Introduction
The 3500/15-03-05-00 is a 15 mm Proximitor® Seismic Transmitter from the Bently Nevada 3500 Machinery Protection System. It is a critical two-wire, loop-powered device designed to convert signals from proximity probes (measuring shaft vibration/displacement or position) and seismic transducers (measuring case/bearing vibration) into a standardized 4-20 mA DC output signal. This model, with its specific "-03-05-00" suffix, denotes a factory-configured variant for general-purpose monitoring applications, enabling reliable long-distance signal transmission to the monitoring system for real-time machinery health assessment.
Parameters
The key specifications for this transmitter are summarized in the table below.
| Parameter Category | Specification |
|---|---|
| Model / Part Number | 3500/15-03-05-00 |
| Function | Two-wire Proximitor® & Seismic Transmitter |
| Input Signal | Accepts signals from Eddy-Current Proximity Probes and Seismic Velocity Transducers |
| Output Signal | 4-20 mA DC, Linear with input (2-wire loop powered) |
| Housing Dimensions | Standard 15 mm (diameter) cylindrical housing with integrated connector |
| Length | Approximately 120 mm (varies with connector and cable) |
| Weight | ~ 0.3 kg (including connector) |
| Housing Material | Stainless Steel |
| Protection Rating | Typically IP66 / IP67 for harsh environments |
| Operating Temperature Range | -40°C to +85°C (standard industrial range) |
| Compliance | Designed for use with Bently Nevada 3500/42M or similar analog input modules. |
Application Scenarios
This transmitter is a fundamental component for converting raw sensor data into a robust signal for monitoring systems, used extensively in:
Industrial Rotating Machinery: Permanently installed on turbines, compressors, pumps, motors, and fans to provide continuous 4-20 mA signals representing shaft relative vibration, axial position, or case absolute vibration.
Power Generation Plants: Critical for monitoring steam turbines, gas turbines, boiler feed pumps, and large cooling fans in coal, nuclear, and combined-cycle power facilities.
Oil & Gas Production: Used on offshore platform compressors, pipeline pumps, gas turbines for compression, and other critical machinery to prevent failures in remote, harsh environments.
Predictive Maintenance Programs: Serves as a key data collection point for Condition-Based Monitoring (CBM) systems, feeding information into DCS or PLC for trending and alarm generation.
Heavy Process Industries: Applied in paper mills, chemical plants, and metal processing facilities to protect expensive capital equipment from unexpected breakdowns.
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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