Bently Nevada 3300 NSv Proximity Probe – Model 330903-05-19-05-02-00
The 330903-05-19-05-02-00 belongs to the 3300 NSv Proximity Probes series from Bently Nevada. This probe offers superior chemical resistance and side-view characteristics. It works with the previous 3300 RAM probe and extension cable. The probe provides reliable vibration and position measurements for industrial machinery.
- Linear Range: 1.5 mm (60 mils) from 0.25 mm to 1.75 mm (10 to 70 mils). Output voltage spans approximately -1 to -13 Vdc.
- Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) with +12.5%/-20% interchangeability error. Measures in 0.25 mm increments over the full linear range.
- Deviation from Best Fit Straight Line (DSL): Less than ±0.06 mm (±2.3 mils) for high-precision applications.
- Frequency Response: 0 to 10 kHz at -3 dB typical. Supports up to 305 meters (1000 feet) of field wiring.
- Recommended Gap Setting: 1.0 mm (40 mils) from the target.
- Target Size Minimum: 8.9 mm (0.35 in) diameter. Recommended minimum: 13 mm (0.5 in) diameter.
Technical Specifications – 3300 NSv Probe
- Brand & Model: Bently Nevada 330903-05-19-05-02-00 (3300 NSv Probe).
- Probe DC Resistance (0.5m length): 4.0 ± 0.5 ohms from center conductor to outer conductor.
- Extension Cable DC Resistance: Center conductor 0.220 Ω/m (0.067 Ω/ft); Shield 0.066 Ω/m (0.020 Ω/ft).
- Extension Cable Capacitance: 69.9 pF/m (21.3 pF/ft) typical.
- Field Wiring: 0.2 to 1.5 mm² (16 to 24 AWG). Maximum length 305 meters (1000 feet) between Proximitor Sensor and monitor.
- Probe Tip Material: Polyphenylene sulfide (PPS). Probe Case Material: AISI 304 stainless steel (SST).
- Cable Type: 75 Ω coaxial, fluoroethylene propylene (FEP) insulated. Total probe lengths: 0.5m, 1m, 5m, or 7m.
- Operating & Storage Temperature: -52°C to +177°C (-62°F to +351°F).
- Pressure Capability: Designed to seal differential pressure using a Viton O-ring. Contact support for pressure seal testing.
- Torque Specs: Finger tight recommended; maximum 0.56 N·m (5 in·lb). Connector-to-connector torque: recommended 5.1 N·m (45 in·lb), max 7.3 N·m (65 in·lb).
- Minimum Bend Radius: 25.4 mm (1.0 in) with or without SST armor.
- Thread Type: M8x1 probe case, maximum thread engagement 12 mm.
Environmental & Chemical Resistance – 3300 NSv Series
- The 3300 NSv Proximity Probes have increased chemical resistance compared to the 3300 RAM probe. This allows use in many process compressor applications.
- Side-view characteristics are superior to the 3000-series 190 probe when gapping at the same distance from the target.
- Temperature Schedule (EPL Ga/Gc): T1 (-55°C to +232°C), T2 (-55°C to +177°C), T3 (-55°C to +120°C), T4 (-55°C to +80°C), T5 (-55°C to +40°C).
- For EPL Dc: T280°C @ -55°C to +232°C, T225°C @ -55°C to +177°C, T170°C @ -55°C to +120°C, T130°C @ -55°C to +80°C, T105°C @ -55°C to +100°C, T90°C @ -55°C to +40°C.
Frequently Asked Questions (FAQ)
- Q: Is the 330903-05-19-05-02-00 probe brand new and original?
A: Yes, we supply only new & original factory-sealed Bently Nevada probes. No used or refurbished units. - Q: Do you have this 3300 NSv probe in stock?
A: Yes, we keep the 330903-05-19-05-02-00 in stock for immediate dispatch. - Q: What is your shipping time and courier options?
A: We ship within 5 days after order confirmation. We use DHL, FedEx, and UPS for fast global delivery. - Q: What is your return policy?
A: We support 30-day returns for unused items in original packaging. Contact us before returning. - Q: Can I use the 3300 NSv probe with existing 3300 RAM extension cables?
A: Yes, the probe and extension cable are mechanically and electrically interchangeable with the previous 3300 RAM series. - Q: What is the linear range and recommended gap for this probe?
A: Linear range is 1.5 mm (60 mils) from 0.25 mm to 1.75 mm. Recommended gap is 1.0 mm (40 mils). - Q: Does the probe withstand high pressure?
A: It seals differential pressure with a Viton O-ring. We do not pressure test before shipment. Contact our custom design department for a pressure seal test.

















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