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Name: | Kapton Type T Extension Cable PFA Tape Backaed | Conductor Type: | + Copper -Constantan |
---|---|---|---|
Size: | 0.22R(7/0.2mm) | Insulation: | Kapton+PFA Tape |
Application: | Thermocouple Extension Cable | Package: | Plywood Spool+ Plywood Case |
Feature: | Small Diameter | ||
Highlight: | k type thermocouple cable,thermocouple bare wire,thermocouple extension wire |
Kapton Type T Extension Cable PFA Tape Backaed ANSI Standard Color Small Diameter
TYPE T (Copper vs Constantan) is used or service in oxidizing, inert or reducing atmospheres or in vacuum. It is highly resistant to corrosion from atmospheric moisture and condensation and exhibits high stability at low temperatures. It is the only type with limits of error guaranteed for cryogenic temperatures.
1. Chemical Composition
Material | Chemical composition (%) | ||||
Ni | Cu | Si | Iron | Al | |
TP(Copper) | 100 | ||||
TN(Constantan) | 45 | 55 |
2. Physical Properties and Mechnical Properties
Material |
Density(g/cm3) |
Melting point(℃) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
TP(Copper) | 8.9 | 1084 | >196 | 1.71(20℃) | >30 |
TN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
Thermocouple Cable Grade
A: Extension Grade Cable
Whose wire composition is totally as the same as the thermocouple wire, remarked by the letter“X”after the thermocouple symbol number, such as“KX”“JX”“TX”
B: Compensation Grade Cable
Whose wire composition is different from the thermocouple wire, but its wire electromotive force (EMF) value is the same as thermocouple wire only at 0-100℃ or 0-200℃. It remarked by the letter“C”after the thermocouple symbol number, such as“KC”“JC”“TC”
Performance |
Extension Grade | Compensation Grade |
Material |
Same as thermocouple | Different from thermocouple |
EMF Value Feature | Same as the thermocouple’s at certain temperature range | Same as the thermocouple’s |
Deviation Curve | Nonlinear, varies with temperature |
Linear |
Working Temperature Range | Limited(usual at 100℃) | Unlimited(depend on insulation material temperature bearing) |
Line Resistance | Low resistance | High resistance |
Compensation Contact Interference | Different contactor material may cause interference |
None |
Accuracy |
Low |
High |
Price |
Low |
High(about 1-2 times higher) |
For the extension/compensation cable, the basic structure is conductor and insulation.
To increase its temperature bearing ability and to install easily, jacket is applicable.
In the working environment, there are too much factors will interference the EMF signal, therefore shield layer is practical way to prevent the cable from interference caused by complex environment.
ReF. The Short Name for Materials
Type | Insulation material | CODE | Inner Shielding | CODE | JACKET | CODE |
K | FEP | FP | FEP | FP | ||
T | PFA | FA | Al foil | AL | PFA | FA |
E | PVC 70℃ | LP | copper wire | CU | PVC 70℃ | LP |
J | PVC 105℃ | HP | Tinned copper | TC | PVC 105℃ | HP |
N | Fiberglass 400℃ | BL | Nickel plated copper | NC | Fiberglass 400℃ | BL |
SC | Fiberglass600℃ | BM | Silver plated copper | AC | Fiberglass600℃ | BM |
Fiberglass700℃ | BH | Fiberglass700℃ | BH | |||
MICA FIBER 650℃ | MA | |||||
KCA | Vitreous Silica 800℃ | VS | SS 304 wire | SS | Vitreous Silica 800℃ | VS |
KCB | Silica fiber1000℃ | SV | Inconel 600 wire | 600 | Silica fiber1000℃ | SV |
RTD | Ceramic fiber1200℃ | CF | Inconel 625 wire | 625 | Ceramic fiber1200℃ | CF |
PTFE | PT | PTFE | PT | |||
ETFE | ET | ETFE | ET | |||
KAPTON | KP | KAPTON | KP | |||
Silicone rubber | SR | Silicone rubber | SR | |||
Rubber | RU | Rubber | RU | |||
PE | PE | PE | PE |
Contact Person: Mr. Qiu
Tel: +8613795230939