Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Bently Nevada 3500/42-04-CN is a Proximity and Seismic Monitor Module designed for continuous monitoring, analysis, and protection of critical rotating machinery. It belongs to the 3500 Machinery Protection System Series and is mainly used for measuring shaft displacement, radial vibration, seismic vibration, and mechanical operating conditions.
The module integrates proximity probe monitoring and seismic vibration measurement functions into a single rack-mounted monitoring unit. It receives signals from non-contact displacement sensors and vibration sensors, processes the collected data, and provides reliable information about the operating condition of rotating equipment.
The 3500/42-04-CN is developed for industrial applications where machinery reliability, operational safety, and continuous production are highly important. It is commonly used for monitoring large rotating equipment including steam turbines, gas turbines, compressors, generators, pumps, and industrial motors.
During equipment operation, the module continuously observes changes in shaft position, vibration amplitude, and mechanical movement. It helps maintenance personnel recognize abnormal conditions such as excessive vibration, rotor instability, shaft displacement changes, mechanical imbalance, misalignment, and bearing deterioration.
The module adopts a modular rack-mounted structure, which provides convenient installation, replacement, and maintenance. It can be integrated with other monitoring modules, relay modules, communication modules, and power supply modules to create a complete machinery protection and condition monitoring system.
The 3500/42-04-CN provides stable signal processing, dependable measurement performance, and continuous monitoring capability. It is suitable for industrial environments requiring accurate machine condition evaluation, early warning detection, and predictive maintenance.
| Parameter | Description |
|---|---|
| Model | 3500/42-04-CN |
| Product Type | Proximity and Seismic Monitor Module |
| Brand | Bently Nevada |
| Product Series | 3500 Machinery Protection System Series |
| Main Function | Shaft displacement and vibration monitoring |
| Monitoring Method | Continuous online machinery condition monitoring |
| Input Signal | Proximity probe and seismic vibration sensor signals |
| Measurement Object | Shaft movement, vibration condition, mechanical behavior |
| Installation Method | Rack-mounted modular installation |
| Signal Processing | Digital signal processing |
| Alarm Function | Configurable alarm monitoring |
| Protection Function | Rotating machinery protection |
| System Compatibility | 3500 rack monitoring platform |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Maintenance Method | Modular replacement |
| Operating Environment | Industrial rotating machinery environment |
| Dimensions | Approximately 241 mm × 24.4 mm × 241 mm |
| Weight | Approx. 0.45 kg |
| Parameter | Specification |
|---|---|
| Model | 3500/42-04-CN |
| Product Series | 3500 Machinery Protection System Series |
| Module Type | Proximity and Seismic Monitor Module |
| Monitoring Function | Shaft displacement and vibration monitoring |
| Sensor Compatibility | Eddy current proximity probes and seismic vibration sensors |
| Measurement Principle | Non-contact displacement measurement and vibration detection |
| Monitoring Target | Shaft position, radial vibration, mechanical movement |
| Input Signal Type | Proximity probe and seismic sensor inputs |
| Signal Processing Method | Digital signal conditioning and processing |
| Measurement Parameters | Shaft displacement, vibration amplitude, mechanical condition |
| Monitoring Mode | Continuous online monitoring |
| Channel Capability | Multi-channel monitoring capability |
| Alarm Capability | Adjustable alarm thresholds |
| Diagnostic Capability | Channel and module status monitoring |
| Communication Capability | Compatible with 3500 system communication architecture |
| Installation Position | Standard rack module slot |
| Front Panel Indicator | LED operating status indicators |
| Power Supply | Supplied through monitoring rack |
| Operating Temperature | Industrial operating temperature range |
| Humidity Resistance | Suitable for industrial humidity conditions |
| Shock Resistance | Designed for industrial mechanical environments |
| Vibration Resistance | Suitable for rotating machinery applications |
| Maintenance Feature | Modular replacement capability |
| Application Type | Critical machinery protection |
| Dimensions | Approximately 241 mm × 24.4 mm × 241 mm |
| Weight | Approx. 0.45 kg |
The 3500/42-04-CN is widely used in steam turbine condition monitoring systems.
Steam turbines operate at high rotational speeds and require accurate monitoring of rotor movement and vibration conditions. Small changes in mechanical behavior can indicate developing equipment problems.
The module continuously monitors turbine operating conditions and helps identify:
Continuous monitoring improves turbine reliability and supports planned maintenance activities.
Gas turbines operate under extreme mechanical and thermal conditions.
The module provides reliable vibration and displacement monitoring functions to identify abnormal machine behavior at an early stage.
Typical applications include:
Compressors are critical rotating machines used in industrial production systems.
