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Bently Nevada 3500/45 135137-01 Position Monitor
Manufacturer: Bently Nevada
Product Number: 3500/45 (135137-01)
Category: 4-Channel Position Monitor
Number of Channels: 4
Series: 3500 Series Machinery Protection System
Application: Measures and monitors axial and radial position of rotating machinery shafts
Product Description
The Bently Nevada 3500/45 Position Monitor (135137-01) is a four-channel machinery protection module designed to measure and monitor the axial and radial position of rotating machinery shafts.
It is a key component of the Bently Nevada 3500 Series Machinery Protection System, which provides continuous online monitoring, alarm management, and machine trip capabilities for critical rotating equipment.
This module accepts inputs from Proximitor® proximity probes and other eddy current displacement transducers. It continuously processes shaft position and vibration data, comparing them with programmed Alert and Danger setpoints. When limits are exceeded, it provides real-time protection by triggering alarms or shutdowns through the system’s relay outputs.
The 3500/45 Position Monitor is typically used in turbines, compressors, motors, and pumps where accurate shaft position monitoring is essential to detect thrust movement, misalignment, or bearing wear.
Key Features
-
Four independent measurement channels.
-
Compatible with Bently Nevada Proximitor® sensors.
-
Real-time axial and radial position measurement.
-
Programmable Alert and Danger setpoints per channel.
-
Full integration with the 3500 rack protection system.
-
High accuracy and long-term stability.
-
Field-replaceable modular design (front and rear module pair).
-
Advanced signal conditioning and filtering to minimize noise.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Model Number | 3500/45 (135137-01) | Four-channel Position Monitor |
| Function | Measures shaft position and vibration | Processes Proximitor® or eddy-current probe inputs |
| Number of Channels | 4 channels (configurable as pairs) | Each channel individually programmable |
| Input Type | Proximitor® proximity probe or eddy current transducer | Monitors shaft position or displacement |
| Input Range | −20 V to −2 V typical | Compatible with standard Bently Nevada probes |
| Input Impedance | 10 kΩ nominal | Ensures accurate probe signal detection |
| Frequency Response | DC to 4 kHz (−3 dB typical) | Allows both static and dynamic measurement |
| Measurement Range | Configurable via 3500 software | Supports thrust, position, and vibration monitoring |
| Units of Measurement | mils, micrometers, or millimeters | User-selectable engineering units |
| Accuracy | ±1 % of full-scale range | High linearity and stability |
| Alert / Danger Setpoints | Programmable | Provides independent protection per channel |
| Outputs | 4–20 mA, relay trip, rack communication bus | Transmits data to DCS or monitoring software |
| Power Consumption | ~7.5 W typical | Standard per installed module |
| Operating Temperature | −30 °C to +65 °C | Industrial environment rating |
| Storage Temperature | −40 °C to +85 °C | Non-operating condition |
| Rack Requirement | One front slot and 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 module size |
| Weight | Approx. 0.46 kg (1.01 lb) | Lightweight modular design |
| Housing Material | Anodized aluminum alloy | Provides EMI/RFI protection |
| Compliance | CE, CSA, ATEX (depending on version) | Meets global industrial standards |
| Country of Origin | United States–Minden, Nevada (USA) | Manufactured by Bently Nevada, Baker Hughes |
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Bently Nevada 3500/45 135137-01 Position Monitor
Manufacturer: Bently Nevada
Product Number: 3500/45 (135137-01)
Category: 4-Channel Position Monitor
Number of Channels: 4
Series: 3500 Series Machinery Protection System
Application: Measures and monitors axial and radial position of rotating machinery shafts
Product Description
The Bently Nevada 3500/45 Position Monitor (135137-01) is a four-channel machinery protection module designed to measure and monitor the axial and radial position of rotating machinery shafts.
It is a key component of the Bently Nevada 3500 Series Machinery Protection System, which provides continuous online monitoring, alarm management, and machine trip capabilities for critical rotating equipment.
This module accepts inputs from Proximitor® proximity probes and other eddy current displacement transducers. It continuously processes shaft position and vibration data, comparing them with programmed Alert and Danger setpoints. When limits are exceeded, it provides real-time protection by triggering alarms or shutdowns through the system’s relay outputs.
The 3500/45 Position Monitor is typically used in turbines, compressors, motors, and pumps where accurate shaft position monitoring is essential to detect thrust movement, misalignment, or bearing wear.
Key Features
-
Four independent measurement channels.
-
Compatible with Bently Nevada Proximitor® sensors.
-
Real-time axial and radial position measurement.
-
Programmable Alert and Danger setpoints per channel.
-
Full integration with the 3500 rack protection system.
-
High accuracy and long-term stability.
-
Field-replaceable modular design (front and rear module pair).
-
Advanced signal conditioning and filtering to minimize noise.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Model Number | 3500/45 (135137-01) | Four-channel Position Monitor |
| Function | Measures shaft position and vibration | Processes Proximitor® or eddy-current probe inputs |
| Number of Channels | 4 channels (configurable as pairs) | Each channel individually programmable |
| Input Type | Proximitor® proximity probe or eddy current transducer | Monitors shaft position or displacement |
| Input Range | −20 V to −2 V typical | Compatible with standard Bently Nevada probes |
| Input Impedance | 10 kΩ nominal | Ensures accurate probe signal detection |
| Frequency Response | DC to 4 kHz (−3 dB typical) | Allows both static and dynamic measurement |
| Measurement Range | Configurable via 3500 software | Supports thrust, position, and vibration monitoring |
| Units of Measurement | mils, micrometers, or millimeters | User-selectable engineering units |
| Accuracy | ±1 % of full-scale range | High linearity and stability |
| Alert / Danger Setpoints | Programmable | Provides independent protection per channel |
| Outputs | 4–20 mA, relay trip, rack communication bus | Transmits data to DCS or monitoring software |
| Power Consumption | ~7.5 W typical | Standard per installed module |
| Operating Temperature | −30 °C to +65 °C | Industrial environment rating |
| Storage Temperature | −40 °C to +85 °C | Non-operating condition |
| Rack Requirement | One front slot and 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 module size |
| Weight | Approx. 0.46 kg (1.01 lb) | Lightweight modular design |
| Housing Material | Anodized aluminum alloy | Provides EMI/RFI protection |
| Compliance | CE, CSA, ATEX (depending on version) | Meets global industrial standards |
| Country of Origin | United States–Minden, Nevada (USA) | Manufactured by Bently Nevada, Baker Hughes |
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