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Bently Nevada 3500/50 133388-02 2-Channel Speed & Keyphasor Monitoring Module
Original price was: $3,690.00.$2,190.00Current price is: $2,190.00.
The Bently Nevada 3500/50 133388-02 is a 2-channel speed and keyphasor monitoring module for the 3500 machinery protection system, designed to deliver high-precision rotational speed measurement, phase reference signal acquisition, and reliable overspeed protection for critical rotating industrial equipment such as turbines, compressors, pumps and motors, with programmable speed thresholds, configurable redundant voting logic, integrated relay outputs and standard industrial communication capabilities for enhanced equipment operational safety and condition monitoring.
Description
| Parameter | Details |
|---|---|
| Model | 3500/50 133388-02 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | 2-Channel Speed & Keyphasor Monitoring Module |
| Product Series | 3500 Machinery Protection System |
| Number of Independent Input Channels | 2 |
| Supported Input Signals | Keyphasor, proximity probe, magnetic pickup, optical encoder speed signals |
| Speed Measurement Range | 0.1 Hz ~ 20 kHz (6 rpm ~ 1,200,000 rpm) |
| Phase Measurement Accuracy | ±0.1° @ 60 Hz |
| Speed Measurement Accuracy | ±0.01% of full scale |
| Backplane Supply Voltage | +5 VDC, ±15 VDC from 3500 rack power supply |
| Typical Power Consumption | 5.5 W |
| Relay Output | 6 Form-C relay contacts for speed alarm, overspeed shutdown and status indication |
| Alarm Configuration | Dual programmable Alert, Danger and Overspeed shutdown thresholds per channel |
| Voting Logic | Configurable 1-out-of-2, 2-out-of-2 redundant voting logic |
| Communication Interface | Modbus RTU/TCP via rack backplane, 10/100BASE-TX Ethernet |
| ADC Resolution | 24-bit |
| Operating Temperature Range | -30°C to +65°C |
| Storage Temperature Range | -40°C to +85°C |
| Dimensions (W×H×D) | 24.4 mm × 241.3 mm × 241.8 mm |
| Net Weight | 0.82 kg |
| Protection Rating | IP20 |
| Mounting Method | Full-height slot installation on standard 3500 system rack |
| Compliance Certifications | CE, UL, ATEX, IECEx, SIL 2, CSA, RoHS |
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About brand
The BENTLY 3500 system is a professional machinery protection and condition monitoring solution widely used in industries like oil and gas, power generation, and petrochemicals. It adopts a modular design, allowing flexible configuration of monitoring modules (e.g., vibration, temperature, and speed modules) to track key operating parameters of rotating equipment such as turbines and compressors. By collecting and analyzing data in real time, it can promptly identify issues like equipment imbalance or bearing wear, trigger alarms or shutdowns when thresholds are exceeded, and effectively prevent unexpected equipment failures to ensure production continuity.
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