Table Of Contents: 1. Qualities of Measurements 2. Indicators and Display Devices 3. Ammeters 4. Voltmeters and Multimeters 5. Digital Voltmeters 6. Digital Instruments 7. Oscilloscope 8. Signal Generators 9. Wave Analyzers and Harmonic Distortion 10. Measuring Instruments 11. Bridges 12. Recorders 13. Transducers 14. Signal Conditioning 15. Filters 16. Measurement Set-up 17. Data Acquisition System (DAS) 18. Data Transmission 19. Frequency Standards 20. Measurement of Power 21. Control Systems