The Bently Nevada 330104-00-04-05-02-00 is a 3300 XL 8mm proximity probe for non-contact vibration monitoring. It features a 0.5m cable, 3/8-24 UNF threads, and a 4-inch case. This sensor provides precise shaft displacement data for turbines, compressors, and high-speed industrial machinery.
The Bently Nevada 330104-00-04-05-02-00 serves as a core sensor for machinery protection systems. This 3300 XL 8mm proximity probe measures vibration and position without physical contact. It effectively tracks the movement of rotating shafts in industrial equipment. Furthermore, the probe detects thermal expansion and axial position changes. This specific model provides high-resolution data for critical asset monitoring. It translates mechanical movement into accurate electrical signals for analysis. Consequently, operators can identify potential faults before catastrophic failure occurs.
| Feature | Specification |
| Model Number | 330104-00-04-05-02-00 |
| Probe Diameter | 8 mm |
| Cable Length | 0.5 meters (50 cm) |
| Mounting Thread | 3/8-24 UNF |
| Unthreaded Length | 0.0 inches |
| Overall Case Length | 4.0 inches |
| Connector Type | Miniature coaxial ClickLoc |
| Operating Temperature | -51 °C to +177 °C |
Heavy industries utilize this proximity probe for continuous machinery health monitoring. It performs exceptionally well in the oil and gas sector for centrifugal compressors. Additionally, power plants install these sensors on large steam and gas turbines. Manufacturing facilities rely on them for high-speed gearbox protection. The probe also supports vibration analysis in large pumping stations. Because it withstands harsh chemicals, it remains stable in refinery environments. These sensors form a vital part of Turbine Supervisory Instrumentation (TSI).
This sensor offers superior linearity and temperature stability compared to previous generations. The rugged PPS (polyphenylene sulfide) tip resists moisture and oil penetration. Meanwhile, the patented ClickLoc connector ensures a secure electrical bond. This design prevents signal loss caused by mechanical vibration at the junction. The 3300 XL system also reduces electromagnetic interference during data transmission. Because it provides early warning alerts, it significantly extends machinery service life. Its high accuracy supports advanced predictive maintenance strategies globally.
The 330104-00-04-05-02-00 integrates seamlessly with 3300 XL Proximitor sensors. It also works with various Bently Nevada monitoring racks like the 3500 series. Proper installation requires precise gap calibration for optimal signal output. This probe supports multiple mounting configurations to fit diverse machine housings. Furthermore, the stainless steel body prevents corrosion in outdoor or damp conditions. This durability ensures consistent performance over years of continuous operation.
The Bently Nevada 21504-00-32-10-02 is a 3300 NSv series proximity vibration probe, a fundamental component of an eddy current transducer system designed for non-contact displacement and vibration measurement on rotating machinery. Its primary function is to measure the distance (gap) between the probe tip and a conductive target material, typically a machine shaft. The probe operates by generating a high-frequency radio frequency (RF) field from its tip coil. When brought near the conductive target, this field induces eddy currents on the target's surface. These eddy currents alter the impedance of the probe's coil system. This change in impedance is detected by an associated Proximitor Sensor, which demodulates the signal into a voltage directly proportional to the probe-to-target gap. This analog voltage signal is then transmitted to a monitoring system, such as the Bently Nevada 3500 Machinery Protection System, for real-time analysis, trending, and alarming. The 21504-00-32-10-02 is constructed with a stainless steel case for durability in industrial environments and is specifically configured with a 320 mm case length and a 1.0-meter integral cable.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 21504-00-32-10-02 |
| Product Type | 3300 NSv Proximity Vibration Probe |
| Condition | Brand New |
| Warranty | 12 Months |
| Unthreaded Length | 0 mm |
| Case Length | 320 mm (12.6 in) |
| Total Length | 1.0 metre (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector, standard cable |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Case Material | AISI 304 Stainless Steel |
| System Linear Range | 2 mm (80 mils) |
| System Scale Factor | 7.87 V/mm (200 mV/mil) with 3300 NSv Proximitor |
In Oil & Gas and Power Generation applications, the 21504-00-32-10-02 probe demonstrates high reliability for continuous monitoring of critical assets such as gas and steam turbines, compressors, and large pump motors. Its non-contacting measurement principle eliminates mechanical wear, contributing to a high Mean Time Between Failures (MTBF) for the overall protection system. The probe is engineered to operate reliably in harsh industrial conditions. The probe tip is rated for continuous operation from -34 °C to +177 °C (-29 °F to +351 °F). The robust stainless steel case provides protection against physical impact and contaminants common in plant environments. When installed as part of a complete 3300 NSv transducer system, it provides a stable and repeatable measurement essential for machine protection and condition monitoring programs, enabling early detection of developing faults like imbalance, misalignment, and fluid-induced instabilities.
Q: What systems is the 21504-00-32-10-02 compatible with?
A: The 21504-00-32-10-02 probe is a component of the Bently Nevada 3300 NSv Proximity Transducer System. For correct operation, it must be used in conjunction with a 3300 NSv extension cable and a 3300 NSv Proximitor Sensor. The output from the Proximitor Sensor is compatible with Bently Nevada monitoring systems, including the 3500 and 3300 series, as well as any data acquisition system, PLC, or DCS capable of accepting a -24 Vdc powered, 7.87 V/mm (200 mV/mil) analog signal.
Q: What are the installation requirements?
A: Proper installation is critical for measurement accuracy. The probe must be mounted perpendicular to the target surface using a rigid bracket. The physical gap should be set to place the DC output voltage in the middle of the system's linear range, typically -10 Vdc. The target area on the shaft must be at least 10.7 mm (0.42 in) in diameter, smooth (0.4 to 0.8 µm / 16 to 32 µin rms), and free of any electrical or magnetic irregularities (e.g., chrome plating, magnetised spots). Cable routing must avoid high-voltage power lines and other sources of electromagnetic interference. All ClickLoc connectors must be fully engaged to ensure a secure connection.
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