Bently Nevada 330878-90-05 Panel Mount

Engineering Purpose

The 330878-90-05 is a high-precision proximity signal conditioner designed for the 3300 XL 8 mm Transducer System. It functions as the electronic heart of the system, converting the impedance changes from an 8 mm probe into a linear voltage signal. This unit is essential for monitoring radial vibration, axial thrust, and Keyphasor speed signals on critical rotating assets such as steam turbines, high-pressure compressors, and large generators.

Technical Data Summary

• Component Type: Proximitor Sensor (Signal Conditioner)

• Part Number: 330878-90-05

• System Series: 3300 XL (8 mm)

• Linearity: $\pm$0.25% typical (Highly precise)

• Frequency Response: DC to 10 kHz

• Operating Temperature: -35°C to +177°C (Probe tip capability)

• Supply Voltage: -24 VDC nominal

• Scale Factor: 7.87 V/mm (200 mV/mil)

Decoding the Model Configuration

• 330878: Bently Nevada 3300 XL Proximitor base series.

• 90: Total Length and Mounting Option. Factory-tuned for a 9.0-meter (29.5 feet) total system length and configured for panel mounting.

• 05: Agency Approval Option. Multiple Approvals version, certified for global hazardous area standards including ATEX, IECEx, and CSA.