Bently Nevada 135489-01
Bently Nevada 135489-01
Bently Nevada 135489-01
Bently Nevada 135489-01
Bently Nevada 135489-01
Bently Nevada 135489-01
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135489-01

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Bently Nevada 135489-01 I/O Module with Internal Barriers and Terminations delivers precise 4-channel input monitoring for 3500/42M, 3500/70M, and 3500/72M systems while ensuring safe separation of hazardous and safe wiring.
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Technical specifications for 135489-01

  • Manufacturer:
    Bently Nevada
  • Part Number:
    135489-01
  • Product Family:
    3500 System
  • Product Type:
    I/O Module with Internal Barrier
  • Um:
    250 V
  • Temperature Accuracy:
    ±1 °C @ +25 °C, ±15 °C over operating temperature
  • Number of channels:
    4 input channels.
  • Phase Accuracy:
    -11° @ 10 kHz
  • Operating Temperature:
    0 ℃ to + 65 ℃ (+32 °F to + 150 °F)
  • Storage Temperature:
    -40 °C to + 85 ℃ (-40 °F to + 185°F)
  • Humidity:
    95%, non-condensing
  • Weight:
    0.96 kg
  • Estimated shipping dimensions:
    2.5x18.5x14cm
  • Tariff Code:
    6602000090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Diagnostic Configuration Application Scenarios

Features:

  • Provides Enhanced Safety With Internal Barriers And Terminations
  • Supports Multiple 3500-Series Monitoring Modules For Flexible Applications
  • Optimizes Cabinet Installation While Maintaining Hazardous And Safe Wiring Separation
The Bently Nevada 135489-01 module is engineered to deliver reliable I/O performance for 3500/42M Proximitor/Seismic Monitors, 3500/70M Recip Impulse/Velocity Monitors, and 3500/72M Recip Rod Drop Monitors. Unlike conventional 3500-series modules, it integrates internal barriers and terminations, reducing the need for external isolation and simplifying panel or cabinet layouts. This internal safety design ensures safe operation in environments with mixed hazardous and safe field wiring.

With four input channels and precise signal handling, the 135489-01 achieves superior temperature and phase accuracy compared to standard 3500/42M or 3500/70M modules. Temperature measurements remain highly accurate across the full operating range, and phase fidelity supports critical vibration, displacement, and velocity monitoring. These capabilities provide more reliable diagnostics and reduce the risk of monitoring errors in comparison to legacy modules lacking internal barriers.

Designed for demanding industrial conditions, the 135489-01 allows effective installation in 600 mm cabinets and 3500/06 Weatherproof Housings, while a bulkhead version accommodates smaller cabinet spaces. Hazardous and safe wiring can be routed efficiently within the rack, maintaining the recommended 50 mm separation. By combining precise measurements, internal safety features, and flexible installation options, this module offers a clear advantage over traditional 3500/42M, 3500/70M, and 3500/72M I/O modules.

The 135489-01 Bently Nevada I/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 135489-01 I/O Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 135489-01 I/O Module Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 135489-01
  • Condition New Original ready stock
  • Product Family 146031-01,133388-02,136703-01
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Safety Isolation: Built-in intrinsically safe barrier allows direct sensor connection in hazardous areas (Class I, Division 1, or Zone 0/1) without external isolation barriers and without degrading system performance.
  • Status Monitoring: The panel features an OK LED indicating normal module operation, TX/RX LEDs indicating communication status, and a Bypass LED indicating bypass mode.
  • Channel Protection: Includes short-circuit protection, overvoltage protection, and reverse polarity protection.
  • Alarm Logic: Supports user-programmable alarm and hazard trigger values, and provides buffered outputs for external diagnostic analysis.
  • Programming Pairing: Channels are typically programmed in pairs (e.g., 1/2 channels and 3/4 channels), with each pair performing different monitoring functions.
  • Parameter Setting: Configurable sensor type (e.g., Proximitor, accelerometer), full-scale range, alarm delay, hysteresis, and recorder output (4-20mA).
  • Update Steps: Download the configuration file to the rack via the 3500/22M TDI module.
  • 3500/42M Scenario: Radial vibration, axial displacement, eccentricity, differential expansion, and speed monitoring.
  • 3500/70M Scenario: Pulse vibration and speed monitoring of reciprocating compressors.
  • 3500/72M Scenario: Piston rod position and average position monitoring of reciprocating compressors.
  • Special Operating Conditions: Industrial environments with explosion hazards, such as oil, natural gas, and chemical industries.
Description
The Bently Nevada 135489-01 module is a specialized I/O device designed for integration with 3500/42M Proximitor/Seismic Monitors, 3500/70M Recip Impulse/Velocity Monitors, and 3500/72M Recip Rod Drop Monitors. Unlike standard 3500/42M or 3500/70M I/O modules, the 135489-01 incorporates internal safety barriers and internal terminations, providing robust protection between hazardous and safe field wiring without requiring external barriers. This internal configuration simplifies cabinet installation while maintaining compliance with safety standards.