The module continuously monitors vibration and shaft displacement conditions to identify possible mechanical problems.
It helps detect:
Generators require stable mechanical operation to maintain reliable performance.
The module provides continuous monitoring of vibration and shaft movement conditions.
It supports:
Industrial pumps and motors usually operate continuously for extended periods.
The module provides monitoring information related to vibration and mechanical movement.
It supports:
The product is suitable for various industrial applications, including:
The module combines proximity measurement and seismic vibration monitoring functions.
This allows users to obtain more complete information about rotating machinery operating conditions.
The module provides stable and accurate monitoring of shaft displacement and vibration changes.
It helps detect early mechanical variations before they become serious failures.
The product supports real-time monitoring during normal machine operation.
It reduces dependence on manual inspections and improves equipment condition visibility.
The module helps identify abnormal machine behavior at an early stage.
This allows maintenance teams to take corrective actions before major equipment damage occurs.
The rack-mounted structure allows easy installation, maintenance, and replacement.
Individual modules can be exchanged without affecting the complete monitoring system.
The module can be applied to many types of rotating equipment.
It is suitable for turbines, compressors, generators, pumps, and motors.
The collected condition data helps maintenance teams establish better maintenance strategies.
It improves equipment reliability and reduces unnecessary repair activities.
The module is designed for continuous operation in demanding industrial environments.
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Machinery monitoring and protection equipment |
| Main Technology | Vibration monitoring, displacement measurement, condition monitoring |
| Main Application | Rotating machinery protection |
| Typical Equipment | Turbines, compressors, generators, pumps, motors |
The 3500 Series is a modular machinery protection and condition monitoring platform designed for critical rotating equipment.
The system collects operating information through different sensors and monitoring modules, analyzes machine conditions, and provides alarm and protection functions.
The series is widely used in industries where equipment reliability, safety, and continuous operation are essential.
Main module categories include:
| Module Type | Function |
|---|---|
| Proximity Monitor Module | Shaft displacement monitoring |
| Proximity and Seismic Monitor Module | Vibration and displacement monitoring |
| Vibration Monitor Module | Vibration measurement and analysis |
| Position Monitor Module | Axial and radial position monitoring |
| Temperature Monitor Module | Temperature condition monitoring |
| Relay Module | Alarm and shutdown control |
| Communication Module | Data communication and integration |
| Power Supply Module | System power management |
| Model | Product Type | Main Parameters | Application | Dimensions | Weight |
|---|---|---|---|---|---|
| 3500/42-04-00 | Proximity and Seismic Monitor Module | Shaft displacement and vibration monitoring | Turbine and compressor protection | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/42-04-01 | Proximity and Seismic Monitor Module | Continuous vibration and displacement monitoring | Critical rotating machinery | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/42-04-02 | Proximity and Seismic Monitor Module | Vibration monitoring and mechanical condition analysis | Industrial machinery protection | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/42-01-00 | Proximity and Seismic Monitor Module | Multi-channel vibration and displacement measurement | Rotating equipment monitoring | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/42M-01-00 | Enhanced Proximity and Seismic Monitor | Advanced vibration and displacement monitoring | High-value machinery protection | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| Model | Product Type | Main Parameters | Application | Dimensions | Weight |
|---|---|---|---|---|---|
| 3500/15-01-00 | Power Supply Module | Rack power supply, redundant operation support | System power management | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/22M-01-01-00 | Transient Data Interface Module | High-speed data acquisition, transient recording, machine analysis | Machinery diagnostics | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/32-01-00 | Relay Module | Alarm output, configurable relay logic, shutdown control | Machinery protection systems | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/50-01-00 | Tachometer Module | Rotational speed monitoring, overspeed protection | Turbine speed monitoring | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
| 3500/92-01-01-00 | Communication Gateway Module | Data communication and system integration | Industrial monitoring networks | Approx. 241 × 24.4 × 241 mm | Approx. 0.45 kg |
The Bently Nevada 3500/42-04-CN is a professional proximity and seismic monitoring module designed for critical rotating machinery applications.
It provides combined shaft displacement monitoring and vibration measurement functions, allowing maintenance teams to obtain detailed information about equipment operating conditions.
As part of the 3500 Machinery Protection System Series, the module provides reliable monitoring performance, modular installation advantages, flexible configuration capability, and stable long-term operation.
The product is suitable for turbines, compressors, generators, pumps, motors, and other important rotating equipment requiring continuous condition monitoring.
Through vibration analysis, shaft displacement measurement, and early detection of mechanical changes, the 3500/42-04-CN helps improve equipment reliability, reduce maintenance risks, prevent unexpected failures, optimize maintenance schedules, and support efficient industrial operation.