Connection Type Connection Type |
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Body Material Body Material |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Thermocouple Connectors
Flat-Pin Male Connector
Flat-Pin Female Connector
Round-Pin Male Connector
Round-Pin Female Connector
Add these connectors to thermocouple wire for easy attachment to thermometers and control panels.
Connectors with exposed screw terminals let you quickly attach wire leads without disassembling the connectors.
For technical drawings and 3-D models, click on a part number.
Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thermocouple Type | No. of Connections | For Max. Wire Gauge | Max. Temperature, ° F | Color | Pin Lg. | Distance Between Pins | Body | Contact | Each | |
Flat-Pin Male Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 24 | 400° | Black | 1/2" | 0.313" | Plastic | Iron | 0000000 | 00000 |
| J | 1 | 24 | 800° | Red | 1/2" | 0.313" | Plastic | Iron | 0000000 | 0000 |
| K | 1 | 24 | 400° | Yellow | 1/2" | 0.313" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 24 | 800° | Red | 1/2" | 0.313" | Plastic | Nickel | 0000000 | 0000 |
| T | 1 | 24 | 400° | Blue | 1/2" | 0.313" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 24 | 800° | Red | 1/2" | 0.313" | Plastic | Copper | 0000000 | 0000 |
Flat-Pin Female Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 24 | 400° | Black | __ | 0.313" | Plastic | Iron | 0000000 | 0000 |
| J | 1 | 24 | 800° | Red | __ | 0.313" | Plastic | Iron | 0000000 | 0000 |
| K | 1 | 24 | 400° | Yellow | __ | 0.313" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 24 | 800° | Red | __ | 0.313" | Plastic | Nickel | 0000000 | 0000 |
| T | 1 | 24 | 400° | Blue | __ | 0.313" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 24 | 800° | Red | __ | 0.313" | Plastic | Copper | 0000000 | 0000 |
Round-Pin Male Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 14 | 400° | Black | 9/16" | 0.438" | Plastic | Iron | 0000000 | 0000 |
| J | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Iron | 0000000 | 00000 |
| K | 1 | 14 | 400° | Yellow | 9/16" | 0.438" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Nickel | 0000000 | 00000 |
| T | 1 | 14 | 400° | Blue | 9/16" | 0.438" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Copper | 0000000 | 00000 |
Exposed Screw Terminals | ||||||||||
| J | 1 | 14 | 400° | Black | 9/16" | 0.438" | Plastic | Iron | 0000000 | 0000 |
| J | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Iron | 0000000 | 00000 |
| J | 1 | 14 | 1000° | White | 1/2" | 0.442" | Ceramic | Iron | 0000000 | 0000 |
| K | 1 | 14 | 400° | Yellow | 9/16" | 0.438" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Nickel | 0000000 | 00000 |
| K | 1 | 14 | 1000° | White | 1/2" | 0.442" | Ceramic | Nickel | 0000000 | 0000 |
| T | 1 | 14 | 400° | Blue | 9/16" | 0.438" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 14 | 800° | Red | 9/16" | 0.438" | Plastic | Copper | 0000000 | 00000 |
| T | 1 | 14 | 1000° | White | 1/2" | 0.442" | Ceramic | Copper | 0000000 | 0000 |
Round-Pin Female Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 14 | 400° | Black | __ | 0.438" | Plastic | Iron | 0000000 | 0000 |
| J | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Iron | 0000000 | 00000 |
| K | 1 | 14 | 400° | Yellow | __ | 0.438" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Nickel | 0000000 | 00000 |
| T | 1 | 14 | 400° | Blue | __ | 0.438" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Copper | 0000000 | 00000 |
Exposed Screw Terminals | ||||||||||
| J | 1 | 14 | 400° | Black | __ | 0.438" | Plastic | Iron | 0000000 | 0000 |
| J | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Iron | 0000000 | 00000 |
| J | 1 | 14 | 1000° | White | __ | 0.442" | Ceramic | Iron | 0000000 | 0000 |
| K | 1 | 14 | 400° | Yellow | __ | 0.438" | Plastic | Nickel | 0000000 | 0000 |
| K | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Nickel | 0000000 | 00000 |
| K | 1 | 14 | 1000° | White | __ | 0.442" | Ceramic | Nickel | 0000000 | 0000 |
| T | 1 | 14 | 400° | Blue | __ | 0.438" | Plastic | Copper | 0000000 | 0000 |
| T | 1 | 14 | 800° | Red | __ | 0.438" | Plastic | Copper | 0000000 | 00000 |
| T | 1 | 14 | 1000° | White | __ | 0.442" | Ceramic | Copper | 0000000 | 0000 |
Bayonet-Style Thermocouple Adapters
Attach thermocouple probes with a bayonet connection to a threaded connection.
