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4-138

4-138

Applications

Industrial Turbines
Turbine-Driven Machinery
Power Generators
Gas Pumping Systems

 

Features

Friction-free design for long life
Self-generated, high level, low impedance output
Operates to +700°F

 

Description

The friction-free moving elements in CEC’s 4-138 Vibration Transducers assure long life and reliability. Designed for industrial applications on fixed turbines, you can use this instrument in turbine hot sections where high temperatures cause problems with other transducers. The system is simplified due to the low impedence,high level output that can drive AC meters,recorders, and control electronics without using special amplifiers.
The frictionless design also allows measurement of extremely low vibration levels,critical when monitoring precision balanced turbine systems. The low level is limited only by system noise.
The 4-138 is a seismic mass type velocity transducer designed for measuring vertical vibrations at low frequencies and high temperatures up to +700°F (+371°C). The output signal results from relative movement
between the internal coil and magnet when the case vibrates. This magnetic damped system operates above its natural frequency. The selfgenerated sensor output is proportional to velocity.

Please click on the link to download Document 

4-138

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Products List
  • Monitor System
    • CATS 8000
  • Vibration Transmitter
    • 1-808
    • 1-809
    • 1-828
    • 1-830
    • 4-162
    • VI-4684
    • MVT-20
    • MVS-20
  • Vibration Switch
    • 1-895 Electronic Switch
    • CTD-1010
    • VI-4686 Mechanical Switch
    • VI-4689
  • Charge Amplifiers
    • 1-320
    • 1-328
  • High Temperature Velocity Sensor
    • 4-118
    • 4-123
    • 4-125
    • 4-126
    • 4-128
    • 4-130
    • 4-131
    • 4-138
  • High Temperature Accelerometer
    • 4-170
    • 4-171
    • Accelerometer: 4-160-1001
    • 4-160-1201
    • 4-161
    • 4-202
  • Cable
  • Junction Box and Fitting
    • Conduit Elbow: KCE series, available for different thread
    • Adapter: FG series, available for different size
  • Portable Product
    • 2700, 1-517
    • VI-4688
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