330903-00-11-05-02-CN Proximity Sensor – Bently Nevada

Bently Nevada 330903-00-11-05-02-CN 3300 NSv Proximity Probe – Complete Technical Guide

Key Technical Specifications

• Brand & Model: Bently Nevada 330903-00-11-05-02-CN (3300 NSv series).
• Linear Range: 1.5 mm (60 mils) from 0.25 mm to 1.75 mm (10 to 70 mils).
• Recommended Gap Setting: 1.0 mm (40 mils) for optimal accuracy.
• Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) with +12.5%/-20% interchangeability error.
• Deviation from Best Fit Straight Line (DSL): Less than ±0.06 mm (±2.3 mils).
• Frequency Response: 0 to 10 kHz (+0, -3 dB typical) with up to 305 m of field wiring.
• Probe DC Resistance (RPROBE): 4.0 ± 0.5 ohms for 0.5 meter length.
• Extension Cable DC Resistance: Center conductor 0.220 Ω/m; Shield 0.066 Ω/m.
• Extension Cable Capacitance: 69.9 pF/m (21.3 pF/ft) typical.
• Field Wiring: 0.2 to 1.5 mm² (16-24 AWG), max length 305 m to monitor.
• Target Size (flat): Minimum 8.9 mm diameter; recommended 13 mm (0.5 in) diameter.

Environmental & Mechanical Ratings

• Operating Temperature: -52°C to +177°C (-62°F to +351°F).
• Storage Temperature: Same range -52°C to +177°C.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Case Material: AISI 304 stainless steel (SST).
• Probe Cable: 75 Ω coaxial, FEP insulated, total lengths 0.5, 1, 5, or 7 m.
• Recommended Torque: Finger tight; Maximum 0.56 N•m (5 in•lb).
• Minimum Bend Radius: 25.4 mm (1.0 in) with or without SST armor.
• Pressure Seal: Viton O-ring design for differential pressure (not factory pressure tested).
• Connector-to-connector Torque: Recommended 5.1 N•m (45 in•lb); Max 7.3 N•m (65 in•lb).

Frequently Asked Questions (FAQ)

• Q: Is this probe brand new and original?
  A: Yes, we supply 100% new and original 330903-00-11-05-02-CN probes in factory packing.
• Q: Do you have this model in stock?
  A: Yes, we keep ample stock of the 3300 NSv series. No backorder delays.
• Q: What is the shipping time and carrier?
  A: We dispatch within 5 business days via FedEx, UPS, or DHL with full tracking.
• Q: Can I return the probe if it does not fit my application?
  A: We support 30-day returns for unused items in original condition.
• Q: What is the frequency response for long field wiring?
  A: 0 to 10 kHz typical with up to 305 m of triad cable; refer to rolloff graphs.
• Q: Does this probe replace the 3300 RAM model?
  A: Yes, the 3300 NSv is mechanically and electrically compatible with the 3300 RAM.
• Q: What is the maximum pressure rating?
  A: The Viton O-ring seals differential pressure, but we do not factory pressure test. Contact our custom department for validation.