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
Length
Thermocouple Type
Outside Diameter
External Diameter
Measured Temperature Min
Measured Temperature Max
Probe/Pocket Body Material
Sensor Body Material
Lead Length - Imperial
Lead Length - Metric
Probe Length - Imperial
Probe Length - Metric
Probe Diameter - Imperial
Probe Diameter - Metric
Insulation
Thermocouple Termination
Thermocouple Wire Standard
Thermocouple Shielding
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1 Filter(s) Selected
ComparePrice ForQuantity
3410310

RoHS

Each
1+
S$242.190
(S$263.9871)
Min: 1 / Mult: 1
12"
K
-
-
0°C
480°C
-
Stainless Steel
60"
1.524m
-
-
0.5"
12.7mm
TPE
Miniature Connector
IEC
Unshielded
-
3794794

RoHS

Each
1+
S$107.070
(S$116.7063)
5+
S$104.930
(S$114.3737)
10+
S$102.790
(S$112.0411)
25+
S$100.650
(S$109.7085)
50+
S$98.510
(S$107.3759)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
1150°C
-
Super Omegaclad XL
-
-
12"
305mm
0.125"
3.18mm
-
Standard Connector
ANSI
Unshielded
KQXL Series
3794788
Each
1+
S$104.090
(S$113.4581)
5+
S$102.010
(S$111.1909)
10+
S$99.930
(S$108.9237)
25+
S$97.850
(S$106.6565)
50+
S$95.770
(S$104.3893)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
1070°C
Nickel Chromium
Inconel
-
-
12"
305mm
0.125"
3.175mm
-
Standard Connector
ANSI
Unshielded
KQIN Series
3794725
Each
1+
S$518.690
(S$565.3721)
5+
S$508.320
(S$554.0688)
10+
S$497.950
(S$542.7655)
25+
S$497.660
(S$542.4494)
Min: 1 / Mult: 1
12"
K
-
-
0°C
760°C
-
Stainless Steel
60"
1.524m
-
-
0.5"
12.7mm
TPE
Miniature Connector
ANSI
Unshielded
-
4459502

RoHS

Each
1+
S$120.680
(S$131.5412)
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+
S$182.360
(S$198.7724)
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
-
3794766

RoHS

Each
1+
S$104.400
(S$113.796)
5+
S$102.320
(S$111.5288)
10+
S$100.230
(S$109.2507)
25+
S$98.140
(S$106.9726)
50+
S$96.050
(S$104.6945)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.04"
0°C
700°C
-
304 Stainless Steel
-
-
12"
305mm
0.040"
1.016mm
-
Miniature Connector
ANSI
Unshielded
KMQSS Series
3805520
Each
1+
S$122.180
(S$133.1762)
5+
S$119.570
(S$130.3313)
10+
S$117.110
(S$127.6499)
25+
S$114.640
(S$124.9576)
50+
S$112.210
(S$122.3089)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
-
0°C
760°C
-
Stainless Steel
60"
1.524m
-
-
0.5"
12.7mm
TPE
Miniature Connector
ANSI
Unshielded
-
3794803
Each
1+
S$165.880
(S$180.8092)
5+
S$162.570
(S$177.2013)
10+
S$159.250
(S$173.5825)
25+
S$155.930
(S$169.9637)
50+
S$152.610
(S$166.3449)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.25"
0°C
650°C
-
304 Stainless Steel
5ft
1.52mm
12"
304.8mm
0.25"
6mm
-
Mini Male Connector
ANSI
Shielded
-
3794793

RoHS

Each
1+
S$104.090
(S$113.4581)
5+
S$102.010
(S$111.1909)
10+
S$99.930
(S$108.9237)
25+
S$97.850
(S$106.6565)
50+
S$95.770
(S$104.3893)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
1150°C
-
Super Omegaclad XL
-
-
12"
305mm
0.125"
3.18mm
-
Standard Connector
ANSI
Unshielded
KQXL Series
3794782

RoHS

Each
1+
S$107.070
(S$116.7063)
5+
S$104.930
(S$114.3737)
10+
S$102.790
(S$112.0411)
25+
S$100.650
(S$109.7085)
50+
S$99.010
(S$107.9209)
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
1150°C
-
Super Omegaclad XL
-
-
12"
305mm
0.125"
3.175mm
-
Miniature Connector
ANSI
Unshielded
KMQXL Series
3794773

RoHS

Each
1+
S$98.990
(S$107.8991)
5+
S$97.020
(S$105.7518)
10+
S$95.040
(S$103.5936)
25+
S$93.060
(S$101.4354)
50+
S$91.080
(S$99.2772)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
900°C
-
304 Stainless Steel
-
-
12"
305mm
0.125"
3.175mm
-
Miniature Connector
ANSI
Unshielded
KMQSS Series
3794770

RoHS

Each
1+
S$98.990
(S$107.8991)
5+
S$97.020
(S$105.7518)
10+
S$95.040
(S$103.5936)
25+
S$93.060
(S$101.4354)
50+
S$91.080
(S$99.2772)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
900°C
-
304 Stainless Steel
-
-
12"
305mm
0.062"
1.575mm
-
Miniature Connector
ANSI
Unshielded
KMQSS Series
3794797
Each
1+
S$92.370
(S$100.6833)
5+
S$90.530
(S$98.6777)
10+
S$88.680
(S$96.6612)
25+
S$86.830
(S$94.6447)
50+
S$84.990
(S$92.6391)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
920°C
Nickel Chromium
Inconel
40"
1.016m
12"
305mm
0.0625"
1.59mm
PFA
Stripped Wire Leads
ANSI
Unshielded
KTIN Series
3794768

