Product Description
The 330103-13-23-05-02-00 is a 5 mm Eddy Current Proximity Transducer System component from the Bently Nevada 3300 series. This specific part number refers to a Preamplifier (Proximitor). The proximitor is a critical electronic module that provides a high-frequency radio frequency (RF) signal to the probe, conditions the returning signal, and outputs a scaled DC voltage that is proportional to the gap and vibration of the monitored shaft. The "-02-" suffix indicates a specific termination or output configuration. It is designed to be mounted in a rack or enclosure and connects to the proximity probe via an extension cable.
Key Parameters and Specifications
The following table details the key technical parameters for this model.
| Parameter | Specification / Value |
|---|---|
| Compatible System | Bently Nevada 3300 / 3500 Monitoring System |
| Product Type | Preamplifier / Proximitor (for 5 mm Probes) |
| Probe Compatibility | 5 mm Eddy Current Proximity Probes |
| Input Power Supply | Typically -17 Vdc to -26 Vdc |
| Output Signal | -1 V to -18 V DC (scaled for gap and dynamic vibration) |
| Sensitivity | 200 mV/mil (7.87 V/mm) - Standard for 5mm systems |
| Frequency Response | 0 to 10 kHz |
| Gap Voltage (Output at DC) | A negative DC voltage proportional to the average gap between the probe and the target. |
| Connector Type | Standard Bently Nevada connector for interfacing with extension cables and system wiring. |
| Mounting | Designed for rack or panel mounting within a monitoring system enclosure. |
| Operating Temperature Range | -40°C to 85°C (-40°F to 185°F) - Typical for electronic modules. |
| Dimensions & Weight | Dimensions: ~ 100 mm (L) x 40 mm (W) x 25 mm (H) / ~ 3.94" x 1.57" x 0.98" (Standard module size) Approx. Weight: 0.25 kg (0.55 lbs) |
Application Scenarios
This proximitor is the central processing unit for the proximity transducer system, used across various industries wherever precise vibration and position monitoring of rotating machinery is critical.
Power Generation: A core component in protection systems for steam turbines and gas turbines, processing signals from shaft vibration and Keyphasor® probes to ensure safe operation.
Oil & Gas: Used in compressor and pump monitoring systems to comply with API 670 standards, providing the conditioned signal that the main monitor uses for alarms and trips.
Hydroelectric Power Plants: Processes data from probes monitoring generator shaft runout and vibration.
General Heavy Industry: Installed in control panels and monitoring racks to protect large motors, fans, and gearboxes in industries such as pulp and paper, chemical, and metals.
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