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- Bently Nevada
- 3500/42M 138700-01
- Shaft Absolute I/O Module
- USA
- 241.3 mm x 24.13 mm x 228.6 mm
- 0.75kg
- Xiamen, China
- New & In Stock
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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📘 Product Introduction: Bently Nevada 3500/42M 138700-01
The Bently Nevada 3500/42M Proximitor/Seismic Monitor, model 138700-01, is a high-performance monitoring module designed to continuously measure and protect rotating machinery. As part of the trusted 3500 Series, this model integrates proximity and seismic vibration measurements for critical equipment such as turbines, compressors, motors, and pumps.
This module is engineered to provide precise, real-time data acquisition for machinery protection and diagnostics. Featuring two-channel or four-channel configurations, the 3500/42M allows for versatile deployment in various industrial environments.
🔧 Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 3500/42M 138700-01 |
| Number of Channels | 2 or 4 |
| Input Type | Proximity (Proximitor®) and Seismic Vibration Inputs |
| Sensor Compatibility | Proximitor® Sensors, Velomitor®, Seismoprobe® |
| Measurement Types | Radial, Axial, Thrust, Acceleration, Velocity |
| Output Type | Dynamic Signal Output & Buffered Transducer Signals |
| Relay Output | Yes (via separate relay modules) |
| Power Consumption | < 6 W |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Mounting | Rack-mounted in 3500 Series System |
| Size | 241.3 mm x 24.13 mm x 228.6 mm (9.5 in x 0.95 in x 9 in) |
| Weight | 0.75 kg (1.65 lbs) |
🧰 Product Applications
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Steam and Gas Turbines
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Centrifugal Compressors
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Reciprocating Compressors
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Industrial Fans and Blowers
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Large Motors and Generators
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Gearboxes and Pumps
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Hydro Turbines
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Marine Engines
The 3500/42M is widely applied in industries such as:
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Oil & Gas
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Petrochemical
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Power Generation
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Marine
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Paper and Pulp
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Water Treatment Plants
✅ Product Advantages
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Dual Sensor Capability: Accepts both Proximitor® and seismic vibration inputs in one module.
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High Accuracy: Designed for precise data acquisition and rapid detection of mechanical issues.
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Redundancy Support: Can operate with redundant power and communication paths to ensure zero data loss.
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Modular Integration: Seamless integration with other modules in the 3500 Series Rack for scalable system design.
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Real-Time Monitoring: Provides buffered output and real-time trending for condition monitoring.
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International Compliance: Meets global standards for industrial monitoring, including API 670.
🏷 Brand Information
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Brand: Bently Nevada
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Series: 3500 Machinery Protection System
The 3500 Series is known for its industry-standard machinery protection systems, providing continuous monitoring and diagnostics to avoid unplanned downtime.
🔁 Related Models in the Same Series
| Model | Description | Input Type | Channels | Size (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 3500/40M 140734-02 | Proximitor Monitor | Proximity | 4 | 241.3 x 24.13 x 228.6 | 0.73 |
| 3500/44M 144181-01 | TMR (Triple Modular Redundant) Vibration Monitor | Seismic / Velocity / Accel | 4 | 241.3 x 24.13 x 228.6 | 0.76 |
| 3500/25 149369-01 | Keyphasor Module | Keyphasor® | 2 | 241.3 x 24.13 x 228.6 | 0.72 |
| 3500/15 106M1079-01 | Power Supply Module | AC/DC Power | N/A | 241.3 x 48.26 x 228.6 | 1.25 |
| 3500/22M 288055-01 | Communication Gateway | Ethernet / Serial | N/A | 241.3 x 24.13 x 228.6 | 0.80 |
🔝 Popular Models from the Same Brand
| Model | Description | Input Type | Channels | Size (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 3500/60 163179-01 | Temperature Monitor | RTD / Thermocouple | 6 | 241.3 x 24.13 x 228.6 | 0.74 |
| 3500/93 3500M231-01 | Display Interface Module | Ethernet | N/A | 241.3 x 24.13 x 228.6 | 0.77 |
| 3500/94M 145988-01 | VGA Display Monitor | VGA | N/A | 241.3 x 24.13 x 228.6 | 0.82 |
| 3300 XL 5mm Proximitor | Proximity Transducer System | Proximity | N/A | 76.2 x 19.05 x 50.8 | 0.35 |
| 1900/65A | Vibration Monitor (Standalone) | Acceleration / Velocity | 2 | 120 x 90 x 60 | 0.65 |
❓ Frequently Asked Questions (FAQ)
Q1: What type of sensors can be connected to the 3500/42M 138700-01 module?
A1: This module is compatible with Proximitor® proximity probes and seismic vibration sensors, including Velomitor® and Seismoprobe® series.
Q2: How many channels does the module support?
A2: The 3500/42M module supports either 2 or 4 input channels, depending on configuration.
Q3: What industries use the 3500/42M module?
A3: It is widely used in oil and gas, petrochemical, power generation, marine, and manufacturing sectors.
Q4: Does this module have relay outputs?
A4: It does not have built-in relays but works in conjunction with dedicated relay modules in the 3500 system.
Q5: What is the function of this module?
A5: It monitors vibration and position data from rotating machinery and helps prevent mechanical failure.
Q6: Can this module be used with legacy systems?
A6: Yes, it is backward compatible with certain legacy Bently Nevada systems when integrated appropriately.
Q7: What are the power requirements for this module?
A7: It consumes less than 6 watts and is powered through the 3500 rack’s power module.
Q8: Is real-time monitoring possible with this model?
A8: Yes, it supports real-time condition monitoring with dynamic signal output.
Q9: What is the typical installation location for this module?
A9: It is rack-mounted within a 3500 Series monitoring rack system.
Q10: What are the physical dimensions and weight of this module?
A10: Dimensions are 241.3 mm x 24.13 mm x 228.6 mm, and the weight is approximately 0.75 kg.