High Temp. Wolfram Rhenium Filament Thermocouple Wire Bare Wire WRe5/26 WRe3/25

Description

Wolfram
Rhenium
thermocouple wire
WRe3/25        Wre5/26
(Note:The default wire diameter is 0.5mm)
if you need other size(diameter and length),pleas contact us,we can
custom-made any size that you need, and we can send out your order within 3 days!
other
diameter:
0.08mm , 0.1mm, 1mm, 1.5mm, 2mm, etc.
length:
any length
Characteristics：
Tungsten Rhenium thermocouple Wire melting point: 3,120-3,360 ℃, can be used up to 3,000 ℃, it is the most high temperature resistant metal thermocouple.
It has high thermoelectric potential, high sensitivity, insoluble in any independent acid.
The name and the score number:
1. Name: Tungsten rhenium 3-tungsten rhenium 25; Tungsten rhenium 5-Tungsten Rhenium 26
2. Score number: WRe3-Wre25; Wre5-Wre26
Parameters:
Grade
Specifications (
￠
m)
Usage temperature range
Allowable error
Special
0.1
1400-1800
℃
≤±
0.128%
Ⅰ
0.1, 0.25, 0.5
1200-1800
℃
≤±
0.25%
Ⅱ
0.1, 0.25, 0.5
1200-1800
℃
≤±
0.50%
Ⅲ
0.25,0.5
0-400
℃
400-2,300
℃
≤±
4
℃
≤±
1%
Description:
The positive electrode is WRe3 red; negative electrode is Wre25 blue.
Score point: When cold end is 0 ℃, hot end score is 100, 1000, 1200, 1400, 1600, 2000℃. (For higher requirements, please contact us). ￠0.1mm wire with 1554 ℃ Palladium fixed point calibration.  Using pure platinum wire 1769 ℃ calibration for form experiments.
Uniformity: at 1200 ℃, uneven potential  of unipolar head to tail is ≤±40 micro-volt.
Flexibility: The filament, after stable annealing, can be self-winding six laps not to break.
Hot Spot Welding method: slightly heat the positive and negative pole together with pliers clamped on the alcohol lamp, tighten 3-5 laps, welding with argon arc into spherical.
Tungsten Rhenium thermocouple bare wire can only be used in vacuum, argon and inert atmosphere for a long time; in the oxidation atmosphere need to be armored or with impermeable high-temperature protection tube to isolate the air for long-term use.
Storage mode: Filament is packaged with waterproof and moisture-proof packaging bag. For long-term preservation, it should be placed in a glass drying cylinder equipped with silicone desiccant.
Shipping:
Your items will be shipped out Within 2 days after you place the order. The shipping time is about 1~2 weeks!
Make sure to provide sufficient information to help us make a smoothly delivery. Please attached your
telephone number
(only for shipping purposes) and physical addreaa(
No P.O.Box address
) when you pay, so that we can post your package safety and smoothly.