Instrumentation Reference Book, 4th Edition

F

Fabry–Perot sensor cavity,

197 , 198 , 210–212

Fade margin,

255

Fahrenheit temperature scale,

273–274

Fail-dangerous errors,

765 , 767

Fail-safe error,

765 , 767

Fail-safe features of railway signaling,

775

Fail-safe systems, designing,

765–766

Failure

intensities,

769

modes,

743

probability,

741 , 756 , 758 , 773

types of,

765 , 779

Failure density function,

747

Failure effort and mode analysis (FEMA),

17

Failure rates

for aircraft controls,

774

by bathtub curve,

742

chemical plant,

783

component,

738 , 746

effect of operating voltage,

745

effect of temperature on,

743–744

variation with time,

742–743

dangerous,

777

probability of,

778

for transistors and capacitors,

757

Failure-tolerant systems,

771

Faradaic current,

333

Faraday-effect ...