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Watlow Style 23 & 24 Rigid Sheath
with Threaded Fitting Thermocouples
Watlow Style 23 & 24 Rigid Sheath with Threaded Fitting Thermocouple temperature sensors provide protection and accurate placement through bulkheads or platens and in process applications. They are available with either a 1/8" NPT or 1/2" NPT stainless steel screw in fitting.

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 quick 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 Rigid Sheath with Threaded Fitting Style Thermocouple build the desired 11-digit model part number using the ordering information form below.

Download Watlow Style 23-24 Thermocouple Catalog Page (pdf)
Custom Ordering Information -
Watlow Rigid Sheath with Threaded Fitting Thermocouples
____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____
1 2 3 4 5 6 7 8 9 10 11
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: There is now a 5-piece Minimum Order Quantity for this item.
1-2 Construction Style (choose 23 or 24)
23 = Straight sheath with 1/8 inch NPT stainless steel fitting
24 = Straight sheath with 1/2 inch NPT stainless steel fitting

3. Sheath Diameter, 316 Stainless Steel (choose C, D or T)
C = 1/8 inch
D = 3/16 inch
T = 3/16 inch epoxy sealed 300°F

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

5. Lead Protection (choose F, S, H, P, B, C, O, T, U, K, V, W or Y)
F = Fiberglass (24 gauge stranded)
S = Fiberglass with stainless steel overbraid (24 gauge stranded)
H = Fiberglass with stainless steel hose (24 gauge stranded)
P = Fiberglass (20 gauge stranded)**
B = Fiberglass with stainless steel overbraid (20 gauge stranded)**
T = PFA (24 gauge stranded)
U = PFA with stainless steel overbraid (24 gauge stranded)
K = PFA with stainless steel hose (24 gauge stranded)
V = PFA (20 gauge stranded)**
W = PFA with stainless steel overbraid (20 gauge stranded)**
** Not available with 1/8" sheath diameter (Item 3, Option C)

6. Junction (choose F, G, D, U, P, R or E)
F = Grounded, flat tip
G = Grounded, round tip
D = Grounded, drill point
U = Ungrounded, round tip
P = Ungrounded, drill point
R = Ungrounded, flat tip
E = Exposed

7. Sheath Length "B" Dimension (in inches) (choose one B to Z)
B=1 E=2-1/2 H=4 L=5-1/2 P=7 S=8-1/2 W=10
C=1-1/2 F=3 J=4-1/2 M=6 Q=7-1/2 T=9 Y=11
D=2 G=3-1/2 K=5 N=6-1/2 R=8 U=9-1/2 Z=12

8-10. Lead Length (whole inches) (enter 6 to 360)
Inches

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

ENTER QUANTITY NEEDED (5-Piece Minimum Order Quantity)


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 1/13/2023

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