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Thermocouple extension cable consists of conductors of the same nature as the elements of the thermocouple and which extends this to the thermocouples’ reference junction.
Commonly there are four types of insulation material for extension cable: fiberglass, Teflon, PVC and silicone. Stainless steel braided and tinned brass braided is also commonly used in the cable.
Customers from different areas possibly require different color style for the cable, all color standard are available upon request.
Thermocouple Cable is the wire which has the similar thermoelectric properties with thermocouple in a certain temperature range.
The thermocouple total potential value only relate to the temperature of hot end and reference junction without influence of intermediate temperature. So compensation could extend the heat to the meter terminal instead of expensive compensation wire.
It can be divided into the following categories by product type: SC, KC, KX, EX, JX, TX.
“X” represents the extension wire.
“C” represents the compensation wire.
“H” represents high temperature resistant.
“G” represents general,
“VV” represents PVC materials.
“F” represents F4 materials.
“B” represents glass fibers.
“P” represents metal shield.
Material Type | Continuous Operating Temp. / ℃ | Abrasion Resistance | Chemical Resistance | Moisture Resistance | Solvent Resistance | Flame Resistance |
B-GLASS FIBER | 260 | Good | Good | Fair | Good | Good |
G-GLASS FIBER | 510 | Poor | Good | Good | Excellent | Excellent |
Q-GLASS FIBER | 704 | Fair | Good | Good | Excellent | Excellent |