Industrial Thermocouples
Protection Head Design
Available as
U Sheath Materials:
304SS, 310SS, 316SS,
321SS, Inconel® or
Super OMEGACLAD® XL
U Probe Length 300
mm (12"), 600 mm
(24")
Custom Lengths
Available, Consult Sales
Probe length
includes
approximately
12.5 mm (1⁄2")
allowance for
threads.
76 mm (3.0")
83 mm
92 mm
(3.63")
(3.25")
NB1, Cast Iron NB2, Aluminum
104 mm (4.1")
48 mm (1.9")
57 mm (2.25")
Note: All industrial
heads shown are
available for
purchase
separately. Please
visit omega.com
Available!
Probes with
Built-In Transmitters!
Please visit
omega.com
Length
1
⁄2 NPT
mounting
threads
(3.3")
83 mm
25 mm
(1")
NB3, Aluminum
with Snap-Lock
53 mm
(2.1")
15 mm
(0.6")
NB4, Sub-Miniature
Aluminum
260S Series
For a complete selection of thermowells in both Standard
and Metric dimensions, please visit omega.com
Complete your application
with OMEGA’s extension wire.
Please visit omega.com
260HL Series
A-131
New and Improved
Protection Heads
Industrial Thermocouple Probes
C
Available!
H
Domed
Top
1
⁄2 NPT
mounting
threads.
Probes with
Built-in Transmitters!
Please visit omega.com
Cast Iron
Material: Cast iron
Weight: 1.6 kg (3.5 lb)
Dimensions:
H=95 mm (3.8")
C=86 mm (3.4")
NB5
Available as
A
Probe length
includes approx
1
⁄2" allowance
for threads.
Ordering Example:
NB8-ICSS-18U-12,
a 300 mm (12")
ungrounded ICSS
Type J stainless
steel thermocouple,
3 mm (1⁄8") sheath
diameter probe
with an NB8 protection
head.
Deep Base
NB6
Material: Alloy-Aluminum
Weight: 250 g (8.8 oz)
Dimensions:
H=82 mm (3.2")
C=82 mm (3.2")
NB8
Material:
Alloy-Aluminum
Weight:
230 g (8 oz)
Dimensions:
H=86 mm (3.4")
C=70 mm (2.8")
Flip Top
NB7
Material: Alloy-Aluminum
Weight: 250 g (8.8 oz)
Dimensions:
H=93 mm (3.7")
C=76 mm (3")
A-132