Watlow Large Rigid Sheath Thermocouples
Plastics Standard - Thousands Available in 1 Day
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.

Watlow Style 40 Large Diameter Straight Sheath Rigid Thermocouples and Style 41 & 42 Large Diameter Bent Rigid Thermocouples provide protection and accurate placement through bulkheads or platens. Use with a compression fitting for a water tight immersion application. The Style 41 & 42 Bent Rigid tube offers protection and accurate lead placement around machinery and in tight spaces.

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 Large Diameter Rigid Sheath Style Thermocouple build the desired 11-digit model part number using this model number guide and call us for pricing; or select a model from the "Rapid Ship Sensors" price chart below.
Custom Ordering - Watlow Large Diameter Rigid Sheath Style Thermocouples
____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____
1 2 3 4 5 6 7 8 9 10 11
1-2 - Construction Style
40 = Plain sheath, large diameter, straight
41 = Plain sheath, large diameter, 45° bend
42 = Plain sheath, large diameter, 90° bend

3 - Sheath Diameter - 316SS
E = 1/4 inch
G = 3/8 inch
U = 1/4 inch epoxy sealed 149°C (300°F)
V = 3/8 inch epoxy sealed 149°C (300°F)

4 - Calibration
J = Type J
K = Type K
T = Type T
E = Type E

5 - Lead Protection
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)
C = Fiberglass with stainless steel hose (20 gauge stranded)
O = Plug or jack termination on sheath fiberglass (24 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)
Y = PFA with stainless steel hose (20 gauge stranded)

6 - Junction
F = Grounded, flat tip
G = Grounded, round tip
R = Ungrounded, flat tip
U = Ungrounded, round tip
E = Exposed
H = Grounded, round tip, dual element
S = Ungrounded, round tip, dual element

7 - Sheath Length (inches)
A = 1, B = 2, C = 3, D = 4, E = 5, F = 6, G = 7, H = 8,
J = 9, K = 10, L = 11, M = 12, N = 13, P = 14, Q = 15, R = 16
S = 17, T = 18, U = 19, W = 20, Y = 22, Z = 24

8-10 - Lead Length (whole inches)
012, 024, 036, 040, 048, 060, 072, 079, 096 and 120
Available Lengths: 006 to 360, over 360 consult factory

11 - Terminations/Options (see chart below)
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
G = Miniature female jack, quick disconnect
H = 1/4 inch push-on connector
Watlow Adjust Spring thermocouple
Watlow Rigid Sheath Thermocouple - Rapid Ship Sensors (ship 1 day or less)
Rapid ship units below come with 1/4 inch diameter sheath, 20 gauge stranded fiberglass lead
with stainless steel overbraid and a grounded junction and split lead termination.
Calibration Sheath
Length in.		 Lead
Length (in)		 Part No. Price
J 2 48 40EJBGD048A $24.60
96 40EJBGD096A $34.20
4 48 40EJBGF048A $24.60
96 40EJBGF096A $34.60
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

Accessory Items
Watlow Compression Fittings and
Mating Thermocouple Connectors
Part No. Description Price
TH-185-4 Brass Compression Fitting 1/8 in. NPT, 1/4" diam. sheath $6.00
TH-185-5 Brass Compression Fitting 1/4 in. NPT, 1/4" diam. sheath $7.00
TH-185-7 Brass Compression Fitting 1/4 in. NPT, 3/8" diam. sheath $10.00
TH-2745-250 St. Steel Compression Fitting 1/8 in. NPT, 1/4" diam. sheath $9.50
SCM-(calib)-WAT Standard Plug-Male (specify calibration J,K,T,E) $4.80
SCF-(calib)-WAT Standard Jack-Female (specify calibration J,K,T,E) $5.80
MCM-(calib)-WAT Miniature Plug-Male (specify calibration J,K,T,E) $3.10
MCF-(calib)-WAT Miniature Jack-Female (specify calibration J,K,T,E) $3.80
This page last modified on 2/25/2008