TB2 Thermocouple Catalog Page

Compression Type Thermocouples
(Series TB2)

Ordering Information

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Sheath Diameter
Bend Type
5 6
Sheath Length
Lead Wire Material
Lead Wire Length
Termination Style
Special Features
Attached Fitting
13 14
Insertion Length

2 Calibration
J Type J
K Type K
T Type T
E Type E

3 Sheath Diameter
G 0.118" (3mm)
H 0.125" (3.2mm) (1/8")
J 0.156" (4mm)
L 0.188" (4.8mm) (3/16") (standard)
S 0.195" (5mm)
M 0.236" (6mm)
N 0.250" (6.4mm) (1/4")
P 0.314" (8mm) (5/16")
Q 0.375" (9.5mm) (3/8")
  Sizes for reference only (Standard tolerances apply)

4 Bend Type
X Straight (standard)
Y 90 Degree bend
Z 45 Degree bend

5 6 Sheath Length

7 Junction
G Grounded (standard)
U Ungrounded
W Grounded (Dual Junction)
Y Ungrounded Common (Dual)

8 Lead Wire Material
A Fiberglass (800°F)
B Fluoropolymer (400°F)
C Polyimide (500°F)
E High temperature fiberglass (1200°F)
F Fiberglass with stainless steel braid (800°F) (standard)
G Fluoropolymer with stainless steel braid (400°F)
H Fiberglass with armor cable (800°F) (standard)
J Fluoropolymer with armor cable (400°F)
K Polyimide with armor cable (500°F)
L High temperature fiberglass with armor cable (1200°F)
M Fiberglass with stainless steel braid with armor cable (800°F)
W Fluoropolymer with stainless steel braid with armor cable (400°F)
Y Fluoropolymer with stainless steel braid with Fluoropolymer outer jacket (400°F)
  Wire gauge determined by ECS based on sheath diameter

9 Lead Wire Length
  Over 999" contact factory

10 Termination Style
A 2" stripped leads (bare ends)
B 2" stripped leads w/ spade lugs
C Standard male plug (400°F)
D High temp male plug (660°F)
E Max temp male plug (800°F)
F Ceramic male plug (1200°F)
G Solid pin plug
H Standard female jack (400°F)
J Miniature plug (400°F)
K Miniature jack (400°F)
L 2" stripped leads w/ #6 Ring terminals
N Standard 3 pin plug w/ ground wire (400°F)
P Dual molded male plug (400°F)
W 2” stripped leads w/ pin terminals
Q 2” stripped leads w/ wire ferrules


Extra long lead wire length (beyond 2” stripped leads)

11 Special Features
01 Solid conductor (Lead wire)
02 1.5" long strain relief spring
03 1.5" long heat shrink where wire exits the probe
04 Flat tip probe
05 Drill point tip
06 Epoxy seal
07 Cable Clamp
08 Bx Connector
09 Mating connector
11 International IEC 584-3 color coded leads
12 British color coded leads
13 German color coded leads
14 Japanese color coded leads
15 Reverse polarity color coded leads
16 French color coded leads
18 Moisture protection boot on connector
21 Fluoropolymer coated armor cable
24 Fluoropolymer covered probe
25 Free spinning fitting (held on probe by a crimp ring)
27 Transition fitting on tube & wire sensor

12 Attached Fitting (optional)
F01 1/8" npt single thread
F02 1/4" npt single thread
F03 3/8" npt single thread
F04 1/2" npt single thread
F05 3/4" npt single thread
F06 1/2" npt x 1/2" npt double thread
F07 1/2" npt double thread. Spring loaded
F08 1/2" npt x 1/2" npt double thread. Spring loaded w/ oil seal
F09 1/2" npt x 3/4" npt double thread
F10 3/4" npt x 3/4" npt double thread
F16 Adjustable 7/16" ID bayonet cap fitting (1/8" OD & 3mm OD)
F17 Adjustable 12.5mm ID double slot bayonet cap fitting (1/8" OD & 3mm OD)
F18 1/8" npt compression fitting (Brass)
F19 1/8" npt compression fitting (Stainless Steel)
F20 1/4" npt compression fitting (Brass)
F21 1/4" npt compression fitting (Stainless Steel)
F26 1/4" npt double thread
  For other fittings not shown contact factory

13 14 Insertion Length (when required)
  • Dual junction only available in diameters 0.156" and larger