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2-9
Installation
FIGURE 2-9. Model 444
Transmitter Housing
Temperature Rise.
FIGURE 2-10. Sensor
Assembly Dimensional
Drawings.
HOUSING
RISE
ABOVE
AMBIENT
°C (°F)
3044-0123A
3 4 5 6 7 8 9
0
60
(108)
50
(90)
40
(72)
30
(54)
20
(36)
10
(18)
3.6
22
540
°
C
(
1000
°
F
)
8
1
5
°
C
(
1
5
0
0
°
F
)
O
v
e
n
T
e
m
p
e
r
a
tu
r
e
O
v
e
n
T
e
m
pe
r
a
t
ur
e
25
0
°
C
(
4
8
2°
F)
O
v
e
nT
e
mp
e
r
a
t
u
r
e
Transmitter Housing Temperature Rise
vs. Length for a Test Installation
E
Length in Inches
E
½–14 NPT Thread
Bayonet Spring Loaded Sensor
Connection Head with Extended Cover
0.25
(6)
¾–14 NPT
on Thermowell
Spring Loaded Sensor
Connection Head with
Flat Cover
¾–14 NPT
Chain
Sensor Installed in
Connection Head(Flat
Cover) with Union and
Nipple Extension and
Thermowell
3.5
(89)
5.5
(140)
1.0
(25)
2.2
(56)
Sensor Installed in
Connection Head
(Extended Cover)
with Coupling and
Nipple Extension
Sensor Length (Ref.)
Nominal Fitting
Length
⅜
E
NOTE
Dimensions are in inches (millimeters).
0.53 (13) Max.
Thread
Engagement
Sensors-0000A06A
(1)
+ 1.75 (44)
(1)
= 0.0 on Standard Assembly Thermowells
T
T
X
L
U