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Bently Nevada 3500/46M 176449-06 Hydro Monitor
Manufacturer: Bently Nevada
Product Number: 3500/46M (176449-06)
Category: Hydro Monitor (3500 Machinery Protection System)
Number of Channels: 4
System Compatibility: Bently Nevada 3500 Machinery Protection System
Application: Specifically engineered for hydroelectric turbines and generators
Product Description
The Bently Nevada 3500/46M Hydro Monitor (176449-06) is a four-channel machinery protection module designed for use within the Bently Nevada 3500 Machinery Protection System.
It is specifically engineered for hydroelectric turbines, generators, and large rotating machines, providing real-time measurement and protection against mechanical faults such as vibration, shaft displacement, and eccentricity.
The 3500/46M processes input signals from Proximitor® proximity probes and seismic transducers, converting these signals into precise vibration and displacement readings. The monitor continuously compares measured values against programmed Alert and Danger limits to initiate alarms or shutdown actions when required.
The 176449-06 version represents the rear I/O module used in combination with the front monitor module (46M). Together, they provide a complete monitoring solution for hydro machinery applications.
Key Features
-
Four independent, programmable monitoring channels.
-
Compatible with Proximitor® probes and hydraulic or seismic sensors.
-
Designed for hydroelectric turbine and generator applications.
-
Measures both shaft vibration and shaft position (thrust, radial).
-
Configurable Alert and Danger alarm setpoints per channel.
-
Modular front and rear I/O design for simplified maintenance.
-
Continuous 24/7 monitoring for online protection and diagnostics.
-
Advanced digital signal processing with noise reduction.
-
Full compatibility with the Bently Nevada 3500 rack system.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Model Number | 3500/46M (176449-06) | Four-channel Hydro Monitor |
| Function | Monitors shaft vibration, thrust, and eccentricity in hydro machinery | Provides protection and diagnostic data |
| Number of Channels | 4 channels | Each channel configurable individually |
| Input Type | Proximitor® probe, seismic sensor, or proximity transducer | For vibration and displacement measurement |
| Input Range | −20 V to −2 V typical | Compatible with standard Bently Nevada probes |
| Input Impedance | 10 kΩ nominal | Optimized for high signal accuracy |
| Frequency Response | DC to 4 kHz (−3 dB typical) | Suitable for both static and dynamic measurements |
| Measurement Units | mils, µm, mm, or in/s | Selectable through configuration software |
| Measurement Accuracy | ±1 % of full-scale | Stable under varying environmental conditions |
| Alert / Danger Setpoints | Fully programmable | Independent configuration for each channel |
| Outputs | 4–20 mA, relay trip, system communication bus | Integrates with plant control systems |
| Power Consumption | Approximately 7.5 W | Typical per installed module |
| Operating Temperature | −30 °C to +65 °C | Designed for industrial environments |
| Storage Temperature | −40 °C to +85 °C | Safe non-operating range |
| Rack Requirement | One front slot + one rear I/O slot | Standard 3500 rack configuration |
| Dimensions (H × W × D) | 241.3 mm × 24.4 mm × 163.1 mm (9.50 in × 0.96 in × 6.42 in) | Standard Bently Nevada 3500 module size |
| Weight | Approx. 0.46 kg (1.01 lb) | Lightweight and durable construction |
| Housing Material | Anodized aluminum alloy | Provides EMI/RFI shielding and heat resistance |
| Compliance | CE, CSA, ATEX (depending on model variant) | Meets international standards for industrial use |
| Country of Origin | United States–Minden, Nevada (USA) | Manufactured by Bently Nevada, Baker Hughes |
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Bently Nevada 3500/46M 176449-06 Hydro Monitor
Manufacturer: Bently Nevada
Product Number: 3500/46M (176449-06)
Category: Hydro Monitor (3500 Machinery Protection System)
Number of Channels: 4
System Compatibility: Bently Nevada 3500 Machinery Protection System
Application: Specifically engineered for hydroelectric turbines and generators
Product Description
The Bently Nevada 3500/46M Hydro Monitor (176449-06) is a four-channel machinery protection module designed for use within the Bently Nevada 3500 Machinery Protection System.
It is specifically engineered for hydroelectric turbines, generators, and large rotating machines, providing real-time measurement and protection against mechanical faults such as vibration, shaft displacement, and eccentricity.
The 3500/46M processes input signals from Proximitor® proximity probes and seismic transducers, converting these signals into precise vibration and displacement readings. The monitor continuously compares measured values against programmed Alert and Danger limits to initiate alarms or shutdown actions when required.
The 176449-06 version represents the rear I/O module used in combination with the front monitor module (46M). Together, they provide a complete monitoring solution for hydro machinery applications.
Key Features
-
Four independent, programmable monitoring channels.
-
Compatible with Proximitor® probes and hydraulic or seismic sensors.
-
Designed for hydroelectric turbine and generator applications.
-
Measures both shaft vibration and shaft position (thrust, radial).
-
Configurable Alert and Danger alarm setpoints per channel.
-
Modular front and rear I/O design for simplified maintenance.
-
Continuous 24/7 monitoring for online protection and diagnostics.
-
Advanced digital signal processing with noise reduction.
-
Full compatibility with the Bently Nevada 3500 rack system.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Model Number | 3500/46M (176449-06) | Four-channel Hydro Monitor |
| Function | Monitors shaft vibration, thrust, and eccentricity in hydro machinery | Provides protection and diagnostic data |
| Number of Channels | 4 channels | Each channel configurable individually |
| Input Type | Proximitor® probe, seismic sensor, or proximity transducer | For vibration and displacement measurement |
| Input Range | −20 V to −2 V typical | Compatible with standard Bently Nevada probes |
| Input Impedance | 10 kΩ nominal | Optimized for high signal accuracy |
| Frequency Response | DC to 4 kHz (−3 dB typical) | Suitable for both static and dynamic measurements |
| Measurement Units | mils, µm, mm, or in/s | Selectable through configuration software |
| Measurement Accuracy | ±1 % of full-scale | Stable under varying environmental conditions |
| Alert / Danger Setpoints | Fully programmable | Independent configuration for each channel |
| Outputs | 4–20 mA, relay trip, system communication bus | Integrates with plant control systems |
| Power Consumption | Approximately 7.5 W | Typical per installed module |
| Operating Temperature | −30 °C to +65 °C | Designed for industrial environments |
| Storage Temperature | −40 °C to +85 °C | Safe non-operating range |
| Rack Requirement | One front slot + one rear I/O slot | Standard 3500 rack configuration |
| Dimensions (H × W × D) | 241.3 mm × 24.4 mm × 163.1 mm (9.50 in × 0.96 in × 6.42 in) | Standard Bently Nevada 3500 module size |
| Weight | Approx. 0.46 kg (1.01 lb) | Lightweight and durable construction |
| Housing Material | Anodized aluminum alloy | Provides EMI/RFI shielding and heat resistance |
| Compliance | CE, CSA, ATEX (depending on model variant) | Meets international standards for industrial use |
| Country of Origin | United States–Minden, Nevada (USA) | Manufactured by Bently Nevada, Baker Hughes |
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