Copper-based low resistance heating alloy wire
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100000 m
- Supply Capability:
- 1000000 m/month
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Thermocouple Wire
A Thermocouple is a temperature measuring device consisting of two conductors of dissimilar metals or alloys that are connected only at the ends. When the ends are at different temperatures a small voltage is produced in the wire that can be related directly to the temperature difference between the ends. If the temperature at one end is known, the temperature at the other end can be determined.
Application:
Thermocouple wire or extension grade wire is recommended to be used to connect thermocouples to the sensing or control instrumentation. The conditions of measurement determine the type of thermocouple wire and insulation to be used. Temperature range, environment, insulation requirements, response, and service life should be considered.
What do we have?
Thermocouple wire ( extension/compensation/compensating):
Type: K, T, N, E, J, L, B, R, S
Insulation or jacket: PVC, Telflon, PFA; Silicon rubber, Fiberglass, Quartz Fibre.
Sheild: Tin-coated copper braid/Stainless steel braid sheild.
Calibration Type Characteristics
Type J (Iron vs Constantan) is used in vacuum, oxidizing, inert or reducing atmospheres. Iron element oxidizes rapidly at temperatures exceeding 1000ºF (538ºC), and therefore heavier gauge wire is recommended for longer life at these temperatures.
Type K (CHROMELvs ALUMEL) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
Type T (Copper vs Constantan) is used for 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.
Type E (CHROMELvs Constantan) may be used in oxidizing, inert or dry reducing atmospheres, or for short periods of time under vacuum. Must be protected from sulfurous and marginally oxidizing atmospheres. Produces the highest EMF per degree of any standardized thermocouple.
Type N (Nicrosilvs Nisil) is used in oxidizing, inert or dry reducing atmospheres. Must be protected from sulfurous atmospheres. Very reliable and accurate at high temperatures.
Do you provide free samples?
Yes, we can provide a free sample for testing, If we have sample in stock, The quantity based on the material type, The buyer should bear all the shipping costs.
Please feel free to send us a inquiry and we are looking forward to cooperating with you!
Before you send us a inquiry, please confirm the following information
1. Alloy grade
2. Dimensions of the alloys
3. Surface requirements
4. Size tolerance requirement
5. Quantities
6. Package request
7. Specific end use
8. Other information that may be useful in supplying the most suitable products
Color code & initial calibration tolerances for thermocouple wire: | ||||||
Thermocouple Type | ANSI Color Code | Initial Calibration Tolerances | ||||
Wire Alloys | Calibration | +/- | Overall | Temperature Range | Standard | Special |
Conductor | Limits | Limits | ||||
CHROMEL(+) vs. | K | Yellow/Red | Brown | -200° C to -110° C | ± 2% | ± 1.1° C |
ALUMEL(-) | -110° C to 0° C | ± 2.2° C | ± . 4% | |||
0° C to +285° C | ± 2.2° C |
FB-FB-SSB Physical Properties | ||||||
Characteristics | ||||||
Specific Gravity | Insulation | Overall | ||||
Tensile Strength; psi (min) | 2.54 | 2.54 | ||||
Elongation; %(min) | 250, 000 at 1000& deg; F(537° C ) | 250, 000 at 1000& deg; F(537° C ) | ||||
Minimum Bend Radius | 4.8 | 4.8 | ||||
Abrasion Resistance | 5x O. D. | 10x O. D. | ||||
Cut Through Resistance | Good | Good | ||||
Moisture Resistance | Very Good | Excellent | ||||
Solder Iron Resistance | Good | Good | ||||
Service Temperature | Excellent | Excellent | ||||
Flame Test | 260° C continuous 343° C single exposure | 260° C continuous 537° C | ||||
single exposure | ||||||
Non-flammable | Non-flammable |
Thermocouple variety and index | Measurement range C | |
Variety | Index | |
PtRh30-PtRh6 | B | 600~1700 |
PtRh13-Pt | R | 0~1600 |
PtRh10-Pt | S | 0~1600 |
NiCr-NiSi | K | -200~1300 |
NiCr-CuNi (constantan) | E | -200~900 |
Fe-CuNi (constantan) | J | -40~750 |
Cu-CuNi (constantan) | T | -200~350 |
NiCrSi-NiSi | N | -200~1300 |
NiCr-AuFe0.07 | NiCr-AuFe0.07 | -270~0 |
- Q:I have an pump that I am trying to wire but the pump wire colors and the incoming plug wire colors are different. The old plug has a black wire, white wire, and green wire. There is a green screw which I know mounts the ground wire; however, the pump has a yellow wire with black stripe and a brown solid wire. Does the white wire match up with the yellow/black striped wire and the brown with the black wire?Thanks
- Pump for what? Brown and yellow are often colors to identify 480vac systems. Not that I would think for one second you have 480vac at your house but the voltage requirements for different motors vary and the pump is most likely governed by a motor. I would say check the rating in the sheetwork or listed on the pump and if its the same voltage requirements of your old one then I would wire it the way you intend.
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Copper-based low resistance heating alloy wire
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100000 m
- Supply Capability:
- 1000000 m/month
OKorder Service Pledge
OKorder Financial Service
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