Bently Nevada 3300 NSv Proximity Probe: High-Performance Machinery Monitoring

Product Overview & Core Specifications

• Brand: Bently Nevada
• Model: 3300 NSv Proximity Probe
• Part Number: 330908-00-16-10-02-05
• Complete Part Number Configuration:
  • 330908: 3300 NSv Probe, 3/8-24 UNF thread, without protective armor
  • -00: Unthreaded Length Option = 0 inch
  • -16: Overall Case Length = 1.6 inch
  • -10: Total Cable Length = 1.0 meter (39 inches)
  • -02: Connector = Miniature coaxial ClickLoc with standard cable
  • -05: Agency Approvals = Multiple Certifications
• Linear Range: 1.5 mm (60 mils), spanning 0.25 mm to 1.75 mm from target.
• Recommended Gap Setting: 1.0 mm (40 mils) for optimal performance.
• Sensitivity (ISF): 7.87 V/mm (200 mV/mil) with an interchangeability tolerance.
• Linearity Error (DSL): Less than ±0.06 mm (±2.3 mils) deviation.

Technical Performance & Compatibility

• Frequency Response: 0 to 10 kHz, maintaining signal integrity with long cable runs.
• Probe DC Resistance: 4.2 Ohms ± 0.5 Ohms for the integrated 1.0-meter cable.
• Backward Compatibility: This probe is a direct replacement for legacy 3300 XL 8 mm Proximity Probes and 3300 RAM system components.
• Electrical System Data:
  • Extension Cable Resistance: Center: 0.220 Ω/m, Shield: 0.066 Ω/m.
  • Extension Cable Capacitance: Approximately 69.9 pF per meter.
  • Field Wiring: Supports up to 305 meters of 3-conductor shielded cable.
• Target Requirements: Minimum 8.9 mm diameter; use 13 mm or larger for best accuracy.

Rugged Construction & Environmental Limits

• Probe Tip Material: Chemically inert Polyphenylene Sulfide (PPS).
• Probe Body: Machined from corrosion-resistant AISI 304 Stainless Steel.
• Operating Temperature: Wide range from -52°C to +177°C (-62°F to +351°F).
• Ingress Protection: Sealed with a Viton O-ring for pressure differentials.
• Certifications: The "-05" suffix confirms multiple international hazardous area approvals.

Frequently Asked Questions (FAQ)

• Is this probe compatible with my existing 3300 monitoring system? Absolutely. The 3300 NSv probe is a direct drop-in replacement for older 3300 RAM probes.
• What is the key upgrade in the NSv series? It offers superior chemical resistance, making it ideal for process gas and compressor applications.
• What is the maximum cable run for this sensor? You can reliably use field wiring up to 305 meters (1000 feet) in length.
• Can I measure axial position on a small shaft? Yes, but carefully follow the guidance on reducing the gap to ensure measurement accuracy on sub-13mm shafts.

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