Bently Nevada 3500/45 140072-04
Bently Nevada 3500/45 140072-04
Bently Nevada 3500/45 140072-04
Bently Nevada 3500/45 140072-04
Bently Nevada 3500/45 140072-04
Bently Nevada 3500/45 140072-04
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3500/45 140072-04

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The Bently Nevada 3500/45 140072-04 Position Monitor is a high-precision 4-channel instrument for monitoring axial, valve, and case positions using LVDTs, proximity transducers, RPTs, and rotary potentiometers.
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Technical specifications for 3500/45 140072-04

  • Manufacturer:
    Bently Nevada
  • Part Number:
    3500/45 140072-04
  • Product Family:
    3500 System
  • Inputs Signal:
    Accepts from 1 to 4 signal inputs
  • Power consumption:
    7.7 watts, typical, using Position I/O; 8.5 watts typical, using AC LVDT I/O; 5.6 watts typical, using Rotary Potentiometer I/O.
  • Input Impedance:
    1 MΩ (DC LVDT inputs); 10 kΩ (Proximitor or RPT inputs); 137 kΩ (AC LVDT inputs); 200 kΩ (Rotary Potentiometer inputs)
  • OK LED:
    Indicates when the 3500/45 Position Monitor is operating properly.
  • Bypass LED:
    Indicates when the 3500/45 Position Monitor is in Bypass Mode.
  • Proximitor or RPT:
    -24 Vdc
  • DC LVDT:
    +15 Vdc
  • AC LVDT:
    2.3Vrms 3400Hz sine wave
  • Operating Temperature:
    When used with Internal/External Termination I/O Module:-30°C to +65°C (-22°F to +150°F)
  • Storage Temperature:
    -40°C to +85°C (-40°F to +185°F)
  • Humidity:
    95% Non-condensing
  • Weight:
    0.9 kg
  • Estimated shipping dimensions:
    24x25.5x2.5cm
  • 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 3500/45 140072-04 Position Monitor is a versatile 4-channel monitoring device designed to accept inputs from multiple transducer types, including proximity transducers, Rotary Position Transducers (RPTs), DC and AC LVDTs, and rotary potentiometers. Each channel conditions its input signal and compares the result against user-programmable alarm setpoints, providing critical information for machinery protection and operational monitoring.

Each input type has specific power and signal requirements: Proximitor or RPT uses -24 Vdc, DC LVDT requires +15 Vdc, AC LVDT operates at 2.3 Vrms 3400 Hz sine wave, and rotary potentiometers use -12.38 Vdc. The monitor’s input impedance varies depending on input type, ranging from 10 kΩ for Proximitor/RPT inputs to 1 MΩ for DC LVDTs. Power consumption depends on the input type: typically 7.7 W for Position I/O, 8.5 W for AC LVDT I/O, and 5.6 W for Rotary Potentiometer I/O.

The 3500/45 allows flexible configuration using the 3500 Rack Configuration Software to monitor axial (thrust) position, differential expansion, valve position, case expansion, and other differential expansion modes. Channels can generate measured variables, for which alert and danger setpoints can be established to trigger alarms, ensuring continuous machinery protection and providing operators and maintenance personnel with essential real-time information.

The monitor is designed to operate in harsh industrial environments with an operating temperature of -30°C to +65°C when used with Internal/External Termination I/O Modules, storage temperature of -40°C to +85°C, and 95% non-condensing humidity. The front panel LEDs indicate operational status (OK LED), communication (TX/RX LED), and bypass mode (Bypass LED) for easy visual monitoring.
Alternative Names
35OO/45 14OO72-O4 3500/45 I40072-04 3500/45 14007Z-04 3500 45 140072 04 350045 14007204 3500-45 140072-04
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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 types of inputs does the 3500/45 accept?
It accepts 1 to 4 channels from proximity transducers, RPTs, DC LVDTs, AC LVDTs, and rotary potentiometers.
What is the 3500/45 140072-04 typical power consumption?
Typical power consumption is 7.7 W for Position I/O, 8.5 W for AC LVDT I/O, and 5.6 W for Rotary Potentiometer I/O.
What input voltage does it require for DC LVDTs?
DC LVDTs require +15 Vdc.
Is the Bently Nevada 3500/45 140072-04 a brand new product?
Yes, all products sold by Apter Power are brand new and factory tested.
What is the 3500/45 140072-04 operating temperature range?
The operating temperature is -30°C to +65°C (-22°F to +150°F) with the Internal/External Termination I/O Module.