For technical drawings and 3-D models, click on a part number.
| Overall Lg. | Body Material | Each | |
1/8 NPT Male | |||
|---|---|---|---|
| 7/8" | Stainless Steel | 0000000 | 00000 |
| 1 1/4" | Stainless Steel | 0000000 | 0000 |
| 1 1/2" | Stainless Steel | 0000000 | 0000 |
| 2" | Stainless Steel | 0000000 | 0000 |
| 2 1/4" | Stainless Steel | 0000000 | 0000 |
| 2 1/2" | Stainless Steel | 0000000 | 0000 |
| 3 1/2" | Stainless Steel | 0000000 | 0000 |
3/8"-24 UNF Male | |||
| 7/8" | Stainless Steel | 0000000 | 0000 |
| 1 1/2" | Stainless Steel | 0000000 | 00000 |
| 1 3/4" | Stainless Steel | 0000000 | 00000 |
| 2 1/2" | Stainless Steel | 0000000 | 00000 |
| 3 1/2" | Stainless Steel | 0000000 | 00000 |
Thermocouple Adapters
Convert round-pin male connectors to flat-pin male connectors.
For technical drawings and 3-D models, click on a part number.
Panel-Mount Thermocouple Connectors
Flat-Pin Connector
Round-Pin Connector
Plug thermocouple probes into a control panel.
For technical drawings and 3-D models, click on a part number.
Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thermocouple Type | No. of Connections | For Max. Wire Gauge | Max. Temperature, ° F | For Panel Cutout Dia. | Color | Body | Contact | Fasteners Included | Each | |
Flat-Pin Female Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 20 | 400° | 7/8" | Black | Plastic | Iron | Yes | 0000000 | 000000 |
| K | 1 | 20 | 400° | 7/8" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| T | 1 | 20 | 400° | 7/8" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
Round-Pin Female Connector | ||||||||||
Screw Terminals | ||||||||||
| J | 1 | 14 | 400° | 1 1/8" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| K | 1 | 14 | 400° | 1 1/8" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| T | 1 | 14 | 400° | 1 1/8" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
Threaded Thermocouple Connectors
Flat-Pin Connector
Round-Pin Connector
Also known as feedthrough connectors, these mount through threaded tank openings to make connections between thermocouple probes and external equipment.
For technical drawings and 3-D models, click on a part number.
Process | Wire Lead | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thermocouple Type | No. of Connections | Temperature Range, ° F | Pipe Size | Thread Type | Gender | Gauge | Lg. | Insulation Material | Jacket Material | Body Material | Each | |
Flat-Pin Female Connector | ||||||||||||
Screw Terminals | ||||||||||||
| J | 1 | -40° to 250° | 1/2 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 000000 |
| K | 1 | -40° to 250° | 1/2 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 00000 |
| T | 1 | -40° to 250° | 1/2 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 00000 |
Round-Pin Female Connector | ||||||||||||
Screw Terminals | ||||||||||||
| J | 1 | -40° to 250° | 3/4 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 00000 |
| K | 1 | -40° to 250° | 3/4 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 00000 |
| T | 1 | -40° to 250° | 3/4 | NPT | Male | 24 | 48" | PTFE | PTFE | Stainless Steel | 00000000 | 00000 |
Panel-Mount Thermocouple Connection Strips
Flat-Pin Strip
Round-Pin Strip
Connect multiple thermocouple probes to an instrument panel.
For technical drawings and 3-D models, click on a part number.
For Panel Cutout | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thermocouple Type | No. of Connections | For Max. Wire Gauge | Max. Temperature, ° F | Wd. | Ht. | Color | Body | Contact | Fasteners Included | Each | |
Flat-Pin Female Connector | |||||||||||
Screw Terminals | |||||||||||
| J | 2 | 24 | 400° | 1 1/4" | 1" | Black | Plastic | Iron | Yes | 0000000 | 000000 |
| J | 4 | 24 | 400° | 2 5/8" | 1" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J | 6 | 24 | 400° | 4" | 1" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J | 8 | 24 | 400° | 5 3/8" | 1" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J, K, T | 2 | 24 | 400° | 1 1/4" | 1" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 4 | 24 | 400° | 2 5/8" | 1" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 6 | 24 | 400° | 4" | 1" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 8 | 24 | 400° | 5 3/8" | 1" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| K | 2 | 24 | 400° | 1 1/4" | 1" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 4 | 24 | 400° | 2 5/8" | 1" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 6 | 24 | 400° | 4" | 1" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 8 | 24 | 400° | 5 3/8" | 1" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| T | 2 | 24 | 400° | 1 1/4" | 1" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 4 | 24 | 400° | 2 5/8" | 1" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 6 | 24 | 400° | 4" | 1" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 8 | 24 | 400° | 5 3/8" | 1" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
Round-Pin Female Connector | |||||||||||
Screw Terminals | |||||||||||
