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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 incorporatesembedded integrated electronics in a solid-state design.

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

Frequently Asked Questions

Q : What is the standard sensitivity of the 330500-06-02?

A: Its scale factor is 3.94 mV/mm/s (100 mV/in/s) ±5%, measured at a reference frequency of 100 Hz.

Q : What is the frequency response range of this sensor?

A: The calibrated frequency range is 4.5 Hz to 5,000 Hz (±3 dB bounds) or 6.0 Hz to 2,500 Hz (within narrower ±0.9 dB bounds).

Q : What is the operating temperature range for the 330500-06-02?

A: The rated operating temperature ranges from -55°C to +121°C (-67°F to +250°F).

Q : What type of output signal does it produce?

A: It outputs an AC voltage signal proportional to velocity, superimposed over a steady DC bias voltage (typically around 12V DC).

Product Applications

Power Industry: Monitoring the vibration of bearing housings and casings in steam turbines, gas turbines, water turbines, and large generator sets.

Oil and Gas Industry: Used for daily condition monitoring and protection of large compressors, centrifugal fans, turboexpanders, and various pumps.

Chemical and Manufacturing Industry: Providing accurate absolute vibration measurements for high-speed rotating machinery in extreme temperature or harsh industrial environments.