ASA S2.2 1959 R2016
$91.54
ANSI/ASA S2.2-1959 (R2016) American National Standard Methods for the Calibration of Shock and Vibration Pickups
| Published By | Publication Date | Number of Pages |
| ASA | 1959 | 39 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Introduction 1. Purpose and Scope 1. 1 Purpose 1.2 Scope 1.3 Present and :Future Choices of llethods 1.4 Related Standards |
| 7 | 2. I)efinitions 2.1 Letter Symbols 2.2 Pickup |
| 8 | 2.3 Input 2.4 Output 2.5 Sensitivity, Amplitude Sensitivity, Phase Lag 2.6 Amplitude Distortion, Frequency Distortion, Proportional Phase Lag, Phase Distortion |
| 9 | 2.7 Calibration Factor 2.8 Transverse Sensitivity Ratio 2.9 Exciter 2.10 Damping Ratio 2.11 Undamped Xatural Frequency 2.12 Damped ~atural 1”requency 2.13 Resouant J,’requency 3. Characteristics to be Measured 3.1 General 3.2 Direct Response |
| 10 | 3.:3 Response to Motion in Other Directions and About Other Axes 3.4 Damping Ratio and Undamped Xatural Frequency Figures Fig. 1 Response of Idealized Linear Acceleration Pickup |
| 11 | Fig. 2 Response of Idealized Linear Displacement or Velocity Pickup Fig. 3 Phase Lag of Idealized Linear Pickup |
| 12 | 3.5 Xonlinearity 4. Standard Calibration Methods Fig. 4 Response of Idealized Linear Pickup to & Sudden Impulse |
| 13 | 4.1 Tabulation of Staodard Methods 4.2 Tilting Support Calibrat-or Table 1 :Estimated Ranges and Errors of Standard Methods |
| 14 | 4.3 Centrifuge Calibrator Fig. 5 Tilting Support for Static Calibration of Acceleration Pickups |
| 15 | 4.4 Rectilinear Electrodynamic Vibration Pickup Calibrator Fig. 6 Schematic Cross-aectional View of Rectilinear Electrodynamic Vibration Pickup Calibrator |
| 16 | 4.4.l Sensitivity of Electrodynamic Calibrator I)eterrnined by Reciprocity Method |
| 17 | 4.4.2 Calibration of Vibration Pickups on Calibrator, General lletho<l |
| 18 | 4.5 Physical Pendulum Calibrator Fig. 7 Circuit for Calibration by Method A |
| 19 | Fig. 8 Pendulum Calibrator |
| 20 | 4.6 Ballistic Pendulum Calibrator Fig. 9 Recorded Output of Pickup on Physical Pendulum Calibrator Fig. 10 Calibration of Pickup A on Ballistic Pendulum Calibrator |
| 21 | Fig. 11 Simple RC Network for Integrating Pickup Output Fig. 12 Compariaon Method for Calibrating Pickup 2 Against Calibrated Pickup l |
| 23 | 5. Calibration by Comparison with Calibrated Pickup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2’2 Appendix A 1. Survey of Other Calibration ::Iethods Al.I Static Calibration Methods Al.1.1 Static Load llethod Al.2 Dynamic Calibration by Sinusoidal Excitation Fig. Al Vibrating Wedge |
| 24 | Al.2.1 Rectilinear Vibration Exciter |
| 25 | Al.2.2 Angular Vibration Exciter Fig. A2 Rectilinear Vibration Pickup Calibrator with Piezoelectric Drive |
| 26 | -~l.2.3 TIited Centrifuge Al.2.4 Dual Centrifuge Al.2.5 Resonant Beam Vibrator Fig. A3 Dual Centrifuge |
| 27 | Al.2.6 Acoustical Cavity Method Al.2.i Condenser Microphone llethod Fig. A4 Resona.nt Beam Vibrator |
| 28 | A 1.3 Dynamic Calibration by Transient Excitation Al.3.1 Free-Fall Test Fig. A5 Impact Load Acting on Maas and Displacement of Mass of Linear Mass-Spring System, with Natural Period T |
| 29 | Al.3.2 Pulse Calibrator • .1.3.3 Air Gun Al.3.4 Shock Test Applying Measured Impact AcceJeration Fig. A6 Typical Oscillograph Record from Free-Fall Test of Velocity Pickup Fig. A7 Shock Teat Applying Measured Impact Acceleration |
| 30 | Al.3.5 Hydraulic Shock Test Al.3.6 Impact Drop Test Al.3. 7 Elastic Pulses in Long Bars A2. Theory of Reciprocity Method for Linear ElectromechanicaJ Pickups |
| 32 | A3. Reciprocity Method for Electrodynamic Calibrators A3.1 Theory |
| 34 | A3.2 Measureinents Fig. A8 Circuits and Polygons for Making Transfer Admittance Measurements on Electrodynamic Calibrator and Pickups |
| 35 | A3.2. l Transfer Admittance !feasurements A3.2.2 Voltage Ratio Measurements |
| 36 | Fig. A9 Circuits and Polygons for Making Voltage Ratio Measurements on Electrodynamic Calibrator |
| 37 | References |
