Description
3300 NSv Proximity Probes – Precision Vibration Monitoring
The NSv Proximity Probes from Bently Nevada deliver reliable vibration and position sensing. They feature enhanced chemical resistance and easy interchange with older 3300 RAM models. Ideal for compressors and turbines. This unit is New & Original in factory packaging with a 12-month warranty.
Key Technical Data
- Brand / Model – Bently Nevada 330910 (3300 NSv Proximity Probes)
- Linear range – 1.5 mm (60 mils) from 0.25 to 1.75 mm gap
- Sensitivity – 7.87 V/mm (200 mV/mil) with interchangeability tolerance
- Frequency response – 0 to 10 kHz, ±3 dB (with up to 305 m cable)
- Deviation from linear – Less than ±0.06 mm (±2.3 mils)
- Temperature range – -52°C to +177°C (-62°F to +351°F)
- Probe resistance – 4.2 ±0.5 Ω (center to outer, 1.0 m length)
- Tip / case material – PPS tip, 304 SST case, Viton O‑ring seal
- Cable type – 75 Ω coaxial, FEP insulated, with ClickLoc connector
Configuration Suffix Tree
- Model 330910 – M10X1 thread, with armor
- -00 – Unthreaded length 0 mm
- -12 – Overall case length 120 mm
- -10 – Total cable 1.0 meter (39 in)
- -02 – Miniature coaxial ClickLoc connector
- -00 – No agency approval
Mounting & Mechanical
- Mounting torque – Finger tight, max 0.56 N·m (5 in·lb)
- Connector torque – Recommended 11.3 N·m (100 in·lb)
- Min bend radius – 25.4 mm (1.0 in) even with armor
- Target size – Recommended min 13 mm (0.5 in) diameter
- Weight range – 14 to 150 g (0.5 to 5.3 oz)
Wiring & Compatibility
- Interchangeable with Bently Nevada 3300 RAM probes
- Field wire – 0.2 to 1.5 mm² (16‑24 AWG); with ferrules 0.25‑0.75 mm²
- Max cable run – 305 m (1000 ft) to Proximitor
- Extension capacitance – 69.9 pF/m typical
Applications & Diagnostics
- Typical use – Vibration, axial position, eccentricity on rotating machinery
- Diagnostic output – Direct -1 to -13 Vdc gap voltage for quick checks
- Side-view advantage – Easier gap setting than 190 probe
Professional FAQ
- Does the 12-month warranty cover both probe and cable?Yes. The factory warranty covers parts and workmanship for 12 months from delivery.
- Which shipping carriers do you use for urgent orders?We ship worldwide via FedEx, UPS, and DHL. Fast air freight available.
- My shaft is only 10 mm diameter. Can I still use this probe?Yes, but scale factor may shift. Reduce the initial gap to minimize error. See Figure 12.
- Is the probe tip replaceable if damaged?The tip is integral to the probe. We recommend replacing the whole unit for reliability.
- What if I need a longer probe cable than 1.0 meter?This suffix -10 is 1.0 m. Other lengths (5 or 7 m) are available – check our store.
Package & Delivery
- Includes – Factory-sealed 3300 NSv Proximity Probe with ClickLoc connector.
- Warranty – 12 months against defects.
- Shipping – FedEx, UPS, DHL. Trackable and insured.











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