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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
16-11Electric Current Sensors
Optical ber is made from materials that have much lower sensitivity than the magneto-optic crystals
us
ed
fo
r
bu
lk
se
nsors,
bu
t
th
eir
se
nsitivity
ca
n
be in
creased
by usi
ng
a hi
gher
nu
mber
of tu
rns
of th
e
b
er
wo
und
ar
ound
th
e
me
asured
co
nductor
. Fi
ber-optic
se
nsors
ar
e
sim
ple
de
vices;
th
ey
su
er
fr
om
th
e
s
purious
b
irefringence
i
nduced
i
n
b
ent
bers
[
29]
.
Co
mmercially
av
ailable
al
l-ber
cu
rrent
se
nsors
are ma
nufactured
by AB
B
si
nce
20
05
. e
se
de
vices
al
so
us
e
tw
o
ci
rcularly
po
larized
li
ght
wa
ves
tr
avelling
in th
e
sa
me
di
rection
. e pha
se
di
erence
ca
used
by th
e
ma
gnetic
e
ld
is me
asured
by th
e
in
terferometer
. i
s
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Publisher Resources

ISBN: 9781439848913