Bently Nevada 330902-00-95-05-02-00 NSv Probe

330902-00-95-05-02-00 Bently Nevada 3300 NSv Proximity Probe

Product Introduction 330902-00-95-05-02-00

The Bently Nevada 330902-00-95-05-02-00 is a high-performance eddy-current proximity probe from the trusted 3300 NSv series. This sensor is specifically engineered for non-contact displacement and vibration monitoring on rotating machinery such as compressors, turbines, and pumps. Furthermore, its rugged construction ensures long-term stability in harsh plant conditions. The probe incorporates a PPS tip and a 304 SST case, delivering excellent corrosion resistance. Meanwhile, the 0.5-metre total length with a miniature coaxial ClickLoc connector simplifies installation in confined spaces. Consequently, this model provides accurate, repeatable measurements that support predictive maintenance strategies.

Technical Specifications 330902-00-95-05-02-00

The 330902-00-95-05-02-00 probe operates with a 75 Ω coaxial cable insulated with FEP. This material offers outstanding dielectric strength and chemical resistance. The DC resistance from the center conductor to the outer conductor is 4.0 ± 0.5 ohms at 0.5 metres, ensuring consistent signal transmission. Additionally, the probe case length is 9.5 inches, while the unthreaded length is 0.0 inches. The thread type is 1/4-28 UNF, and the connector is the miniature ClickLoc type, which provides a secure, vibration-proof connection. Moreover, the agency approval option is not required for this configuration. For accurate readings, the probe tip uses PPS, a material known for its dimensional stability at high temperatures.

Mechanical & Environmental Ratings

Mechanically, the probe case withstands a maximum recommended torque of 5.1 N•m (45 in•lb) and a rated maximum of 7.3 N•m (65 in•lb). The maximum thread engagement length is 0.375 inches for the 1/4-28 thread. In terms of environmental resilience, the operating and storage temperature ranges are identical: -52°C to +177°C (-62°F to +351°F). However, prolonged exposure below -34°C (-30°F) may compromise the pressure seal integrity. The probe uses a Viton O-ring to seal differential pressure between the tip and case. Nevertheless, note that these probes are not pressure tested prior to shipment. The probe weight ranges from approximately 14 to 150 grams (0.5 to 5.3 oz).

Installation Guidelines

Proper installation of the Bently Nevada 330902-00-95-05-02-00 ensures optimal performance. First, verify the thread engagement does not exceed 0.375 inches to avoid damaging the case or the mounting hole. Next, apply the recommended torque of 5.1 N•m using a calibrated torque wrench. For the ClickLoc connector, push it firmly until it clicks into place; this guarantees a stable electrical connection. Additionally, route the FEP coaxial cable away from high-voltage lines and extreme heat sources. For best results, use a gap voltage within the specified linear range of the driver system. Finally, avoid bending the cable sharply near the connector, as this can affect impedance.

Packaging List

• 1 x 330902-00-95-05-02-00 NSv proximity probe assembly

• 1 x Installation instruction sheet (quick start guide)

• 1 x Anti-static protective bag for safe handling

Shipping methods: FedEx, UPS, DHL

Frequently Asked Questions (FAQ)

1. What is the difference between the 330902-00-95-05-02-00 and a standard 3300 probe?
The 330902-00-95-05-02-00 features an armored case, a miniature ClickLoc connector, and a PPS tip, making it more durable and easier to install in tight spaces.

2. Can I use this probe with existing 3300 series extension cables?
Yes, the probe uses a standard miniature coaxial ClickLoc connector, which is compatible with most 3300 series extension cables from Bently Nevada.

3. Is the probe suitable for hazardous area installations?
This specific model does not include agency approvals (option 00). Therefore, it is not certified for hazardous areas. You should select an approved variant for such environments.

4. How do I check if the probe is damaged before installation?
Measure the DC resistance between the center and outer conductors. It should read 4.0 ± 0.5 ohms. A value outside this range may indicate internal damage.

5. What is the recommended cable length for optimal signal quality?
For the 330902-00-95-05-02-00 with 0.5 metre cable, a maximum total system length (probe + extension + driver) of 7 metres is typical. Always consult the system manual for exact limits.