GE Bently Nevada TK-3 Proximity System Test Kit
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GE Bently Nevada

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  • Light weight and portable
  • Maintenance-free electric drive powered
  • Industrial-strength case dramatically improves durability and better protects the precision devices inside
  • Detachable spindle micrometer with magnetic base
    • Allows users to carry only the micrometer to the probe location rather than the entire test kit
  • Universal probe mount accommodates probe diameters from 5 to 19mm
    • Eliminating the need for multiple adapter collars

The GE Bently Nevada TK-3 Proximity System Test Kit simulates shaft vibration and position for calibrating Bently Nevada monitors. In addition to verifying the operating condition of monitor readouts, the TK-3 is also used for both static and dynamic verification of proximity probes. A properly calibrated system ensures that the transducer inputs and the resulting monitor readings are accurate.

The system uses a removable spindle micrometer assembly to check the transducer system and position monitor calibration. This assembly features a universal probe mount that will accommodate probe diameters from 5 mm to 19 mm (0.197 to 0.75 in). The mount holds the probe while the user moves the target toward or away from the probe tip in calibrated increments and records the output from the Proximitor Sensor using a voltmeter. The spindle micrometer assembly also features a convenient magnetic base for ease of use in the field.

Vibration monitors are calibrated using the motor-driven wobble plate. A swing-arm assembly located over the wobble plate holds the proximity probe in place. This assembly uses a universal probe mount, identical to that used with the spindle micrometer assembly. By using the absolute scale factor of the proximity probe in conjunction with a multimeter, the user adjusts the probe to find a position where the desired amount of mechanical vibration (as determined by peak-to-peak DC voltage output) is present. No oscilloscope is needed. The user can then compare a vibration monitor's reading to the known mechanical vibration signal input viewed by the proximity probe. The mechanical vibration signal from the TK-3 can range from 50 to 254 μm (2 to 10 mils) peak-to-peak.

GE Bently Nevada Technical Training
Training and consulting for applications involving all facets of power generation, mechanical drives, and petro-chemical industries
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This product can be used in the following applications: