83-11Robotics and Sensors
Advantages: Faster response time than CHS, near linear voltage output, high accuracy, small size, low
co
st,
a
nd
w
ide
R
H
r
ange
.
Di
sadvantages:
Lo
wer
op
erating
te
mperature
wh
en
co
mpared
to CH
S,
se
nsitive
to ch
emical
va
pors,
lo
w
tol
erance
a
gainst
c
ontaminants,
a
nd
l
ow
c
ondensation
to
lerance
.
83
.5.3.3
T
he
rmal Conductivity Humidity Sensors
Thermal
co
nductivity
hu
midity
se
nsors
(T
CHS)
me
asure
th
e
ab
solute
hu
midity
by qu
antifying
the difference between the thermal conductivity of dry air and that of air containing water vapors.
Th
ese
se
nsors
ar
e
su
itable
fo
r
ap
plications
su
ch
as ki
lns
fo
r
dr
ying
wo
od;
ma
chinery
fo
r
dr
ying
te
xtiles,
pa
per,
an
d
ch
emical
so
lids;
ph
armaceutical
pr
oduction;
co
oking;
an
d
fo
od
de
hydration
.
TC
HS
c