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The TK81 (Part Number: 80466-02) is a portable diagnostic tunable filter designed by Bently Nevada 3500 Machinery Protection System for advanced vibration analysis in rotating machinery. This handheld instrument allows field engineers to isolate specific frequency components,...
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The TK81 (Part Number: 80466-02) is a portable diagnostic tunable filter designed by Bently Nevada 3500 Machinery Protection System for advanced vibration analysis in rotating machinery. This handheld instrument allows field engineers to isolate specific frequency components, enabling precise identification of mechanical faults such as rotor unbalance, shaft misalignment, or bearing degradation.
With a refined tunable filter, the TK81 effectively suppresses ambient industrial noise, providing a clear view of critical machine signatures. Its compact form factor, buffered signal outputs, and easy-to-read LCD make it an essential tool for proactive condition monitoring and diagnostic troubleshooting in complex industrial environments.
| Specification | Details |
|---|---|
| Model Identification | TK81 |
| Part Number | 80466-02 |
| Manufacturer | Bently Nevada |
| Instrument Function | Portable Tunable Filter & Vibration Measurement |
| Input Impedance | 95 kΩ (compatible with standard vibration transducers) |
| Frequency Range | Tunable across broad machinery spectrums |
| Calibration | 30 Hz internal reference signal |
| Measurement Modes | Displacement, Velocity, Acceleration |
| Display | 4-line × 16-character backlit LCD |
| Signal Output | Buffered output for external oscilloscopes/analyzers |
| Power Requirement | 220V AC (with internal battery support) |
| Physical Weight | 1.0 kg |
The TK81 is designed for predictive maintenance programs, allowing engineers to perform on-the-spot verification of machine health. By analyzing spectral patterns against baseline performance, users can pinpoint developing faults and plan targeted corrective maintenance. The buffered outputs enable connection to secondary acquisition systems for detailed post-processing and trend analysis of vibration data.
Q: Can the TK81 be used with different types of sensors?
A: Yes. With an input impedance of 95 kΩ, the TK81 is compatible with a wide range of standard industrial vibration transducers.
Q: Does this meter support real-time data logging?
A: The TK81 is primarily designed for live vibration analysis. For extended data logging, the buffered output can be connected to external digital recorders or spectrum analyzers for continuous data capture.
