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Watlow Style 12 Adjustable Armor Thermocouples
Plastics Standard - Thousands Available in 1 Day
Watlow Style 12 Adjustable Armor Thermocouple temperature sensors fit a large range of hole depths. The Style 12 comes with stainless steel hose giving additional lead protection in demanding applications. They bend to almost any angle, to conform to many different mounting applications. The bayonet fitting on the thermocouple twist locks onto a bayonet adapter for easy installation and removal.

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 from stock 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.

FAST DELIVERY--Watlow’s “custom-tailored” stock program allows same or next day shipment on over 5,000,000 thermocouple variations. The program includes: 32 standard sheath lengths; lead lengths from 6 to 999 inches; stainless steel braid or hose protection; J, K, T, & E calibrations; grounded, ungrounded & exposed junctions; flat, rounded and drill point tips.

TERMINATION OPTIONS include: 2-1/2” split leads, spade lugs, 1/2” BX connector & space lugs, 1/4” & 3/16” push on female disconnect, standard size male & female TC plugs, miniature size male & female TC plugs. See chart below.

To order a Watlow Adjustable Armor Style Thermocouple build the desired 11-digit model part number using the ordering information form below.

Download Watlow Style 12 Thermocouple Catalog Page (pdf)
Custom Ordering Information -
Watlow Adjustable Armor Style Thermocouples
1 2 D ___ ___ ___ B ___ ___ ___ ___
1 2 3 4 5 6 7 8 9 10 11
Watlow Style 12 Thermocouple - Part Number Configurator
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 Price
12 = Adjustable armor thermocouple, standard cap $19.25

3. Sheath Diameter, 316 Stainless Steel
D = 3/16 inch NC

4. Calibration (choose J ,K, T or E)
J = Type J NC
K = Type K NC
T = Type T NC
E = Type E NC

5. Lead Protection (choose H, C, K or Y)
H = Fiberglass with stainless steel hose (24 gauge stranded) $2.54/12 in.
K = PFA with stainless steel hose (24 gauge stranded) $2.54/12 in.

6. Junction (choose F, G, D, U, P or R)
F = Grounded, flat tip $2.00
G = Grounded, round tip NC
D = Grounded, drill point $2.00
U = Ungrounded, round tip $3.05
P = Ungrounded, drill point $5.10
R = Ungrounded, flat tip $5.00

7. Sheath Length
B = 1 inch NC

8-10. Lead Length (whole inches) (enter 6 to 360)
Inches see Item #5

11. Terminations/Options (choose A, B, C, D, E, F, G or H)
A = Standard, 2-1/2 inch split leads NC
B = 2-1/2 inch split leads with #6 spade lugs $1.75
C = 2-1/2 inch split leads with #6 spade lugs and BX connector $6.25
D = Standard male plug, quick disconnect $10.00
E = Standard female jack, quick disconnect $11.50
F = Miniature male plug, quick disconnect (24 gauge wire only) $8.20
G = Miniature female jack, quick disconnect (24 gauge wire only) $9.00
H = 1/4 inch push-on connector $1.70

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


Watlow Thermocouple Termination Options
A = 2-1/2" Split Leads B = Spade Lugs D = Standard Plug-Male E = Standard Plug-Female
C = BX Connector with
Space Lugs
H = 1/4" Push On
Female Quick Disconnect
F = Miniature Plug-Male G = Miniature Plug-Female

This page last modified on 1/15/2018

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