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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Length - Imperial
External Diameter
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
Conductor Area CSA
Analogue Outputs
Probe Length - Imperial
Probe Length - Metric
Probe Diameter - Imperial
Field of View (FOV)
Probe Diameter - Metric
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2887303

RoHS

Each
1+
kr335.570
5+
kr271.520
10+
kr248.030
Min: 1 / Mult: 1
150mm
-
J
-
-
-
-
6mm
-50°C
750°C
-
Stainless Steel
-
316 Stainless Steel
-
6.56ft
-
-
-
2m
-
-
5.9"
150mm
0.23"
-
6mm
PFA
-
Stripped Leads
IEC
Insulated
TPC
7081625

RoHS

Each
1+
kr383.480
Min: 1 / Mult: 1
-
-
K
-
0°C
-
-
-
-
-
+750°C
-
-
-
-
60"
-
-
-
1.5m
-
-
3.54"
90mm
0.158"
-
4mm
-
-
-
IEC
Shielded
-
3410329

RoHS

Pack of 5
1+
kr643.520
Min: 1 / Mult: 1
-
-
T
-
0°C
-
-
-
0°C
200°C
200°C
-
-
PFA
-
-
-
-
-
-
-
-
3.3ft
1m
0.02"
-
0.51mm
PFA
-
Stripped Leads
IEC
Unshielded
5TC Series
3410327

RoHS

Pack of 5
1+
kr1,481.000
Min: 1 / Mult: 1
-
-
E, J, K, T
-
-
-
-
-
0°C
260°C
-
-
-
-
-
-
-
-
-
-
-
-
80"
2m
0.01"
-
0.25mm
PFA
-
Stripped Leads
IEC
Unshielded
5TC Series
3410319

RoHS

Pack of 5
1+
kr1,628.000
Min: 1 / Mult: 1
-
-
K
-
0°C
-
-
-
0°C
482°C
-
-
-
Fibre Glass
-
-
-
-
-
-
-
-
6.6ft
2m
0.005"
-
0.13mm
Fiberglass
-
Stripped Leads
IEC
Unshielded
5TC Series
2772022

RoHS

Each
1+
kr224.540
Min: 1 / Mult: 1
-
-
K
-
-40°C
-
-
-
-
-
1100°C
-
-
Stainless Steel
-
3"
-
-
-
100mm
-
-
9.84"
250mm
0.059"
-
1.5mm
PFA
-
Bare Wire
-
Shielded
-
3514811

RoHS

Each
1+
kr376.130
Min: 1 / Mult: 1
-
-
K
-
-60°C
-
-
-
-
-
-
-
-
Glass Fibre, Stainless Steel
-
-
-
-
-
2m
-
-
-
100mm
-
-
4.76mm
Glassfiber
-
Bare Wire
IEC
Shielded
-
3795306

RoHS

Each
1+
kr675.920
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
0°C
650°C
650°C
-
-
Stainless Steel
-
80"
-
-
-
2m
-
-
0.5"
12.7mm
0.25"
-
6.35mm
Fiberglass
-
Stripped Leads
-
Shielded
TC-NPT Series
2772039

RoHS

Each
1+
kr374.410
Min: 1 / Mult: 1
-
-
T
-
-100°C
-
-
-
-
-
400°C
-
-
Stainless Steel
-
3"
-
-
-
100mm
-
-
6"
150mm
0.059"
-
1.5mm
PFA
-
Bare Wire
-
Shielded
-
2772010

RoHS

Each
1+
kr426.330
Min: 1 / Mult: 1
-
-
K
-
-40°C
-
-
-
-
-
1100°C
-
-
Nickel Chromium Iron
-
3"
-
-
-
100mm
-
-
80"
2m
0.118"
-
3mm
PFA
-
Bare Wire
-
Shielded
-
3815546
Each
1+
kr905.150
Min: 1 / Mult: 1
-
-
K
-
0°C
-
-
-
0°C
1150°C
1150°C
-
-
Inconel
-
60"
-
-
-
1.5m
-
-
24"
609.6mm
0.25"
-
6.35mm
-
-
-
-
-
KHIN Series
4073380

