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3500/44M 176449-03

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The Bently Nevada 3500/44M 176449-03 is a 4-channel aeroderivative gas turbine vibration monitor, designed to interface with Velomitors, accelerometers, and proximity sensors for continuous machinery protection and operational insight.
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Technical specifications for 3500/44M 176449-03

  • Manufacturer:
    Bently Nevada
  • Part Number:
    3500/44M 176449-03
  • Product Family:
    3500 System
  • Inputs Signal:
    Accepts 1 to 4 signals from interface modules (part numbers 86517 and 86497), velomitors and accelerometers.
  • Power consumption:
    7.7 Watts, typical.
  • Aero GT I/O:
    Greater than 95 kΩ (Proximitor and acceleration inputs)
  • Prox/Velom I/O and Multimode Prox/Velom I/O:
    10 kΩ for Prox/Accel 3.5 MΩ for Velomitor
  • OK LED:
    Indicates when the 3500/44M Aeroderivitive GT Vibration Monitor is operating properly.
  • Output Impedance:
    550 Ω
  • Transducer Power Supply:
    23 Vdc nominal at 43 mA max
  • Weight:
    0.82 kg
  • Estimated shipping dimensions:
    2.5x25.2x24cm
  • Tariff Code:
    8537101190
  • 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.
Description
The Bently Nevada 3500/44M 176449-03 Aeroderivative GT Vibration Monitor is a high-performance 4-channel instrument engineered for aeroderivative gas turbine applications. It accepts 1 to 4 signals from Bently Nevada interface modules (part numbers 86517 and 86497), Velomitors, accelerometers, and proximity sensors. Each channel continuously conditions and monitors its input signals against user-configurable alarm setpoints, providing essential feedback for machinery protection and operational monitoring.

The monitor interfaces with sensors via Aero GT I/O modules (input impedance >95 kΩ for Proximitor and acceleration inputs) and Prox/Velom I/O or Multimode Prox/Velom I/O modules (10 kΩ for Proximitor/accelerometer and 3.5 MΩ for Velomitor inputs). Each channel delivers outputs with 550 Ω impedance, while the transducer power supply provides 23 Vdc nominal at 43 mA max. Power consumption is typically 7.7 W, and front-panel LEDs indicate operational status (OK LED), communication (TX/RX LED), and bypass mode (Bypass LED).

Using the 3500 Rack Configuration Software, each channel can be configured for signal integration, 1X vibration tracking, or band-pass vibration filtering. The monitor can accept two separate Keyphasor signals, allowing each channel pair to use a distinct tracking filter. Multimode channels support up to eight sets of alarm parameters, including alert and danger setpoints with alarm time delays. Machine mode changes can automatically switch the monitor to a specific alarm set via contacts on multimode I/O modules or through software commands over a communications gateway.

The 3500/44M is designed to provide continuous machinery protection and deliver critical operational data for maintenance and operations personnel. Its versatile configuration options, precise signal conditioning, and robust sensor interfacing ensure reliable vibration monitoring in aeroderivative gas turbine applications.
Alternative Names
35OO/44M 176449-O3 3500/44M I76449-03 3500/44M 17644g-03 3500 44M 176449 03 3500-44M 176449-03 350044M 17644903
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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 warranty period for Bently Nevada 3500/44M 176449-03?
Apter Power offers a 12-month warranty covering defects and performance issues.
How many input channels does it support?
It accepts 1 to 4 signals from interface modules, Velomitors, accelerometers, or proximity sensors.
What is the 3500/44M 176449-03 typical power consumption?
Typical power consumption is 7.7 Watts.
What transducer power supply does it provide?
The monitor provides 23 Vdc nominal at 43 mA max.