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Instrumentation Reference Book, 4th Edition by Walt Boyes

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E
Earth leakage circuit breaker (ELCB),
791 , 792
Earthing.
Eddy-current damping,
445
Eddy-current testing,
570–571 , 589
Eductor or aspirator type pumps,
666
Effective radiated power (ERP),
258
Elastic elements,
129
Electret microphones,
600
Electric induction,
802–803
Electrical capacitance sensors,
86–87
Electrical conductivity
of liquids,
364–365
measurement
alternating current cells with contact electrodes,
365–367
applications of,
372–375
direct measurement method,
369 , 370
electrodeless method,
371
multiple-electrode cells,
369–370
temperature compensation,
370–371
Wheatstone bridge method,
369
of pure water,
372
of solutions,
365
Electrical conductivity cells,
365
calibration of,
367
cell constant,
366
cleaning and maintenance ...

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