Temperature sensing and control is a critical requirement in applications like furnaces, boilers, HVAC and in industrial processes like chemical, petrochemical, oil & gas, and food processing/manufacturing.

Thermocouples are widely used in these applications for temperature sensing. They work on the principle of Seebeck effect, where two different metal wires are joined together, and this junction generates a voltage proportional to the temperature. The most common thermocouple types or thermocouple calibrations available are B, E, J, K, N, R, S, T & C. Each of these types have a specified temperature range in which they can be used. Thermocouples are available in various form factors like immersion probes, surface probes, air probes, bulkhead probes etc. Thermocouple wires, thermocouple extension wires and thermocouple connectors are important accessories that are used along with thermocouples.

Thermocouple wires are used to connect the sensor to the measuring instrument or temperature controller/transmitter. Thermocouple extension wires are used to extend the distance between the sensor and the measuring instrument or controller/transmitter. Thermocouple connectors are used to provide a secure and reliable connection between the thermocouple wires/extension wires and the measuring instruments. Thermocouple connectors are available in standard and miniature versions with 2-terminal connectors being the most used.

Application temperature, degree of accuracy in measurement, resistance to harsh environments, thermocouple wires, thermocouple extension wires and thermocouple connectors are the key factors based on which a thermocouple type is selected.

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Manufacturer
Thermocouple Wire Type
Length
Thermocouple Type
Sensing Temperature Min
Outside Diameter
External Diameter
Length - Imperial
Measured Temperature Min
Measured Temperature Max
Sensing Temperature Max
Probe/Pocket Body Material
Length - Metric
Sensor Body Material
Response Time
Lead Length - Imperial
Operating Temperature Min
Wire Gauge
Operating Temperature Max
Lead Length - Metric
Probe Length - Imperial
Analogue Outputs
Probe Length - Metric
Probe Diameter - Imperial
Probe Diameter - Metric
Field of View (FOV)
Insulation
Emissivity
Thermocouple Termination
Thermocouple Wire Standard
Thermocouple Shielding
Product Range
Packaging
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ComparePrice ForQuantity
4318137

RoHS

Each
1+
RM320.560
5+
RM300.910
10+
RM268.120
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
800°C
800°C
-
-
310 Stainless Steel
-
6.562ft
-
-
-
2m
3.281ft
-
1m
0.118"
3mm
-
-
-
-
-
-
MPFA Series
2990366

RoHS

Pack of 5
1+
RM611.150
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
260°C
260°C
-
-
PFA
-
-
-
-
-
-
3.3ft
-
1m
0.005"
0.13mm
-
PFA
-
Stripped Leads
IEC
Unshielded
5TC Series
1633490

RoHS

Each
1+
RM82.450
10+
RM80.160
25+
RM74.760
50+
RM70.070
100+
RM67.470
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
+250°C
-
-
-
-
120"
-
-
-
3m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
-
2811054

RoHS

Pack of 5
1+
RM1,030.540
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
150°C
260°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
-
2978152

RoHS

Pack of 5
1+
RM958.110
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
260°C
-
-
-
-
-
36"
-
-
-
900mm
-
-
-
-
-
-
PFA
-
Standard Connector
ANSI
Unshielded
5SRTC Series
2978154

RoHS

Pack of 5
1+
RM1,672.230
5+
RM1,573.300
10+
RM1,536.420
25+
RM1,505.700
50+
RM1,474.970
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
175°C
-
-
-
-
-
40"
-
-
-
1m
-
-
-
-
-
-
PFA
-
Stripped Leads
ANSI
Unshielded
SA1 Series
2978149

RoHS

Pack of 5
1+
RM699.120
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
260°C
260°C
-
-
-
-
36"
-
-
-
900mm
-
-
-
-
-
-
PFA
-
Standard Connector
ANSI
Unshielded
5SRTC Series
3410483

RoHS

Pack of 5
1+
RM812.250
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
260°C
480°C
-
-
-
-
40"
-
-
-
1m
-
-
-
-
-
-
PFA
-
Standard Connector
IEC
Unshielded
5SRTC Series
2978148

RoHS

Pack of 5
1+
RM890.700
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
260°C
260°C
-
-
-
-
40"
-
-
-
1m
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
5SC Series
2918841