This I/O module supports four input channels with a maximum voltage of 250 V and ensures high measurement fidelity with temperature accuracy of ±1 °C at 25 °C and ±15 °C across the full operating range. Its phase accuracy reaches -11° at 10 kHz, offering precise vibration, displacement, and velocity signal acquisition, which is critical for accurate monitoring in 3500/42M, 3500/70M, and 3500/72M applications. This contrasts with legacy 3500/42M modules, which may require external barriers for equivalent isolation, adding complexity to panel or cabinet layouts.

In terms of physical installation, 135489-01 adds approximately 50 mm (2 in) to the rack depth to maintain safe separation between safe and hazardous wiring. While a standard 3500/42M or 3500/70M rack without internal barriers fits compact cabinets, the internal barrier design of 135489-01 ensures optimal safety and allows installation in 600 mm cabinets and 3500/06 Weatherproof Housings. The bulkhead rack version is also available for applications where 400 mm cabinets are used.

The module is designed for harsh industrial environments, operating from 0 °C to +65 °C and storing safely from -40 °C to +85 °C with 95% non-condensing humidity tolerance. Its internal termination design simplifies wiring management compared to traditional 3500/72M modules and supports efficient routing of hazardous and safe area connectors, reducing installation errors and enhancing reliability for critical monitoring applications.

In summary, Bently Nevada 135489-01 distinguishes itself from similar 3500-series modules by combining internal barriers, precise signal measurement, and optimized cabinet installation flexibility. It provides a safer, more streamlined solution for industrial monitoring systems using 3500/42M, 3500/70M, and 3500/72M sensors, offering a clear advantage over modules requiring external safety barriers.
Alternative Names
135489-02 135489-03 135489-04 138708-01 138708-02
Technical notes
Bently Nevada 135489-01 I/O Module with Internal Barrier provides Um 250 V and features 4 input channels with temperature accuracy ±1 °C at +25 °C and ±15 °C over operating temperature, while maintaining phase accuracy of -11° at 10 kHz. The 135489-01 operates within a temperature range of 0 °C to +65 °C (+32 °F to +150 °F) and storage conditions from -40 °C to +85 °C (-40 °F to +185 °F), with humidity tolerance of 95% non-condensing. Bently Nevada 135489-01 is structured as a 4-channel I/O module with internal barrier design and defined measurement stability under specified environmental and electrical conditions.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the main function of the Bently Nevada 135489-01 module?
It provides 4-channel input monitoring for 3500/42M, 3500/70M, and 3500/72M systems with internal safety barriers and terminations.
Which 3500-series monitors is the 135489-01 compatible with?
It is designed for 3500/42M, 3500/70M, and 3500/72M modules, supporting displacement, seismic, velocity, and rod drop monitoring.
What installation guidance is recommended for safe and hazardous wiring?
Hazardous area wiring should be routed above the 3500 rack, and safe area wiring below, maintaining a 50 mm separation for compliance and safety.
How does the module fit into cabinets compared to other 3500-series modules?
The internal barriers add 50 mm depth, so while it fits comfortably in 600 mm cabinets and 3500/06 Weatherproof Housings, it requires careful planning for 400 mm cabinets unless the bulkhead version is used.

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