RoHS

Each
1+
kr293.840
10+
kr287.940
Min: 1 / Mult: 1
-
-
T
T
-
-
32.8ft
-
-
-
-
-
10m
-
-
32.8ft
-
-
-
10m
-
-
-
-
-
-
-
PVC (Polyvinylchloride)
-
Miniature Connector
IEC
-
EXT Series
4155806

RoHS

Each
1+
kr379.280
5+
kr371.670
Min: 1 / Mult: 1
-
-
K
-
-60°C
-
-
-
-
-
350°C
-
-
Stainless Steel
-
6.56ft
-
-
-
2m
-
-
-
-
-
-
-
Glassfiber
-
Miniature Connector
IEC
Shielded
-
4155973

RoHS

Each
1+
kr356.120
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
-
400°C
-
-
-
-
3.28ft
-
-
-
1m
-
-
0.157"
4mm
0.157"
-
4mm
Glassfiber
-
Bare Wire
ANSI
Shielded
-
4155781

RoHS

Each
1+
kr354.600
Min: 1 / Mult: 1
-
-
K
-
-50°C
-
-
-
-
-
350°C
-
-
Stainless Steel
-
6.56ft
-
-
-
2m
-
-
-
-
-
-
-
Glassfiber
-
Miniature Connector
JIS
Unshielded
-
4155739

RoHS

Each
1+
kr460.190
5+
kr432.780
10+
kr405.380
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
-
350°C
-
-
316 Stainless Steel
-
6.56ft
-
-
-
2m
-
-
1.575"
40mm
0.187"
-
4.76mm
Glassfiber
-
Bare Wire
JIS
Shielded
-
4073385

RoHS

Each
1+
kr272.630
Min: 1 / Mult: 1
-
-
N
N
-
-
16.4ft
-
-
-
-
-
5m
-
-
16.4ft
-
-
-
5m
-
-
-
-
-
-
-
PVC (Polyvinylchloride)
-
Miniature Connector
IEC
-
EXT Series
4073353

RoHS

Each
1+
kr219.830
10+
kr215.460
Min: 1 / Mult: 1
-
-
K
-
-60°C
-
-
-
-50°C
250°C
-
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
-
PTFE
-
Bare Wire
BS
Unshielded
-
4073464

RoHS

Each
1+
kr252.080
10+
kr247.050
Min: 1 / Mult: 1
-
-
K
-
-40°C
-
-
-
-
-
-
-
-
Inconel 600
-
3.94"
-
-
-
100mm
-
-
3.3ft
1m
0.12"
-
3mm
PFA
-
Bare Wire
ANSI
Shielded
-
4156037

RoHS

Each
1+
kr410.810
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
-
350°C
-
-
Stainless Steel
-
6.56ft
-
-
-
2m
-
-
-
-
-
-
-
Glassfiber
-
Bare Wire
JIS
-
-
4318126

RoHS

Each
1+
kr681.740
5+
kr639.990
10+
kr570.190
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
0°C
800°C
800°C
-
-
Inconel 600
-
3.281ft
-
-
-
1m
-
-
5.905"
150mm
0.039"
-
1mm
-
-
-
-
-
MPFA Series
4294214

RoHS

Each
1+
kr835.700
5+
kr736.260
10+
kr697.100
25+
kr657.940
50+
kr644.810
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-75°C
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
-
-
5.91"
150mm
0.12"
-
3mm
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4318157

RoHS

Each
1+
kr152.710
10+
kr140.030
25+
kr129.210
50+
kr120.030
100+
kr112.050
More Pricing...
Min: 1 / Mult: 1
-
-
N
-
0°C
-
-
-
0°C
600°C
-
-
-
-
-
9.843ft
-
-
-
3m
-
-
-
-
-
-
-
-
-
-
-
-
MPFA Series
4318130

RoHS

Each
1+
kr631.850
5+
kr593.220
10+
kr528.470
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
4294225

RoHS

Each
1+
kr846.770
5+
kr745.970
10+
kr706.350
25+
kr666.620
50+
kr653.260
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-75°C
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
-
-
1.97"
50mm
0.24"
-
6mm
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
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