f
l
I N S T R U T I O N S
l
f o r
u &e
o f
t
T a y l o r
3 4 3 5
l
.
N .
M a x i m u m - M i r t i m u m
!
*T h -e r m o m e t e r
F eat u res
o f
C o n st r u ct io n
D
l
Glass
bulb,
at
left
behind
bul b
guard,
is
f il i ed
with
a
l
iquid
whi
ex pands
or
co nt ra ct s
w it h
increase
o r
d ecrease
of
&em perat ure
Co n nect ing
U-t ub e
(D
)
,
c@nt ains
the
mercury
column
and
part
of
j he
ex panding
l iquid,
while
the
ex pan-
sion
chamber,
at
right
behind
bulb
gua rd,
akes
care
of
the
iacrease
and
decrease
$
of
v o lu m e
ca used
by
t h e
ex pa nsio n
a nd
cq'nt r a ct ion
of
t h e
l
iq u id
in
t h e
bu lb
a nd
U -t u b e
( U ) .
l n
th e
l eft-hand
bo re
o f
th e
U -t ub e
( t )
is
th e
m in im um
ind ex,
(V ),
w h ile
i n
t h e
r igh t -h a n d
bo r e
i s
t h e
m a x i m u m
in d ex
t D ).
^ ^];
--
T o
read
t em peratu re
regist ered
by
eith er?i ndex,-refer
to
bo tto m
of
edge
of
i ndex .
T o
read
tem eerature
as
ind icated
by
:
eithte_r
mercu ry
colu m nf,
refer
tb
the
m e n i sc u s.
o r
t o p
o f
c o l u m n .
-: ^
s
H o w
it
O p e rat es
-^
, t
Ob serv e
left
scal e
fo r
lo w
temp eratu re
re&$i ng
ii i id
righ t
sca le
foa
h igh
tem per-
a t u r e
r e ad i n g .
t
^
A s
temperat ure
sur rounding
the
glase
bulb,
behi nd
bulb
guard,
i ncreases,
t he
l iq u id
t h ere in
ex p and s,
f orci ng
t he
mercu rv
co lu m n
d o wn
o ri
t h e
lef,t &$id e "o f
the
v -tube
(U),
and
up
on
t he
right
side
f th
e"tube;^carrv i ng .wii h
it.,thd
max i-
rj
mu m
ind ex
(D ).
A s
t he
t em perat ure
surR u hd ing
t h e
b u lb
d ecreases.
t hg
liq u id
r i Se .
ca r r y i n g
w i t h
i t
t h e
m i n i m u m
i nd e x + V ) .
e
m a x i m u m
i n d e x
( D )
r e na a rn
th e r e i n
c o n t r a ct s ,
ca u s i n g
t h e
m e r c u r y
c o lu r ri n
-
t h e
l ef t
s id e
o f
t h e
U -t o b e
t
+
at
t he
h ighest
grad uatio n
ind icated
d uri
^a:
tem perat ure
increase,
wh ile
th e
l
m in imu m
ind ex
(V )
remain s
at
th e
low est
gX
uatio n
ind icated
d uring
a
t em
ra-
r
l
t u re
d e c r e a s e .
U
R e set t in g
t h e
l n d ices
T o
r e set ,
pla ce
t h e
c er a m ic
m a g n et
(4 )
a c r o ss
t h e
U -t u b e
( U
)
i n ^h o r iz o n t ai a o sit io n
a s
i l l u st ra t e d ,
a n d
d r a w
d o w n w a rd
sl o w l y ^
u n t i l
t h e
i n d i c e s
co m e
to
r e st
g e n t l y
o n
t h e
t o p s
o f
t h e
m e r cu ry
co l u m n s.
'
.q
( ' o w )
s e l f -R e g i s t e r i n g D
" t
M a gn et
T h e
sp ec i a l
c e ra m i c
m a g n et
(4 )
su p p l i e d
w i t h
t h e
T h e r m cj m e t a r
i s
p o c k e t
p ro v i d ed
(3 ) .
b4e p t
i n
t h e
d -
T o
U n it e
M e rcu r y
Co lu m n s
e
3 h i p p i n g
o r
se v e r e
v i b r a t i o n
m a y
c a u se
sp a ra t io n s
i n
t h e
m e rc u ry
^c@l u m n
o n
e i t h e r
si d e
o f
t h e
t h er m o m e t e r .
A i r
b u b b l es
m a y
b e
f o r m e d
i n
t h e
h e at
s id e
o f
t h e
t h e r m o m et e r .
T h e se
ca n
u su a l ly
t,e
r ea d i !y
co r r e ct ed
b y
t h e
f o ll @w i n g -
U
G rasp ing
th e
th ermo meter
at
the
several
d o w nw ard
sw i ngs,
at
a
to p, g ive
m o d e r at e
f o r ce ,
u n t i l
t h e
m e r c u r y
c o l u m n
i s
u n i t ed
o n
b o t h
si d es.
E x c ess iv e
f o r c e
i n
t h e
d o w n w a rd
sw i ng
m a y
d i sp l a c e
t h e
m e r cu r y
i n
t h e
b o r e, , ca u si n g
i n a c cu r at e
r ea d i n g s.
V
W h i l e
th e
p r o ce d u r e
i n
st ep
o n e
m a y
e l i m i n a t e
m e
o f
t h e
a ir
b u b b l e s,
i t
i s
u su a l l y
n e c e ssa ry
t o
i m m er se
t h e
t h e r i n o m et e r
co m p l e t e ly
a t .
a b o u t
l Df
fF .
T h i s
ca uses
t he
co lu m n
t o
ex pa nd
up w a !d
o n
t he
hea t
sid e,
d r iv ai tt
t h
e
a ir
b u b b l es
i n t o
t h e
t ip .
l t
i s
n o t
r e co m nae n d e d
t h at
t h e . i h e r m o m e t e r b e
c o m -
plet ely
im m er sed
a b ov e
U
D3 fF .
lf
t hi s
is
insuf f icient
t o
r e m ov e
t be
a ir ,
a
h ighe r
t e m i>e r at u r e
m a y
b e
u sed .
if
e* t r e m e
c a r e
is
e x e r c is ed .
b y
i^m m e r si n g
on ly
t he
t op ,
i nclu d ing
t he
bu lb
and
-;l ip,
anq
w.at ch ing
t o
see
t hat
t he
t ip
d o es
n o t
f i l l
c l o s er
t h a n
D / U i "
f ro m
t h e
t o p .
^
l
T o
R e l e a s e
l n d i c e s
-i
l f
eit h er
i nd ex
set t les
int o
it s
m er cur y
cCl um n,
f oll ow
t h e^
a bo v e
i nSt r uct io ns .
A fter
th e
f irst
few
swings.
u se
t he
magnet
to
th e
index
out
of
t he
m ercu ry .
* raw
l f
in d ex
( D)
ha s
b ee n
f o r c ed
in t o
t h e
ex ia n s io n
c ha m b er ,
a t
r igh t
b eh in d
bu lb
g u a r d ,
m a n i p u la t e
i t
b y
t a p p i n g
g e n t l y
a n fl
u si ng
t h e
m a g n et
t o
r et u r n
i t
t o
t h e
b o r e
o f
t h e
t u b e .
/
.
S Y B R O N
r a y lo r
T A Y L O R
l N S T R U M E N T
.
a
C O N S U M E R ^ l N D U S T R l A L
P
O D U C T S
S Y B R O N
C O R i O R AT l O N
o
A R D E N .
N .
C .
V5 af 4
b
A D f 4 D
R UU/aCit Print ed i n
U.S.A
l
>
! r
-
