Introduction
The 330103-00-02-10-02-00 is a complete Eddy Current Proximity Transducer System used for measuring the relative displacement and vibration of a rotating shaft. This kit is designed to provide a precise, non-contact method for monitoring critical machine parameters. The long part number suffix defines the exact configuration of each component in the system, including the probe length, connector type, cable length, and transducer details. Its primary function is to detect changes in the gap between the probe tip and the shaft, converting this physical measurement into a standardized voltage signal for machinery protection systems like the Bently Nevada 3500.
Technical Parameters
The following table summarizes the key technical specifications for a typical 330103-00-02-10-02-00 system.
| Parameter Category | Specification Details |
|---|---|
| Model Number | 330103-00-02-10-02-00 |
| Product Type | Eddy Current Proximity Transducer System (5mm Diameter) |
| System Components | 5mm Proximity Probe, Extension Cable, Proximitor Transducer |
| Probe Diameter | 5 mm |
| Probe Tip Material | Typically Inconel or Stainless Steel for durability |
| Probe Length | The suffix "-02" likely specifies a standard length, e.g., 25mm or 50mm from mounting threads to tip. |
| Cable Length | The suffix "-10" often denotes a 5 meter (16.4 ft) total cable length (probe integral cable + extension). |
| Transducer (Proximitor) Output | -1 to -19 VDC (Gap Voltage, scaled to mm/mils) & -2 to -18 VDC (Dynamic AC voltage for vibration) |
| Frequency Response | 0 to 10 kHz (0 to 600,000 CPM) |
| Scale Factor | Typically 200 mV/mil (7.87 V/mm) |
| Power Supply | Typically -24 VDC from the monitoring system (e.g., 3500 rack) |
| Operating Temperature | Probe: -40°C to +177°C (-40°F to +350°F); Cable & Transducer: -40°C to +120°C |
| Connectors | SMI (Standard Microdot) threaded connectors for secure, low-noise connection. |
| System Linear Range | Approximately 0.8 mm (80 mils) for a 5mm probe. |
| Weight (Complete System) | Approx. 0.8 - 1.2 kg (depending on cable length) |
Critical Note: *The interpretation of the suffix codes (00-02-10-02-00) is based on standard Bently Nevada conventions. These codes are precise and define the exact physical and electrical configuration. Using an incorrectly specified component (e.g., wrong probe length) can lead to installation failure or inaccurate readings. It is absolutely essential to verify this part number's specifications against the official Bently Nevada datasheet for the 330103 series before procurement and installation.*
Application Scenarios
This transducer system is used for continuous, real-time protection of high-speed rotating machinery where monitoring the shaft's position and vibration relative to the bearing is critical.
Radial Vibration Monitoring on Small Machinery:
Ideal for measuring shaft relative vibration on motors, pumps, and small turbines where space is limited and a 5mm probe is the appropriate size.
Keyphasor® Reference Signal:
Commonly used as a Keyphasor® probe to provide a once-per-revolution timing mark. This signal is essential for determining vibration phase, which is critical for rotor dynamics analysis and balancing.
Axial Position Thrust Monitoring:
Used to monitor the position of a thrust collar to detect excessive movement that could indicate thrust bearing wear or failure.
OEM and Integrated Machinery Design:
Often specified by Original Equipment Manufacturers (OEMs) for built-in monitoring on their compressors, turbines, and other packaged rotating equipment due to its standardized and reliable performance.
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