Product Overview
The Bently Nevada 330905-06-14-10-02-00 is a high-performance 3300 NSv proximity probe from the trusted 3300 series. Designed for reliable vibration and position monitoring, this industrial automation module delivers precise measurements in demanding environments. With its M10X1 thread and 1.0 meter total length, it offers a robust solution for machinery protection systems.
This probe is mechanically and electrically compatible with Bently Nevada's previous 3300 RAM probe, making it an ideal drop-in replacement. Its enhanced chemical resistance allows use in process compressor applications where aggressive media are present.
Key Specifications
-
Model: 330905 - 3300 NSv Probe, M10X1 thread, without armor
-
Unthreaded Length: 60 mm
-
Overall Case Length: 140 mm
-
Total Length: 1.0 meter (39 in)
-
Connector: Miniature coaxial ClickLoc connector, standard cable
-
Agency Approval: Not required
-
Linear Range: 1.5 mm (60 mils)
-
Recommended Gap Setting: 1.0 mm (40 mils)
-
Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) +12.5%/-20%
-
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
-
Probe Tip Material: Polyphenylene sulfide (PPS)
-
Probe Case Material: AISI 304 stainless steel (SST)
-
Operating Temperature: -52°C to +177°C (-62°F to +351°F)
-
Storage Temperature: -52°C to +177°C (-62°F to +351°F)
Technical Specifications
| Parameter |
Value |
| Probe DC Resistance (1.0 m) |
4.2 ± 0.5 ohms |
| Extension Cable DC Resistance (Center Conductor) |
0.220 Ω/m (0.067 Ω/ft) |
| Extension Cable DC Resistance (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); with ferrules 0.25 to 0.75 mm² (18 to 23 AWG) |
| Maximum Field Wiring Length |
305 meters (1,000 feet) |
| Target Size (flat target) Minimum |
8.9 mm (0.35 in) diameter |
| Target Size (flat target) Recommended |
13 mm (0.5 in) diameter |
| Probe Cable Specifications |
75 Ω coaxial, FEP insulated; lengths 0.5, 1, 5, or 7 meters |
| Recommended Torque |
Finger tight |
| Maximum Torque |
0.56 N•m (5 in•lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Probe Case Torque (3/8-24 or M10X1) – Maximum Rated |
33.9 N•m (300 in•lb) |
| Probe Case Torque (3/8-24 or M10X1) – Recommended |
11.3 N•m (100 in•lb) |
| Probe Case Torque (first three threads) – Maximum Rated |
22.6 N•m (200 in•lb) |
| Probe Case Torque (first three threads) – Recommended |
7.5 N•m (66 in•lb) |
Industry Applications
The 330905-06-14-10-02-00 excels in critical rotating machinery monitoring. It is commonly used in:
-
Turbomachinery: Measure shaft vibration and axial position in steam and gas turbines.
-
Process Compressors: The enhanced chemical resistance makes it suitable for harsh media environments.
-
Pumps and Fans: Provide reliable vibration data to prevent unplanned downtime.
With its superior side-view characteristics compared to earlier 3000-series probes, this model delivers accurate readings even when gapped at the same distance from the target.
Installation and Setup
Proper installation is crucial for optimal performance. Follow these guidelines:
- Mount the probe with the recommended torque of finger tight, never exceeding 0.56 N•m (5 in•lb) to avoid damage.
- Maintain the recommended gap setting of 1.0 mm (40 mils) for linear operation.
- Use field wiring of 0.2 to 1.5 mm² (16 to 24 AWG) with a three-conductor shielded triad cable for best signal integrity.
- Keep the total field wiring length within 305 meters (1,000 feet) to preserve frequency response.
Maintenance and Reliability
Routine inspection of the probe tip and cable is essential. The stainless steel case and PPS tip resist corrosion, but check for physical damage or contamination. The Viton O-ring seals differential pressure, but probes are not pressure-tested before shipment; if your application requires pressure seal verification, contact the custom design department.
Operating temperature ranges from -52°C to +177°C, so ensure the installation environment stays within these limits. With proper care, this probe provides long-term reliability, reducing maintenance costs and downtime.
Compatibility and Integration
The 330905-06-14-10-02-00 is compatible with Bently Nevada's 3300 XL NSv Proximitor Sensor and extension cables. It works seamlessly with monitoring systems that accept standard proximity probe inputs. The miniature coaxial ClickLoc connector ensures a secure and reliable connection.
Selection Guide
When selecting this probe, verify the unthreaded length, overall case length, and total length match your application requirements. Confirm the thread type (M10X1) and connector style. For assistance with compatibility or to place an order, PLC Source PRO offers genuine Bently Nevada parts with a 12-month factory warranty.