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
Sensing Temperature Min
Outside Diameter
External Diameter
Measured Temperature Min
Measured Temperature Max
Sensing 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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Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice ForQuantity
2420307

RoHS

Each
1+
S$105.820
(S$115.3438)
5+
S$104.770
(S$114.1993)
10+
S$103.720
(S$113.0548)
25+
S$102.660
(S$111.8994)
50+
S$84.490
(S$92.0941)
More Pricing...
Min: 1 / Mult: 1
-
K
-40°C
-
-
-
-
1100°C
-
Stainless Steel
-
-
12"
300mm
0.236"
6mm
-
-
IEC
Shielded
-
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
2772012

RoHS

Each
1+
S$51.770
(S$56.4293)
5+
S$50.210
(S$54.7289)
10+
S$41.330
(S$45.0497)
25+
S$40.510
(S$44.1559)
50+
S$39.680
(S$43.2512)
More Pricing...
Min: 1 / Mult: 1
-
N
-40°C
-
-
-
-
1250°C
-
Nickel Chromium Silicon Alloy
40"
1m
12"
300mm
0.118"
3mm
PVC
Bare Wire
-
Shielded
-
2810579

RoHS

Each
1+
S$192.610
(S$209.9449)
Min: 1 / Mult: 1
-
K
-
0.25"
-
0°C
900°C
-
-
304 Stainless Steel
-
-
12"
304.8mm
0.25"
6.35mm
-
Standard Connector
-
Shielded
-
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
4920892

RoHS

Each
1+
S$81.140
(S$88.4426)
5+
S$79.110
(S$86.2299)
10+
S$75.150
(S$81.9135)
Min: 1 / Mult: 1
-
K
-200°C
-
-
-200°C
+1100°C
+1100°C
-
Stainless Steel
80"
2m
12"
300mm
0.118"
3mm
-
-
-
-
-
2918841

RoHS

Each
1+
S$109.480
(S$119.3332)
5+
S$102.600
(S$111.834)
10+
S$95.720
(S$104.3348)
Min: 1 / Mult: 1
-
K
-
-
-
-
-
400°C
-
Stainless Steel
80"
2m
12"
300mm
0.13"
3.3mm
PTFE
Miniature Connector
-
Shielded
-
3816110
Each
1+
S$132.860
(S$144.8174)
Min: 1 / Mult: 1
-
K
0°C
-
-
0°C
700°C
700°C
-
Stainless Steel
40"
1.02m
12"
304.8mm
0.02"
0.51mm
PFA
Miniature Connector
ANSI
Shielded
TJC36 Series
3800472
Each
1+
S$101.530
(S$110.6677)
Min: 1 / Mult: 1
-
-
0°C
-
-
0°C
1038°C
1038°C
-
-
40"
1.02m
12"
304.8mm
0.062"
1.57mm
-
Stripped Leads
ANSI
Shielded
-
3815585

RoHS

Each
1+
S$114.060
(S$124.3254)
Min: 1 / Mult: 1
-
-
0°C
-
-
0°C
920°C
920°C
-
-
-
-
12"
304.8mm
0.062"
1.58mm
-
-
-
-
-
3794748

RoHS

Each
1+
S$108.580
(S$118.3522)
5+
S$106.410
(S$115.9869)
10+
S$104.240
(S$113.6216)
25+
S$102.070
(S$111.2563)
50+
S$99.900
(S$108.891)
More Pricing...
Min: 1 / Mult: 1
300mm
J
-
-
3mm
0°C
520°C
-
Nickel Chromium
Inconel
-
-
12"
305mm
0.125"
3.175mm
-
Standard Connector
ANSI
Unshielded
ICIN Series
3794744

RoHS

Each
1+
S$91.930
(S$100.2037)
Min: 1 / Mult: 1
300mm
K
-
-
1.5mm
0°C
900°C
-
-
304 Stainless Steel
-
-
12"
305mm
0.0625"
1.59mm
-
Standard Connector
ANSI
Unshielded
CASS Series
4539269

RoHS

Each
1+
S$98.580
(S$107.4522)
Min: 1 / Mult: 1
-
K
-
-
-
0°C
1070°C
-
-
304 Stainless Steel
-
-
12"
304.8mm
0.125"
3.18mm
-
Miniature Connector
ANSI
Shielded
SCASS Series
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
-
3794743

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
300mm
K
-
-
3mm
0°C
1070°C
-
Nickel Chromium
Inconel
-
-
12"
305mm
0.125"
3.175mm
-
Standard Connector
ANSI
Unshielded
CAIN Series
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
3805551
Each
1+
S$123.520
(S$134.6368)
5+
S$121.050
(S$131.9445)
10+
S$118.580
(S$129.2522)
25+
S$116.110
(S$126.5599)
50+
S$113.640
(S$123.8676)
More Pricing...
Min: 1 / Mult: 1
300mm
K
-
-
4.5mm
0°C
510°C
-
Stainless Steel
304 Stainless Steel
-
-
12"
305mm
0.1875"
4.763mm
-
Miniature Connector
ANSI
Unshielded
KHSS Series
3794745

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
300mm
T
-
-
3mm
0°C
315°C
-
-
304 Stainless Steel
-
-
12"
305mm
0.125"
3.175mm
-
Standard Connector
ANSI
Unshielded
CPSS Series
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
-
3794760
Each
1+
S$118.290
(S$128.9361)
5+
S$115.930
(S$126.3637)
10+
S$113.560
(S$123.7804)
25+
S$111.200
(S$121.208)
50+
S$108.830
(S$118.6247)
More Pricing...
Min: 1 / Mult: 1
300mm
K
-
-
3mm
0°C
510°C
-
-
304 Stainless Steel
-
-
12"
305mm
0.125"
3.175mm
-
Miniature Connector
ANSI
Unshielded
KHSS Series
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
2918839

RoHS

Each
1+
S$145.350
(S$158.4315)
5+
S$139.270
(S$151.8043)
10+
S$124.970
(S$136.2173)
25+
S$118.280
(S$128.9252)
50+
S$114.080
(S$124.3472)
More Pricing...
Min: 1 / Mult: 1
-
K
-
-
-
-
-
400°C
-
Stainless Steel
80"
2m
12"
300mm
0.13"
3.3mm
PTFE
Miniature Connector
-
Shielded
-
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
3794758
Each
1+
S$121.610
(S$132.5549)
5+
S$119.180
(S$129.9062)
10+
S$116.750
(S$127.2575)
25+
S$114.320
(S$124.6088)
50+
S$111.890
(S$121.9601)
More Pricing...
Min: 1 / Mult: 1
300mm
K
-
-
1.5mm
0°C
510°C
-
-
304 Stainless Steel
-
-
12"
305mm
0.0625"
1.59mm
-
Miniature Connector
ANSI
Unshielded
KHSS Series
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