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Bently Nevada 3500/42M 176449-02 Proximitor/Seismic Monitor

The Bently Nevada 3500/42M 176449-02 Proximitor/Seismic Monitor is a four-channel machinery protection module designed for the Bently Nevada 3500 Machinery Protection System. It accepts input signals from proximity probes, velocity sensors, and acceleration transducers to perform vibration, displacement, and position monitoring for critical rotating equipment.

The module continuously processes machine condition signals and compares measured values against user-configured alarm limits. It is widely applied in turbines, compressors, pumps, generators, and other rotating equipment where early detection of mechanical faults is essential. 

Description
Product Description:

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Bently Nevada 3500/42M 176449-02 Proximitor/Seismic Monitor

The Bently Nevada 3500/42M 176449-02 is a multifunctional vibration and position monitoring module within the 3500 Series Machinery Protection System.

The module is designed to receive signals from:

  • Proximity transducers

  • Velocity sensors

  • Accelerometers

It processes these inputs to measure important machinery parameters including:

  • Radial vibration

  • Shaft displacement

  • Axial position

  • Eccentricity

  • Velocity

  • Acceleration

  • Differential expansion

  • REBAM® bearing vibration monitoring

Each channel can be configured through 3500 Rack Configuration Software, allowing the same module to support different machinery monitoring requirements without changing hardware.

The 3500/42M provides both machinery protection and condition monitoring functions by continuously comparing measured values against programmable alarm thresholds and generating alarm conditions when abnormal operation occurs. 

Model Information:

Bently Nevada 3500/42M 176449-02

Manufacturer:
Bently Nevada

Series:
3500 Machinery Protection System

Part Number:
176449-02

Product Type:
Proximitor/Seismic Monitor

Channel Configuration:
4-channel monitoring module

Primary Function:
Vibration, displacement, and position monitoring

Compatible Sensors:
Proximity probes, velocity sensors, accelerometers

350042M 176449-02

350042M 176449-02

Technical Specifications:
ParameterSpecification
Model3500/42M 176449-02
Product TypeProximitor/Seismic Monitor
Channels4 independent channels
Input Signal TypesProximity, velocity, acceleration transducers
Monitoring FunctionsVibration, displacement, position, acceleration
Radial Vibration Sensitivity3.94 mV/μm or 7.87 mV/μm
Thrust Position Sensitivity3.94 mV/μm or 7.87 mV/μm
Differential Expansion Sensitivity0.394 mV/μm or 0.787 mV/μm
REBAM Sensitivity40 mV/μm or 80 mV/μm
Input Impedance10 kΩ standard I/O
Power ConsumptionApprox. 7.7 W
Frequency RangeApprox. 0.5 Hz to 20 kHz
OutputBuffered transducer outputs / recorder outputs
Alarm SettingUser programmable Alert and Danger limits
Configuration Software3500 Rack Configuration Software
InstallationBently Nevada 3500 rack
DimensionsApprox. 241.3 × 24.4 × 241.8 mm
WeightApprox. 0.91 kg
Operating Temperature-30°C to +65°C


Main Features:

Four-Channel Vibration Monitoring

The 3500/42M provides four configurable monitoring channels, allowing multiple vibration and position parameters to be monitored simultaneously within one rack module.

Multi-Sensor Compatibility

The module supports different industrial sensor technologies including:

  • Eddy-current proximity probes

  • Velocity sensors

  • Accelerometers

This flexibility allows use across various rotating machinery applications.

Advanced Signal Processing

The module performs signal conditioning, filtering, and measurement calculations to provide reliable machine health information.

Configurable Measurement Functions

Users can configure channels for different monitoring purposes, including:

  • Radial vibration

  • Shaft absolute vibration

  • Axial position

  • Differential expansion

  • Eccentricity

  • REBAM monitoring


Machinery Protection Capability

The module compares monitored values against configured alarm setpoints to support early warning and equipment protection strategies. 

Advantages:
  • Provides comprehensive vibration and position monitoring in one module

  • Supports multiple sensor types for flexible installation

  • Improves fault detection for critical rotating machinery

  • Helps reduce unexpected equipment shutdowns

  • Supports predictive maintenance programs

  • Integrates with existing Bently Nevada 3500 systems

Application Fields:

Power Generation

Used for steam turbines, gas turbines, generators, and auxiliary rotating equipment monitoring.

Oil & Gas Industry

Applied in compressors, pumps, expanders, and critical rotating machinery.

Petrochemical Plants

Provides vibration and displacement monitoring for process equipment.

Industrial Manufacturing

Used for motors, gearboxes, and heavy rotating machinery condition monitoring.

Energy Infrastructure

Supports continuous machinery protection and operational reliability programs.

FAQ:

Q1: What is the Bently Nevada 3500/42M 176449-02 used for?

A:
It is used for vibration, displacement, and position monitoring of critical rotating machinery within the Bently Nevada 3500 protection system.

Q2: How many channels does the 3500/42M 176449-02 have?

A:
The module provides four independent monitoring channels.

Q3: Which sensors can be connected to this module?

A:
It supports proximity probes, velocity sensors, and acceleration sensors.

Q4: Can the 3500/42M monitor axial position?

A:
Yes. The module can be configured for axial position and other displacement monitoring functions depending on application requirements.

Q5: Is the 176449-02 used for vibration protection?

A:
Yes. The module is designed to provide vibration monitoring, alarm processing, and machinery protection functions within the 3500 platform.


Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.

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