Instrumentation Reference Book, 4th Edition

E

Earth leakage circuit breaker (ELCB),

791 , 792

Earthing.

see Grounding

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 ...