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 Type
Sensing Temperature Min
Measured Temperature Min
Measured Temperature Max
Sensing Temperature Max
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
2772039

RoHS

Each
1+
$78.360
($90.114)
5+
$77.880
($89.562)
10+
$77.390
($88.9985)
25+
$75.610
($86.9515)
50+
$74.100
($85.215)
More Pricing...
Min: 1 / Mult: 1
T
-100°C
-
-
400°C
Stainless Steel
3"
100mm
6"
150mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
-
2772022

RoHS

Each
1+
$46.580
($53.567)
10+
$44.720
($51.428)
50+
$36.820
($42.343)
Min: 1 / Mult: 1
K
-40°C
-
-
1100°C
Stainless Steel
3"
100mm
9.84"
250mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
-
4318130

RoHS

Each
1+
$111.760
($128.524)
5+
$104.910
($120.6465)
10+
$93.470
($107.4905)
Min: 1 / Mult: 1
K
0°C
0°C
800°C
-
Inconel 600
3.281ft
1m
5.905"
150mm
0.059"
1.5mm
-
-
-
-
MPFA Series
4318174

RoHS

Each
1+
$61.820
($71.093)
10+
$57.480
($66.102)
25+
$53.760
($61.824)
Min: 1 / Mult: 1
K
0°C
0°C
1200°C
-
Inconel 600
-
-
19.685"
500mm
0.059"
1.5mm
-
-
-
-
MPFA Series
4318132

RoHS

Each
1+
$120.360
($138.414)
5+
$112.990
($129.9385)
10+
$100.670
($115.7705)
Min: 1 / Mult: 1
K
0°C
0°C
800°C
800°C
Inconel 600
3.281ft
1m
19.685"
500mm
0.059"
1.5mm
-
-
-
-
MPFA Series
4318135

RoHS

Each
1+
$111.760
($128.524)
5+
$104.910
($120.6465)
10+
$93.470
($107.4905)
Min: 1 / Mult: 1
K
0°C
0°C
800°C
-
Inconel 600
3.281ft
1m
4.921ft
1.5m
0.059"
1.5mm
-
-
-
-
MPFA Series
4318131

RoHS

Each
1+
$116.050
($133.4575)
5+
$108.940
($125.281)
10+
$97.070
($111.6305)
Min: 1 / Mult: 1
K
0°C
0°C
800°C
-
Inconel 600
3.281ft
1m
9.843"
250mm
0.059"
1.5mm
-
-
-
-
MPFA Series
4318173

RoHS

Each
1+
$66.900
($76.935)
10+
$61.480
($70.702)
25+
$56.880
($65.412)
75+
$52.900
($60.835)
Min: 1 / Mult: 1
K
-
0°C
1200°C
1200°C
Inconel 600
-
-
9.843"
250mm
0.059"
1.5mm
-
-
-
-
MPFA Series
2772028

RoHS

Each
1+
$61.110
($70.2765)
10+
$60.380
($69.437)
25+
$55.040
($63.296)
50+
$49.690
($57.1435)
100+
$48.700
($56.005)
More Pricing...
Min: 1 / Mult: 1
K
-
-
-
1100°C
Stainless Steel
40"
1m
6"
150mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
-
2990446

RoHS

Each
1+
$135.950
($156.3425)
Min: 1 / Mult: 1
-
-
-
482.2°C
482.2°C
-
40"
1m
6"
150mm
0.059"
1.5mm
-
-
-
-
HTTC36 Series
1289621

RoHS

Each
1+
$69.180
($79.557)
5+
$67.080
($77.142)
10+
$62.650
($72.0475)
25+
$57.870
($66.5505)
50+
$55.200
($63.480)
More Pricing...
Min: 1 / Mult: 1
K
-100°C
-
-
+1100°C
Stainless Steel
80"
2m
6"
150mm
0.059"
1.5mm
-
Bare Wire
IEC
Shielded
MA-ISK Series
4248314

RoHS

Each
1+
$66.850
($76.8775)
10+
$65.780
($75.647)
25+
$59.950
($68.9425)
50+
$54.120
($62.238)
100+
$53.040
($60.996)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
-
Stainless Steel
-
-
6"
150mm
0.059"
1.5mm
-
Miniature Connector
-
Shielded
Type K
4248200

RoHS

Each
1+
$84.010
($96.6115)
10+
$82.020
($94.323)
25+
$74.760
($85.974)
50+
$67.490
($77.6135)
100+
$66.150
($76.0725)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
+1100°C
Stainless Steel
40"
1m
9.84"
250mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
Type K
4920909

