Solid Constantan Wire Type E/J/T Thermocouple Cable

Product Overview

Description

Solid Constantan Wire Type E/J/T Thermocouple Cable 

 

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	Cr	Cu	Mn	Al
TP(Copper)			100
TN(Constantan)	45		55

2. Physical properties and Mechnical properties

Material	Density(g/cm3)	Melting point(ºC)	Tensile Strength(Mpa)	Volume resistivity(μΩ.cm)	Elongation rate (%)
TP(Copper)	8.9	1084	>196	1.71(20ºC)	>30
TN(Constantan)	8.8	1220	>390	49.0(20ºC)	>25

 

3. EMF Value range at different temperature

Material	EMF value Vs Pt(μV)
	-196ºC	-79ºC	100ºC	150ºC	200ºC	250ºC
TP(Copper)	-212	-332	761~785	1263~1287	1825~1849	2450~2474
TN(Constantan)	-5327	-2426	3493~3517	5412~5448	7420~7582	9507~9595

 

EMF value Vs Pt(μV)
300ºC	350ºC	400ºC	500ºC	600ºC
3137~3161	3880~3904
11655~11771	13864~13988

4. MAIN CHARACTERISTICS OF OUR THERMOCOUPLE ALLOYS

TYPE J (Iron vs Constantan) is used in vacuum, oxidizing, inert or reducing atmospheres. Iron element oxidizes rapidly at temperatures exceeding 538'C, and therefore heavier gauge wire is recommended for longer life at these temperatures.

TYPE K (CHROMEL vs 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 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.

TYPE E (CHROMEL vs 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 oxidizingatmospheres. Produces the highest EMF per degree o any standardized thermocouple.

Type N thermocouple (Ni Cr Si-Ni Si Mg) is the latest base metal thermocouple, developed to improve the drawbacks that type K thermocouple has. The main chemical composition of positive leg Nicrosil(NP) is Ni: Cr: Si≈84.4: 14.2: 1.4; negative leg Nisil (NN) is Ni: Si: Mg≈95.5: 4.4: 0.1. Type N thermocouple also be used in the similar atmospheres that type K works, and the operating temperature range is -200~1300 °C.

 

APPLICATION:

 

 

Products&Package

 

 

FAQ:

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.

2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.