotary kiln support rollers, and large conveying equipment.