RoHS

Each
1+
S$93.550
(S$101.9695)
5+
S$91.680
(S$99.9312)
10+
S$89.810
(S$97.8929)
25+
S$87.940
(S$95.8546)
50+
S$86.070
(S$93.8163)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
900°C
-
304 Stainless Steel
-
-
12"
305mm
0.062"
1.575mm
-
Miniature Connector
ANSI
Unshielded
KMQSS Series
3794784

RoHS

Each
1+
S$104.190
(S$113.5671)
5+
S$102.110
(S$111.2999)
10+
S$100.030
(S$109.0327)
25+
S$97.940
(S$106.7546)
50+
S$95.860
(S$104.4874)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
900°C
-
304 Stainless Steel
40"
1.016m
12"
305mm
0.062"
1.575mm
-
Stripped Wire Leads
ANSI
Unshielded
KMTSS Series
3805556

RoHS

Each
1+
S$156.750
(S$170.8575)
5+
S$153.390
(S$167.1951)
10+
S$150.240
(S$163.7616)
25+
S$147.080
(S$160.3172)
50+
S$143.950
(S$156.9055)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
6.35mm
0°C
1204°C
-
Super Omegaclad XL
40"
1.016m
12"
305mm
0.25"
6.35mm
PFA
Stripped Wire Leads
ANSI
Unshielded
KTXL Series
3794762

RoHS

Each
1+
S$98.990
(S$107.8991)
5+
S$97.020
(S$105.7518)
10+
S$95.040
(S$103.5936)
25+
S$93.060
(S$101.4354)
50+
S$91.080
(S$99.2772)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
920°C
Nickel Chromium
Inconel
-
-
12"
305mm
0.062"
1.575mm
-
Miniature Connector
ANSI
Unshielded
KMQIN Series
3794780

RoHS

Each
1+
S$113.740
(S$123.9766)
5+
S$111.470
(S$121.5023)
10+
S$109.200
(S$119.028)
25+
S$106.920
(S$116.5428)
50+
S$104.650
(S$114.0685)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
1150°C
-
Super Omegaclad XL
-
-
12"
305mm
0.125"
3.175mm
-
Miniature Connector
ANSI
Unshielded
KMQXL Series
3794815

RoHS

Each
1+
S$150.270
(S$163.7943)
5+
S$147.270
(S$160.5243)
10+
S$144.260
(S$157.2434)
25+
S$141.260
(S$153.9734)
50+
S$138.250
(S$150.6925)
More Pricing...
Min: 1 / Mult: 1
12"
T
-
0.125"
0°C
220°C
-
304 Stainless Steel
-
-
12"
304.8mm
0.062"
1.57mm
-
Miniature Connector
ANSI
Shielded
-
3794804

RoHS

Each
1+
S$112.740
(S$122.8866)
5+
S$110.490
(S$120.4341)
10+
S$108.240
(S$117.9816)
25+
S$105.980
(S$115.5182)
50+
S$103.730
(S$113.0657)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
900°C
Nickel Chromium
Inconel
40"
1.01m
12"
304.8mm
0.12"
3.04mm
-
Stripped Leads
ANSI
Shielded
TJ36
3794777

RoHS

Each
1+
S$107.070
(S$116.7063)
5+
S$104.930
(S$114.3737)
10+
S$102.790
(S$112.0411)
25+
S$100.650
(S$109.7085)
50+
S$98.510
(S$107.3759)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
1038°C
-
Super Omegaclad XL
-
-
12"
305mm
0.062"
1.575mm
-
Miniature Connector
ANSI
Unshielded
KMQXL Series
3794791

RoHS

Each
1+
S$96.280
(S$104.9452)
5+
S$94.360
(S$102.8524)
10+
S$92.430
(S$100.7487)
25+
S$90.510
(S$98.6559)
50+
S$88.580
(S$96.5522)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.062"
0°C
1038°C
-
Super Omegaclad XL
-
-
12"
305mm
0.0625"
1.59mm
-
Standard Connector
ANSI
Unshielded
KQXL Series
3794772

RoHS

Each
1+
S$93.550
(S$101.9695)
5+
S$91.680
(S$99.9312)
10+
S$89.810
(S$97.8929)
25+
S$87.940
(S$95.8546)
50+
S$86.070
(S$93.8163)
More Pricing...
Min: 1 / Mult: 1
12"
K
-
0.125"
0°C
900°C
-
304 Stainless Steel
-
-
12"
305mm
0.125"
3.175mm
-
Miniature Connector
ANSI
Unshielded
KMQSS Series
3805570

RoHS

Each
1+
S$164.590
(S$179.4031)
5+
S$161.300
(S$175.817)
10+
S$158.010
(S$172.2309)
25+
S$154.720
(S$168.6448)
50+
S$151.430
(S$165.0587)
More Pricing...
Min: 1 / Mult: 1
12"
J
-
0.25"
0°C
720°C
-
Inconel
-
-
12"
304.8mm
0.25"
6.35mm
-
Standard Connector
-
Shielded
-
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