Bently Nevada 330909-05-30-05-02-00 NSv Probe

Bently Nevada 330909-05-30-05-02-00 3300 NSv Proximity Probe

Product Introduction

The Bently Nevada 330909-05-30-05-02-00 represents a versatile armored member of the 3300 NSv probe family. Specifically, this model combines mechanical protection with flexible installation options through its 0.5-inch unthreaded length and 3.0-inch overall case. The stainless steel armor shields the cable from abrasion and impact damage, making this probe ideal for harsh environments. Furthermore, the standard ClickLoc connector ensures a secure, reliable connection without the added protector. This particular variant carries agency approval option -00, indicating no special certifications are required.

Technical Specifications

The 330909-05-30-05-02-00 sensor features a probe case constructed from AISI 304 stainless steel and a tip made of Polyphenylene sulfide (PPS). Its unthreaded length option -05 provides a 0.5-inch section, while the -30 overall case length delivers a 3.0-inch housing. The total length option -05 indicates a 0.5-meter (20-inch) cable. Meanwhile, the connector option -02 includes a miniature coaxial ClickLoc connector with standard cable configuration. The probe cable uses 75 Ω coaxial design with FEP insulation, ensuring reliable signal transmission. The agency approval option is -00, meaning no special certifications are required for standard industrial use.

Electrical Performance Parameters

For the 3300 NSv probe with a 0.5-meter length, the DC resistance from the center conductor to the outer conductor (RPROBE) measures 4.0 ± 0.5 ohms. This low resistance ensures minimal signal attenuation during operation. The probe delivers consistent performance across its specified linear range, providing accurate vibration and position measurements for critical rotating machinery. Additionally, the incremental scale factor and frequency response characteristics remain consistent with the 3300 NSv series standards, ensuring reliable data acquisition.

Armor Features and Mechanical Protection

The stainless steel armor on this 330909-05-30-05-02-00 probe offers exceptional protection against physical damage during installation and ongoing operation. Specifically, it shields the cable from abrasion, crush forces, and cutting hazards commonly encountered in process compressor environments and other heavy industrial settings. The armor also enhances the probe's durability in high-vibration applications where unprotected cables might suffer fatigue failure over time. Despite this added protection, the probe maintains excellent flexibility with a minimum bend radius of 25.4 mm (1.0 inch), allowing for practical routing in confined spaces.

Mechanical and Environmental Ratings

The 330909-05-30-05-02-00 probe operates and stores within a temperature range of -52°C to +177°C (-62°F to +351°F) . However, sustained exposure below -34°C (-30°F) may compromise the Viton O-ring pressure seal. For the probe case torque on 3/8-24 threads, the maximum rated value is 33.9 N•m (300 in•lb) , while the recommended torque is 11.3 N•m (100 in•lb) . For the first three threads, the maximum rated torque is 22.6 N•m (200 in•lb) with a recommended setting of 7.5 N•m (66 in•lb) . The maximum thread engagement length is 0.563 inches. The probe's weight ranges from approximately 14 to 150 grams depending on configuration.

Installation Guidance

When installing the 330909-05-30-05-02-00 probe, first verify that the target surface meets the minimum diameter requirement of 13 mm (0.5 inches). Next, carefully thread the 3/8-24 UNF probe into the mounting fixture, ensuring proper alignment to avoid cross-threading. The 0.5-inch unthreaded section provides flexibility for positioning the probe tip at the optimal gap from the target. Then, tighten the probe to the recommended torque of 11.3 N•m using a calibrated torque wrench. Additionally, ensure the thread engagement does not exceed 0.563 inches. The armored cable should be routed with adequate support to prevent excessive bending or strain, maintaining the minimum bend radius of 25.4 mm.

Packaging List

• Bently Nevada 330909-05-30-05-02-00 Proximity Probe with armor (1 unit)

• Protective tip cap

• Installation instruction sheet

Frequently Asked Questions (FAQ)

1. What is the advantage of the 0.5-inch unthreaded length on this Bently Nevada 330909 probe?
The -05 unthreaded length option provides a 0.5-inch section between the threads and the probe tip. This allows for more flexible positioning of the probe relative to the target surface, particularly useful when the mounting fixture cannot be precisely positioned.

2. How does the armor on this 3300 NSv probe affect the minimum bend radius?
The armor does not change the minimum bend radius, which remains at 25.4 mm (1.0 inch) for both armored and non-armored versions. However, the armored cable is slightly stiffer, so careful routing is recommended to avoid exceeding this limit.

3. Is the Bently Nevada 330909-05-30-05-02-00 compatible with existing 3300 RAM systems?
Yes, this 3300 NSv probe is fully interchangeable with previous 3300 RAM probes and extension cables. The mechanical and electrical compatibility ensures seamless upgrades without modifying your existing monitoring system infrastructure.

4. Why does this model use a standard ClickLoc connector without a protector?
The -02 connector option specifies a standard miniature coaxial ClickLoc connector without the protector. This configuration is suitable for applications where the connector is protected by the installation environment or where a lower-profile connection is preferred.

5. Can this armored 3300 NSv probe be used in hazardous areas?
The agency approval option -00 indicates this probe does not carry hazardous area certifications. For installations requiring ATEX, CSA, or IECEx approvals, please select a variant with the appropriate agency approval option, such as -05 for multiple approvals.