RoHS

Each
1+
$72.060
($82.869)
5+
$68.770
($79.0855)
10+
$67.020
($77.073)
Min: 1 / Mult: 1
K
-200°C
-200°C
+1100°C
+1100°C
Stainless Steel
80"
2m
3"
100mm
0.059"
1.5mm
-
-
-
-
-
1289624

RoHS

Each
1+
$78.330
($90.0795)
5+
$76.020
($87.423)
10+
$71.340
($82.041)
25+
$65.960
($75.854)
50+
$62.720
($72.128)
More Pricing...
Min: 1 / Mult: 1
K
-100°C
-
-
+1100°C
Stainless Steel
80"
2m
40"
1m
0.059"
1.5mm
-
Bare Wire
IEC
Shielded
MA-ISK Series
1289604

RoHS

Each
1+
$60.350
($69.4025)
10+
$58.570
($67.3555)
25+
$54.970
($63.2155)
50+
$50.810
($58.4315)
100+
$48.320
($55.568)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
1100°C
Stainless Steel
-
-
40"
1m
0.059"
1.5mm
-
Miniature Connector
IEC
Shielded
-
7078146

RoHS

Each
1+
$55.210
($63.4915)
10+
$54.520
($62.698)
25+
$49.680
($57.132)
50+
$44.840
($51.566)
100+
$43.950
($50.5425)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
+1100°C
Stainless Steel
3"
100mm
6"
150mm
0.059"
1.5mm
PFA
Bare Wire
IEC
Shielded
KMI Series
4248193

RoHS

Each
1+
$78.480
($90.252)
10+
$76.270
($87.7105)
25+
$69.530
($79.9595)
50+
$62.780
($72.197)
100+
$61.530
($70.7595)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
+1100°C
Stainless Steel
40"
1m
6"
150mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
Type K
7078171

RoHS

Each
1+
$59.430
($68.3445)
10+
$58.440
($67.206)
25+
$53.270
($61.2605)
50+
$48.090
($55.3035)
100+
$47.130
($54.1995)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
-
Stainless Steel
3"
100mm
40"
1m
0.059"
1.5mm
PFA
Bare Wire
IEC
Shielded
KMI Series
1289620

RoHS

Each
1+
$70.240
($80.776)
5+
$68.170
($78.3955)
10+
$63.980
($73.577)
25+
$59.150
($68.0225)
50+
$56.250
($64.6875)
More Pricing...
Min: 1 / Mult: 1
K
-
-
-
+1100°C
Stainless Steel
80"
2m
3"
100mm
0.059"
1.5mm
-
Bare Wire
IEC
Shielded
MA-ISK Series
7078160

RoHS

Each
1+
$67.190
($77.2685)
10+
$64.500
($74.175)
25+
$58.780
($67.597)
50+
$53.070
($61.0305)
100+
$52.010
($59.8115)
More Pricing...
Min: 1 / Mult: 1
K
-
-
-
+1100°C
Stainless Steel
3"
100mm
21"
500mm
0.059"
1.5mm
PFA
Bare Wire
IEC
Shielded
KMI Series
1289622

RoHS

Each
1+
$74.470
($85.6405)
5+
$72.260
($83.099)
10+
$67.820
($77.993)
25+
$62.690
($72.0935)
50+
$59.620
($68.563)
More Pricing...
Min: 1 / Mult: 1
K
-100°C
-
-
+1100°C
Stainless Steel
80"
2m
9.84"
250mm
0.059"
1.5mm
-
Bare Wire
IEC
Shielded
MA-ISK Series
1289623

RoHS

Each
1+
$75.650
($86.9975)
5+
$73.420
($84.433)
10+
$68.900
($79.235)
25+
$63.700
($73.255)
50+
$60.580
($69.667)
More Pricing...
Min: 1 / Mult: 1
K
-
-
-
+1100°C
Stainless Steel
80"
2m
21"
500mm
0.059"
1.5mm
-
Bare Wire
IEC
Shielded
MA-ISK Series
4248326

RoHS

Each
1+
$59.890
($68.8735)
10+
$58.420
($67.183)
25+
$53.250
($61.2375)
50+
$48.080
($55.292)
100+
$47.120
($54.188)
More Pricing...
Min: 1 / Mult: 1
K
-40°C
-
-
1100°C
Stainless Steel
-
-
9.84"
250mm
0.059"
1.5mm
-
Miniature Connector
-
Shielded
Type K
2771990

RoHS

Each
1+
$75.870
($87.2505)
10+
$74.580
($85.767)
25+
$67.990
($78.1885)
50+
$61.380
($70.587)
100+
$60.160
($69.184)
More Pricing...
Min: 1 / Mult: 1
J
-
-
-
750°C
Stainless Steel
40"
1m
9.84"
250mm
0.059"
1.5mm
PFA
Bare Wire
-
Shielded
-
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