The Bently Nevada 330851-06-000-070-50-00-05 is a 3300 XL NSv Proximity Probe featuring an M10 x 1 metric thread and a 7.0-meter integrated cable. Designed for small shaft vibration and confined spaces, it offers high-precision displacement sensing and robust ClickLoc connectivity for critical machinery protection systems.
The Bently Nevada 330851-06-000-070-50-00-05 functions as a specialized displacement sensor within the 3300 XL NSv (Non-Standard vent) Proximity Transducer System. This probe is specifically engineered for applications where standard 8mm probes cannot be used due to tight physical clearances or small target diameters. Because the NSv system utilizes a unique side-view rejection technology, it prevents interference from surrounding metal, ensuring that the signal represents only the actual vibration or position of the target shaft.
Furthermore, this configuration features a metric M10 x 1 thread with a 60mm case length, making it ideal for international machinery designs. The probe is equipped with a 7.0-meter total length, which often eliminates the need for an intermediate extension cable, thereby reducing the number of connection points and potential failure locations in the signal path. Since it is constructed with a high-strength polyphenylene sulfide (PPS) tip and a stainless steel case, it maintains high-precision measurements even in the presence of corrosive lubricants and extreme thermal cycles found in industrial rotating equipment.
Vibration and reliability specialists deploy the 330851 NSv probe in high-performance monitoring environments. Specifically, the probe is critical for:
The Bently Nevada 31000-16-10-15-030-03-02 is a specialized proximity probe housing designed to physically protect a proximity probe and its integral cable within harsh industrial environments. Its primary function is to provide a secure, environmentally sealed mounting point on rotating machinery for acquiring critical vibration and position data. The housing is constructed from 304 Stainless Steel, offering robust protection against physical impact and corrosion. This specific configuration, 31000-16-10-15-030-03-02, features a 3/4-14 NPT external mounting thread for direct installation into a machine case. Internally, it accommodates a Bently Nevada 3300 XL 8 mm or 3300 5 mm probe, which is positioned by a 1.0-inch stinger (probe sleeve). The housing facilitates the signal path from the probe tip to the Bently Nevada 3500 Monitoring System. The probe, connected via an extension cable to a Proximitor Sensor, generates a high-frequency RF signal. The resulting eddy current field is used to measure the distance to the observed conductive target. The Proximitor Sensor conditions this signal into a calibrated DC voltage proportional to the gap, which is then transmitted to a 3500/42M Proximitor/Seismic Monitor module for analysis, alarming, and machinery protection.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 31000-16-10-15-030-03-02 |
| Product Type | 31000 Proximity Probe Housing |
| Condition | Brand New |
| Warranty | 12 Months |
| Housing Material | 304 Stainless Steel |
| Mounting Thread | 3/4-14 NPT |
| Stinger (Probe Sleeve) Length | 1.0 inch (25.4 mm) |
| Probe Compatibility | Bently Nevada 3300 XL 8 mm and 3300 5 mm Proximity Probes |
| Environmental Sealing | Viton O-ring cable seal included |
| Operating Temperature Range | -34 °C to +177 °C (-30 °F to +350 °F) |
| Hazardous Area Suitability | Suitable for Class I, Div 2 / Zone 2 locations when installed per Bently Nevada control drawings and with appropriately certified system components. |
In Oil & Gas applications, the 31000-16-10-15-030-03-02 housing provides essential protection for transducers monitoring centrifugal and reciprocating compressors, pumps, and gearboxes. Its 304 Stainless Steel construction and Viton seals ensure long-term integrity in environments containing corrosive elements such as H2S and hydrocarbons, a critical requirement for meeting API 670 standards for machinery protection systems. In Power Generation, this housing is extensively used on steam and gas turbines, exciters, and boiler feed pumps. It maintains measurement accuracy and reliability under conditions of high temperature and vibration, which is fundamental for monitoring shaft radial vibration, axial thrust position, and differential expansion. The passive mechanical design results in a high Mean Time Between Failures (MTBF), contributing to overall plant availability. When properly installed, the housing assembly provides an environmental rating equivalent to NEMA 4X and IP65, preventing ingress of dust, moisture, and process contaminants that could otherwise compromise signal integrity
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