RoHS

Each
1+
RM345.330
5+
RM323.250
10+
RM301.180
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
400°C
-
-
Stainless Steel
-
80"
-
-
-
2m
12"
-
300mm
0.13"
3.3mm
-
PTFE
-
Miniature Connector
-
Shielded
-
2810872

RoHS

Pack of 5
1+
RM928.060
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
150°C
175°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
-
2811046

RoHS

Pack of 5
1+
RM776.860
Min: 1 / Mult: 1
-
-
-
0°C
-
-
-
0°C
260°C
260°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PFA
-
Standard Connector
ANSI
Unshielded
-
2806354

RoHS

Pack of 5
1+
RM890.700
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
260°C
260°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
5SC Series
3410310

RoHS

Each
1+
RM946.510
Min: 1 / Mult: 1
-
12"
K
-
-
-
-
0°C
480°C
-
-
-
Stainless Steel
-
60"
-
-
-
1.524m
-
-
-
0.5"
12.7mm
-
TPE
-
Miniature Connector
IEC
Unshielded
-
3815898

RoHS

Each
1+
RM296.530
Min: 1 / Mult: 1
-
-
-
0°C
-
-
-
0°C
920°C
-
-
-
-
-
40"
-
-
-
1.02m
24"
-
609.6mm
0.062"
1.58mm
-
PFA
-
Stripped Leads
ANSI
Shielded
-
3801605

RoHS

Each
1+
RM117.580
Min: 1 / Mult: 1
-
-
T
-200°C
-
-
-
-200°C
200°C
200°C
-
-
Nylon (Polyamide)
-
78.74"
-
-
-
2m
1.22"
-
31mm
0.039"
1mm
-
-
-
-
-
-
Multicomp Pro Thermocouples
4047995

RoHS

Each
1+
RM454.940
Min: 1 / Mult: 1
-
-
-
0°C
-
-
-
-
-
900°C
-
-
Stainless Steel
-
-
-
-
-
-
-
-
-
0.125"
-
-
-
-
-
-
-
KHSS Series
4015749

RoHS

Each
1+
RM383.830
Min: 1 / Mult: 1
-
-
K
-
0.062"
-
-
0°C
1038°C
-
Super Omegaclad
-
Super Omegaclad XL
-
-
-
-
-
-
6"
-
152.5mm
0.0625"
1.59mm
-
-
-
Standard Connector
ANSI
Unshielded
KQXL Series
3958789

RoHS

Each
1+
RM2,242.430
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
200°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PFA
-
Stripped Leads
ANSI
Unshielded
-
3935895

RoHS

Each
1+
RM239.650
Min: 1 / Mult: 1
-
-
J
0°C
-
-
-
0°C
482°C
482°C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Fiberglass
-
Stripped Leads
ANSI
-
-
4459502

RoHS

Each
1+
RM454.950
Min: 1 / Mult: 1
-
12"
K
-
0.25"
0.25"
-
0°C
900°C
-
Stainless Steel
-
304 Stainless Steel
-
-
-
-
-
-
12"
-
305mm
0.25"
6.25mm
-
-
-
Standard Connector
ANSI
Unshielded
KQSS Series
4138641

RoHS

Each
1+
RM651.480
Min: 1 / Mult: 1
-
12"
J
-
0.25"
0.25"
-
0°C
720°C
-
Stainless Steel
-
304 Stainless Steel
-
-
-
-
-
-
12"
-
304.8mm
0.25"
6.35mm
-
-
-
Standard Connector
-
Shielded
-
4144988

RoHS

Each
1+
RM530.870
Min: 1 / Mult: 1
-
-
-
0°C
-
-
-
0°C
1150°C
1150°C
-
-
-
-
40"
-
-
-
1.02m
-
-
-
0.25"
-
-
PFA
-
Wire Leaded
ANSI
Shielded
-
4144610

RoHS

Each
1+
RM1,401.980
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
-
700°C
920°C
-
-
Inconel 600
-
360"
-
-
-
9.14m
240"
-
6.09m
0.062"
1.59mm
-
PFA
-
Miniature Connector
-
Shielded
TJC36 Series
4145696

RoHS

Each
1+
RM1,070.500
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
980°C
980°C
-
-
-
-
-
-
-
-
3.65m
-
-
-
-
-
-
Nextel
-
Spade Lugs
ANSI
-
XCIB Series
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