2-9
Installation

FIGURE 2-9. Model444

Transmitter Housing

TemperatureRise.

FIGURE 2-10.Sensor

AssemblyDimensional

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)
815°C(1500°F)
OvenTemperature
OvenTemperature
250°C(48F)
OvenT
emperature
TransmitterHousing Temperature Rise
vs. Length for a Test Installation
E
Length in Inches
E
½–14 NPT Thread
BayonetSpring 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
ConnectionHead (Flat
Cover)with Union and
NippleExtension and
Thermowell
3.5
(89)
5.5
(140)
1.0
(25)
2.2
(56)
Sensor Installedin
Connection Head
(Extended Cover)
with Couplingand
Nipple Extension
Sensor Length (Ref.)
Nominal Fitting
Length V
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