Thermocouples

Iron-Constantan Thermocouples (Type J)

Iron-constantan thermocouples are low cost devices used to measure temperatures to 800 degrees C. These iron-constantan thermocouples are often referred to as J thermocouples and are the standard thermocouples used in gas chromatographs, mass spectrometers, and other laboratory and industrial equipment. The smaller the diameter of the thermocouple wires the faster the response time but the more limited the temperature range and structural strength of the thermocouple. All thermocouples are supplied with 12 inch leads. Two styles are available, i.e. bare wire thermocouples and ceramic insulated thermocouples. The bare wire style contain no insulation of any kind on the bare thermocouple wires. The insulated style contains a 2 hole by 6 inch length of ceramic insulating tube. This insulates the thermocouple leads and prevents their shorting out. If desired, the ceramic tubes can be cut or broken to shorter lengths.

In addition to the iron-constantan thermocouples, S.I.S. can supply other types and configurations of thermocouples. Call or write with your requirements. 

S.I.S. has made a variety of different styles and types of thermocouples. 

Iron-constantan thermocouple, UOM=EA
Part No.	Description	Wire Diameter (in)	Ceramic Diameter (in)	ship wt.	Quantity In Stock	Price	Quantity to order
TH1	bare	0.032	---	0.25	0(#)	$9.50
TH2	bare	0.020	---	0.25	0(#)	$9.50
TH3	bare	0.015	---	0.25	0(#)	$9.50
TH4	bars	0.010	---	0.25	0(#)	$9.50
TH5	bare	0.005	---	0.25	0(#)	$9.50
TH1C	insulated	0.032	0.125	0.25	0(#)	$22.00
TH2C	insulated	0.020	0.125	0.25	0(#)	$22.00
TH3C	insulated	0.015	0.125	0.25	0(#)	$22.00
TH4C	insulated	0.010	0.125	0.25	0(#)	$22.00
TH5C	insulated	0.005	0.062	0.25	1	$22.00
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

Dupont Mass Spectrometer Thermocouple

This thermocouple for the Dupont 21-490 series mass spectrometer has a loop at the end for easy attachment by a screw to the mass spec source.

Constructed from:

0.012" dia.  Thermocouple wire.

Loop dia. is 0.07" I.D. to fit a #0-80 screw. Two hole ceramic insulator is 1.0" long by 0.125" diameter.

Part No.	Description	UOM	ship wt.	Quantity In Stock	Price	Quantity to order
294472	Dupont thermocouple	EA	0.2	0(#)	$31.50
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

Type K Thermocouples

Type K thermocouple, UOM=EA
Part No.	Description	Wire Diameter (in)	Ceramic Diameter (in)	ship wt.	Quantity In Stock	Price	Quantity to order
THK1	bare	0.020	---	0.25	0(#)	$9.50
THK2	bare	0.010	---	0.25	0(#)	$9.50
THK3	bare	0.005	---	0.25	0(#)	$9.50
THK1C	insulated	0.020	0.125	0.25	0(#)	$22.00
THK2C	insulated	0.010	0.125	0.25	0(#)	$22.00
THK3C	insulated	0.005	0.062	0.25	0(#)	$22.00
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

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ADDRESS: Scientific Instrument Services, 1027 Old York Rd., Ringoes, NJ 08551.