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Bently Nevada 3500/25 125792-01 Keyphasor & Speed Monitoring Module
Original price was: $1,630.00.$990.00Current price is: $990.00.
The Bently Nevada 3500/25 125792-01 is a high-precision keyphasor and speed monitoring module for the 3500 machinery protection system, designed to acquire stable phase reference signals, measure rotational speed, and provide reliable overspeed protection for critical rotating industrial equipment such as turbines, compressors, pumps and motors, with programmable alarm thresholds, configurable voting logic and full compatibility with the 3500 system rack for enhanced equipment operational safety and condition monitoring.
Description
| Parameter | Details |
|---|---|
| Model | 3500/25 125792-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | Keyphasor & Speed 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 | 5.2 W |
| Relay Output | 4 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 |
| 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 | 0.80 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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