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BS 5995:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of test for electrohydraulic servovalves
Hardcopy , PDF
15-07-1998
English
28-11-1980
Foreword
Cooperating organizations
Methods of test
1 Scope
2 References
3 Symbols and units
4 Definitions
5 Standard test conditions
6 Test installation
7 Electrical tests
8 Steady-state tests
9 Dynamic tests
10 Endurance test
11 Pressure impulse test
12 Environmental tests
13 Presentation of test results
Appendices
A Typical plots
B Errors and classes of measurement
Tables
1 Symbols and units
2 Permissible systematic errors of measuring
instruments as determined during calibration
Figures
1 Steady-state test circuit
2 Frequency response test circuit
3 Transient response test circuit
4 Servovalve coil impedance test
5 Voltage vector diagram
6 Load pressure drop versus input current
7 No-load flow versus input current
8 Internal leakage versus input current
9 Control flow versus load pressure drop
10 Null bias versus supply pressure
11 Null bias versus return pressure
12 Null bias versus temperature
13 Frequency response
14 Transient response
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