3300 NSv Proximity Probe – Precision Monitoring for Harsh Environments

Key Technical Specifications

• Brand & Model: Bently Nevada 3300 NSv Proximity Probes – full part 330910-06-13-10-01-CN.
• 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 linearity.
• 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 (1000 ft) field wiring.
• Probe DC Resistance (1.0 m length): 4.2 ± 0.5 ohms from center conductor to outer conductor.
• 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.
• Operating Temperature: -52°C to +177°C (-62°F to +351°F).
• Probe Tip Material: Polyphenylene sulfide (PPS) – excellent chemical resistance.
• Probe Case Material: AISI 304 stainless steel (SST).
• Minimum Target Diameter: 8.9 mm (0.35 in); recommended minimum 13 mm (0.5 in).
• Maximum Probe Torque: 0.56 N•m (5 in•lb) – finger tight only.
• Minimum Bend Radius (with or without armor): 25.4 mm (1.0 in).
• Connector-to-connector torque (M10X1 case): Max 33.9 N•m (300 in•lb); Recommended 11.3 N•m (100 in•lb).
• Thread engagement limit (M10X1): Maximum length 0.563 in (14.3 mm).
• System weight (typical probe): 14 to 150 g (0.5 to 5.3 oz).

Complete Suffix Information – Tree Structure

• 330910 = 3300 NSv Probe, M10X1 thread, with armor
  • ▪ -06 = Unthreaded Length Option: 60 mm
  • ▪ -13 = Overall Case Length Option: 130 mm
  • ▪ -10 = Total Length Option: 1.0 meter (39 inches)
  • ▪ -01 = Connector and Cable Type: Miniature coaxial ClickLoc connector with connector protector, standard cable
  • ▪ CN = Agency Approval Option: Country Specific (China)

Installation & Mechanical Guidelines

• Thread type: M10X1 probe case – follow the torque limits strictly.
• Finger tight torque: 0.56 N•m (5 in•lb) maximum for probe installation.
• Connector tightening (first three threads): Max 22.6 N•m (200 in•lb); Recommended 7.5 N•m (66 in•lb).
• Field wiring recommendation: Use 0.2 to 1.5 mm² (16 to 24 AWG) three-conductor shielded triad cable.
• Maximum field wiring length: 305 meters (1000 feet) between the Proximitor Sensor and monitor.
• Probe pressure design: The Viton O-ring seals differential pressure. Bently Nevada does not pressure test probes before shipping.

Frequently Asked Questions (FAQ)

• Is the 3300 NSv Proximity Probes interchangeable with 3300 RAM? Yes, it is mechanically and electrically compatible with the previous 3300 RAM probe and extension cable.
• What gap setting works best for 330910-06-13-10-01-CN? Set the gap at 1.0 mm (40 mils) for the best linear performance.
• Can I use this probe on shaft diameters smaller than 13 mm? Yes, but expect scale factor changes. Reducing the gap will limit the change.
• What cable type does this probe use? 75 Ω coaxial with FEP insulation; total probe lengths available: 0.5, 1, 5, or 7 meters.
• Do I need special field wiring? Use three-conductor shielded triad cable, max length 305 meters (1000 feet).
• How to request a pressure seal test? Contact Bently Nevada's custom design department for pressure seal testing.