Copper-based low resistance heating alloy wire
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- Shanghai
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- 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: Such as 6-ping line is the air conditioning line or what line, 4 level, 2.. 1.5 of it, please elaborate, thank you master! The The More
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- Q: I have a 12V electrical device connected with a positive and negative (ground) wire. It is not live. Let's say I connect a second positive cable to the first one. When I turn on the power on the first positive cablee, the device runs fine. What happens if I then also turn on power on the second positive cable? Thanks.
- not enough info. It isn't clear where that second wire is connected. if same source as the first, you really haven't done anything. If it is a different source, how is its return circuit completed? If you wiring is parallel, and both sources are identical but separate, then you basically double the maximum current but do not change the voltage. If you wire in circuit somehow, then you could double the voltage but do nothing to current. Basically, if you wire in a second power source, you increase the power available, and it is a question of whether that power comes from a voltage or current increase.
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- Sounds like a high-resistance connection (loose wire) somewhere, causing microscopic arcing, generating TV interference. For electrical fire, turn off the power. That removes the heat and the risk of electrocution. Then use whatever fire extinguisher you have for the materials that are on fire (water, baking soda, sand, smother with blanket, etc). Call fire department if you smell smoke or your smoke alarm is going off. They may have a thermal imaging camera that can see the heat caused by your electrical problem, if that's what it is.
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- there are wire printers available for that, such cable labeling is very convenient when tracking through some electrical installation with hundreds or thousands of wires. nothing beats an accurate schematic tho
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- If it is subject to physical damage (weed eater, mower) code requires it to be installed in conduit.
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- That's exactly what I did. Been working fine for several years now.
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- Check the fixture for correct polarity,the 'hot' wire goes to the black ballast wire. Also try high output neon fixtures which work better in lower temperatures
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- There are some relatively new codes on that. Go through the studs about in the center where you want them. After you have done that, there is a metal plate that should be nailed onto the stud where the hole is on the stud. Those are there to stop nailing where there is a possibility the nail might enter into the wiring and short out two wires.
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- The 3 wire feed could be a standard 110 volt wire with a white, a black, and a green wire. If that were the case, then yes, the black and white would complete the circuit to the light and outlet. However, the 3 wire line could also be a 220 volt line, in which case the result would be rapid destruction of the light and outlet, and then a subsequent fire. Not good. It's important to determine the power of the line: you'll need a meter to check it.
- Q: What are the red, blue, and green wires? Want to learn under the thank you Oh
- Yellow A phase (L1), green B phase (L2), red C phase (L3), black is zero line (N)
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Copper-based low resistance heating alloy wire
- Ref Price:
-
- 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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