| J | 2 | 16 | 400° | 1 5/16" | 1 1/4" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J | 4 | 16 | 400° | 2 13/16" | 1 1/4" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J | 6 | 16 | 400° | 4 5/16" | 1 1/4" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J | 8 | 16 | 400° | 5 13/16" | 1 1/4" | Black | Plastic | Iron | Yes | 0000000 | 00000 |
| J, K, T | 2 | 16 | 400° | 1 5/16" | 1 1/4" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 4 | 16 | 400° | 2 13/16" | 1 1/4" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 6 | 16 | 400° | 4 5/16" | 1 1/4" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| J, K, T | 8 | 16 | 400° | 5 13/16" | 1 1/4" | __ | Plastic | __ | Yes | 00000000 | 00000 |
| K | 2 | 16 | 400° | 1 5/16" | 1 1/4" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 4 | 16 | 400° | 2 13/16" | 1 1/4" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 6 | 16 | 400° | 4 5/16" | 1 1/4" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| K | 8 | 16 | 400° | 5 13/16" | 1 1/4" | Yellow | Plastic | Nickel | Yes | 0000000 | 00000 |
| T | 2 | 16 | 400° | 1 5/16" | 1 1/4" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 4 | 16 | 400° | 2 13/16" | 1 1/4" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 6 | 16 | 400° | 4 5/16" | 1 1/4" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
| T | 8 | 16 | 400° | 5 13/16" | 1 1/4" | Blue | Plastic | Copper | Yes | 0000000 | 00000 |
Thermocouple Extension Wire with Connectors
Solid Wire with Flat-Pin Male × Female Connector
Solid Wire with Flat-Pin Male × Male Connector
Solid Wire with Round-Pin Male × Female Connector
Stranded Wire with Flat-Pin Male × Female Connector
Stranded Wire with Flat-Pin Male × Male Connector
Extend the reach of your thermocouple probe—plug-in connectors on both ends of this wire speed up installation.
Stranded wire is more flexible than solid wire.
Wire | Material | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thermocouple Type | Temperature Range, ° F | Lg., ft. | Gauge | Dia. | Insulation | Jacket | Max. Jacket Temperature, ° F | Each | |
Solid Wire | |||||||||
Flat-Pin Male × Flat-Pin Female Connector | |||||||||
| J | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 000000 |
| J | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| J | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
Flat-Pin Male × Flat-Pin Male Connector | |||||||||
| J | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| J | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| J | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| K | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| K | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| K | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| T | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| T | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
| T | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 0000000 | 00000 |
Round-Pin Male × Round-Pin Female Connector | |||||||||
| J | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| J | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| J | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| K | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 10 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 25 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
| T | -15° to 220° | 50 | 24 | 0.17" | PVC | PVC | 220° | 00000000 | 00000 |
Stranded Wire | |||||||||
Flat-Pin Male × Flat-Pin Female Connector | |||||||||
| J | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 00000000 | 00000 |
| K | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 00000000 | 00000 |
| T | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 00000000 | 00000 |
Flat-Pin Male × Flat-Pin Male Connector | |||||||||
| J | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 0000000 | 00000 |
| K | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 0000000 | 00000 |
| T | -30° to 220° | 5 | 28 | 0.165" | PTFE | Polyurethane | 220° | 0000000 | 00000 |
Thermocouple Signal Converters
Convert thermocouple probe signals to a 4-20 mA signal for use with switches and controllers.
Head Mount
Head Mount
| Temp. Range, °F | Dia. | Dp. | DC Voltage Range | Housing Material | For Max. Wire Gauge | Each | |
For Probe Type J | |||||||
|---|---|---|---|---|---|---|---|
| 32° to 572° | 1 11/16" | 13/16" | 12 to 36 | Plastic | 26 | 00000000 | 000000 |
| 32° to 1292° | 1 11/16" | 13/16" | 12 to 36 | Plastic | 26 | 00000000 | 00000 |
For Probe Type K | |||||||
| 32° to 1112° | 1 11/16" | 13/16" | 12 to 36 | Plastic | 26 | 00000000 | 00000 |
| 32° to 2192° | 1 11/16" | 13/16" | 12 to 36 | Plastic | 26 | 00000000 | 00000 |
Panel Mount
Panel Mount
For Panel Cutout | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. Range, °F | DIN Trade Size | Ht. | Wd. | Ht. | Wd. | Dp. | AC Voltage (Phase) | Frequency, Hz | Housing Material | Display | Resolution | For Max. Wire Gauge | Each | |
For Probe Type J | ||||||||||||||
| -238° to 1400° | 1/8 | 1 3/4" | 3 5/8" | 1 7/8" | 3 7/8" | 6 1/16" | 120, 240 (Single) | 60 | Aluminum | LCD | 1 | 26 | 00000000 | 0000000 |
For Probe Type K | ||||||||||||||
| -58° to 1999° | 1/8 | 1 3/4" | 3 5/8" | 1 7/8" | 3 7/8" | 6 1/16" | 120, 240 (Single) | 60 | Aluminum | LCD | 1 | 26 | 00000000 | 000000 |