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Watlow Style AB Cut & Stripped MI Thermocouple
Mineral Insulated - Dual Element

The Watlow Style AB Mineral Insulated Thermocouple temperature sensor "cut & stripped" style allows you to terminate the thermocouple yourself. The Style AB is simply a section of XACTPAK material, junctioned and stripped It is the most basic of all the mineral insulated thermocouple styles. Because it is constructed with XACTPAK mineral insulation, the thermocouple is protected from moisture, thermal shock, high temperatures and high pressure. The cold end is stripped and sealed with epoxy inhibiting moisture penetration.

Dual Element style - allows you to run two instruments off the same element, reducing costs.

Achieving specified temperature levels is critical to industrial processes. It's imperative that temperature sensors are designed and manufactured to exacting specifications for accuracy and reliability. Watlow is committed to providing you with the most accurate, high-integrity temperature measurement products possible. Watlow offers the greatest breadth of contact temperature measurement sensors and related components. Whatever your temperature sensing needs, Watlow can provide the optimum configuration, with the accuracy you require.

Performance Capabilities:

  • Watlow MI thermocouples easily handle temperatures up to 1200°C (2200°F).
  • They meet or exceed initial calibration tolerances per ASTM E 230.
  • Diameters as small as 0.010 in (0.25mm)
  • Flexiblity of the XACTPAK material allows you to bend the thermocouple without risk of cracking

To order a Watlow Style AB Dual Element Thermocouple build the desired 15-digit model part number using the ordering information form below.

Download Watlow Style AB Thermocouple Catalog Page (pdf)
Custom Ordering Information -
Watlow Style AB Dual Element Thermocouples
A B ___ 0 ___ 0 ___ ___ ___ ___ ___ ___ ___ ___ 0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
To order, make a selection in each category below, enter the quantity needed,
then click the "submit" button at the bottom of the page.
The part number and price will be displayed on the next page.
NOTE: Prices shown are for orders of 5 pieces or more.
There is a higher price for low quantity orders which is shown on next page.
1-2 Construction Style
AB = Mineral insulated cut & stripped thermocouple

3. Sheath Diameter (choose E, G, H or J)
Limited Availability - consult yellow chart below for availability with sheath material & calibration type.
E = 0.063 inch diamater
G = 0.125 inch diameter
H = 0.188 inch diameter
J = 0.250 inch diameter

4. Unused - Enter "0"
0 = None

5. Fittings (choose one)- please note sheath size availability
0 = None
A = Fixed single thread 1/8 NPT 303SS - sheath sizes 0.063 to 0.250
B = Fixed single thread 1/4 NPT 303SS - sheath sizes 0.125 to 0.250
D = Fixed single thread 1/2 NPT 303SS - sheath sizes 0.125 to 0.250
F = Fixed double thread 1/2 NPT 303SS - sheath sizes 0.125 to 0.250
G = Adjustable compression TFE Gland 1/8 NPT 303SS - sheath sizes 0.063 to 0.188
H = Adjustable spring loaded double threaded 1/2NPT 316SS - sheath size 0.250
J = Non-adjustable compression 1/8 NPT brass - sheath sizes 0.125 to 0.250
L = Non-adjustable compression 1/8 NPT 303SS - sheath sizes 0.063 to 0.250
Q = Adjustable compression Lava Gland 1/8 NPT 303SS - sheath sizes 0.063 to 0.188
V = Adjustable compression Lava Gland 1/4 NPT 303SS - sheath size 0.250
W = Bayonet lockcap and spring - plated steel - sheath sizes 0.125 to 0.188
X = Adjustable compression TFE Gland 1/4 NPT 303SS - sheath size 0.250
2 = Flat weld pad - 304SS - all sheath sizes
5 = Milled slot weld pad - 304SS - all sheath sizes

6. Unused - Enter "0"
0 = Unused

7. Sheath Material - Limited Availability - consult yellow chart below for availability with sheath diameter & calibration type.
A = 304SS
F = 316SS
Q = Alloy 600

8-9. Sheath Length "L" (in whole inches) - (enter two digits 00 to 99)
Tens - Ones

10. Sheath Length "L" (fractional inches) - (choose 0 or 4)
0 = 0
4 = 1/2

11. Junction Type (choose D, F, H, V or W)
D = Exposed Dual, Isolated
H = Grounded Dual, Common
W = Ungrounded Dual, Isolated

12. Calibration (choose E, J, K, N, T, 2, 3, 4 or 8)
Limited Availability - consult yellow chart below for availability with sheath diameter & sheath material.
E = Standard Limits Type E
J = Standard Limits Type J
K = Standard Limits Type K
T = Standard Limits Type T
2 = Special Limits Type E
3 = Special Limits Type J
4 = Special Limits Type K
8 = Special Limits Type T

13. Strip Length "S" (whole inches)
0 = 0 inches
1 = 1 inch
2 = 2 inches
3 = 3 inches

13. Strip Length "S" (fractional inches)
0 = 0
1 = 1/8
2 = 1/4
3 = 3/8
4 = 1/2
5 = 5/8
6 = 3/4
7 = 7/8
15. Special Requirements
0 = None

ENTER QUANTITY (Higher price applies for quantities less than 5 pieces)


Options 3, 7 & 12
Calibration & Sheath Availability

Sheath Diameter
Sheath
Material		 0.063
(E)		 0.125
(G)		 0.188
(H)		 0.250
(J)
304SS
(A)		 --
--		 J
3		 J
3		 J, K
3, 4
316SS
(F)		 --
--		 E, T
2, 8		 K, T
4, 8		 E, K, T
2, 4, 8
Alloy 600
(Q)		 K
4		 K
4		 K
4		 K
4
This page last modified on 1/16/2023
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