Product Overview

The 330703-000-100-10-02-00 is a high-precision Narrow Side View (NSv) proximity transducer from the Bently Nevada 3300 XL series. This specialized eddy current sensor is engineered for non-contact displacement measurements in machinery where standard 8 mm probes cannot be utilized due to restricted mounting clearances or small target diameters. By converting the electromagnetic gap between the probe tip and the shaft into a proportional voltage signal, it allows for the continuous tracking of radial vibration and axial position. The NSv design is specifically optimized to minimize "side-view" interference from surrounding conductive material, making it the industry standard for small centrifugal compressors and compact pump housings.

Engineering Design and Performance

The 330703-000-100-10-02-00 is built to withstand the rigorous conditions of Turbine Supervisory Instrumentation (TSI) environments:

• Miniature Mounting Profile: Utilizing a 3/8-24 UNF thread and an 11 mm sensing tip, this probe is capable of monitoring shafts as small as 51 mm (2 inches) or axial targets down to 15 mm (0.6 inches).

• Hermetic Tip Seal: The probe tip is constructed from high-performance Polyphenylene Sulfide (PPS), chemically bonded to the stainless steel body using patented TipLoc technology to prevent oil or moisture ingress.

• Signal Reliability: Equipped with gold-plated ClickLoc coaxial connectors, the sensor maintains a low-impedance connection that resists corrosion and vibration-induced signal drift.

• Mechanical Strength: Features CableLoc construction, providing a minimum of 220 N (50 lb) of pull strength to ensure the integrated 1.0-meter cable remains securely attached under mechanical stress.

Technical Characteristics

• Manufacturer: Bently Nevada (Baker Hughes)

• Model Identification: 330703-000-100-10-02-00

• Thread Type: 3/8-24 UNF

• Unthreaded Length: 0 mm (Fully threaded)

• Overall Case Length: 100 mm (Approx. 4.0 inches)

• Total System Length: 1.0 Meter (3.3 feet)

• Linear Range: 1.5 mm (60 mils) when paired with a matching 3300 NSv Proximitor

• Operating Temperature: -51°C to +177°C (-60°F to +351°F)

Industrial Applications

As a core component of predictive maintenance programs, this NSv probe is frequently deployed in:

• Small Centrifugal Compressors: Monitoring rotor dynamic stability and vibration in tight internal clearances.

• Aero-derivative Gas Turbines: Providing critical displacement data in high-vibration, space-constrained turbine housings.

• Process Pumps: Tracking axial thrust bearing wear to prevent catastrophic impeller contact.

• Refrigeration Units: Measuring shaft motion in compact cooling systems where standard proximity systems suffer from side-wall interference.