Bently Nevada 330980-51-05 Preload Unit

I. Basic Information
Brand: Bently Nevada (owned by GE in the United States)
Model: 330980-51-05
Product Series: 3300 XL NSv Compact Eddy Current Preamplifier
Total System Length: 5 meters (51 represents the total length of the sensor system in meters)
Installation Method: DIN rail installation (thin high-density cabinet installation design)
Compatible Probe: 3300 XL NSv series 8mm eddy current probe, suitable for measuring small shaft diameter equipment

Interpretation of Model Suffix
330980: NSv Compact Series Preamplifier Model
51: Total length of the sensor system is 5 meters (probe + extension cable + preamplifier)
05: Product Certification Version (CE compliant version, resistant to EMI/RFI electromagnetic interference)

Core Application
Combined with eddy current probes, it can real-time collect radial vibration, axial displacement, shaft eccentricity, and phase rotational speed signals, and is widely used in:
Steam turbine generators, air compressors, gas turbines, compressors
Petrochemicals, power plants, large-scale rotating equipment in metallurgy for condition monitoring
Connected to Bently 3500, 3300 series vibration monitoring framework systems for fault early warning and protection

Key Electrical Parameters
Power Supply: DC 24V
Output Signal: -24V ~ 0V direct current voltage output, standard sensitivity 7.87V/mm (200mV/mil)
Measurement Range: 0~2.54mm
Terminal Connections: Spring-free toolless quick connection terminals, convenient wiring
Protection Grade: IP20 (installation in control cabinet)
Operating Temperature: -20℃ ~ +65℃
Advantageous Features: Ultra-thin body, strong electromagnetic interference resistance, meeting CE industrial electromagnetic compatibility certification, suitable for dense cabinet layout