Bently Nevada 330450-20 High Temperature Accelerometer is a precision vibration sensor engineered for continuous monitoring of machinery operating in extremely hot environments. Designed with advanced piezoelectric sensing elements and a rugged stainless-steel body, it delivers reliable acceleration and vibration measurements even in harsh industrial conditions such as turbines, compressors, and high-temperature process equipment. Its robust design ensures stable performance for predictive maintenance and early fault detection, supporting long-term plant reliability without performance drift.

Product Specifications

Product Applications

The 330450-20 is widely used in industries that require precise vibration analysis in elevated temperatures:

• Gas and steam turbines operating in power generation plants.

• Compressors in petrochemical and refinery environments.

• Industrial furnaces and high-temperature process machinery.

• Monitoring bearings, gearboxes, and rotating shafts exposed to extreme heat.

• Predictive maintenance programs requiring continuous vibration trend analysis.

Product Advantages

• High Temperature Resilience – Maintains accuracy up to 250 °C, ensuring reliable readings in demanding environments.

• Robust Construction – Stainless-steel housing resists corrosion and mechanical wear.

• Excellent Frequency Response – Wide bandwidth provides precise detection of early-stage machine faults.

• Low Noise Electronics – Integrated piezoelectric design reduces signal noise for cleaner data acquisition.

• Easy Integration – Standard IEPE output allows compatibility with Bently Nevada and most industry-standard monitoring systems.

Frequently Asked Questions (FAQ)

1. What is the sensitivity rating of this accelerometer?

   The sensor provides a nominal sensitivity of 100 mV/g for accurate vibration measurement.

2. Is the 330450-20 suitable for turbine applications?

   Yes, it is designed to handle the extreme temperatures and vibration levels of large gas and steam turbines.

3. How does it perform under high mechanical shock?

   The device can withstand shocks up to 5,000 g peak without degradation of performance.

4. What type of output signal does it provide?

   It uses an IEPE voltage output, making it compatible with a wide range of industrial vibration monitoring systems.

5. Can it operate continuously at 250 °C?

   Yes, it is engineered for stable operation at temperatures up to 250 °C for extended periods.

6. Does it require external signal conditioning?

   No, the integrated electronics eliminate the need for additional signal conditioning equipment.

7. Is the accelerometer resistant to electromagnetic interference?

   Yes, it features excellent EMI and RFI shielding for dependable data integrity in noisy environments.

8. What is the recommended mounting method?

   It can be mounted using a 1/4-28 UNF or M8 threaded stud for secure installation and optimal signal transfer.

9. Can this sensor be used for continuous online monitoring systems?

   Absolutely, it is designed for permanent installation in continuous condition monitoring setups.

10. How does it maintain accuracy in high humidity environments?

    Its hermetically sealed stainless-steel housing and high insulation resistance ensure accurate readings even in high humidity.