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Tungsten rhenium fast thermocouple |
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The product has passed ISO-9002 quality system certification and national quality management standard enterprise certification The product has high precision, wide temperature measurement range, low price, and meets the standards of YB4084-92 and YB/T163-1999 for rapid measurement of metal melt temperature thermocouples
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| name |
model |
Measuring range |
Accuracy (℅ t) |
loop resistance |
insulation resistance |
| Tungsten Rhenium 3-Tungsten Rhenium 25 |
KW-602 |
0-2000℃ |
≤±0.25 |
<3Ω |
≥5MΩ
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| Length: 500.600.850.1000mm |
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Platinum rhodium rapid thermocouple |
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| Platinum rhodium rapid temperature measuring thermocouple, with advanced technology and stable and excellent quality, is not only widely used in major steel mills in China, but also exported in large quantities to various European countries every year. |
1、 Reference standards
1Product standard: YB/T163-1999 (Thermocouple for consumable rapid measurement of metal melt temperature).
2. Wire standard: S type: GB/T3772-98 R type: GB/T1598-98 B type: GB/T2902-98
3. Compensation wire standard: GB/T4989-94 (S-type) R-type thermocouple compensation wire)
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| ●Product Name, Model, and Technical Parameters: |
| name |
graduation mark |
Model |
temperature upper limit |
Allowable deviation |
loop resistance |
| Platinum rhodium 10- Platinum |
S |
KS—602 |
1650℃ |
≤±5℃ |
<3Ω |
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Platinum rhodium13- Platinum
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R |
KR—602 |
1650℃ |
≤±5℃ |
<3Ω |
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Platinum rhodium30 Platinum Rhodium 6
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B |
KB—602 |
1800℃ |
≤±5℃ |
<3Ω |
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●Product length:
My head: 500.600.850.1000m
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Fast thermocouple temperature gun and temperature gun head
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| The positive, negative, and lead wires of the plug core in the temperature measuring gun head are all made of compensation type, that is, corresponding compensation wire materials, so they are divided into SC (RC) type, BC type, and WC3/25 type. Used separately for rapid temperature measurement thermocouples of platinum rhodium 10 platinum (platinum rhodium 13 platinum), platinum rhodium 30 platinum rhodium 6, and tungsten rhenium 3-tungsten rhenium 25. The outer diameter of the thermometer is Φ 16mm (customized for special sizes), and the length ranges from 1 meter to 4.5 meters. |
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Thermocouple compensation wire
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Compensation wire standard execution: GB/T4989-94 (S.R type thermocouple)
JB/T9496-99(WRe3/25 thermocouple) (WRe5/26 thermocouple)
●Thermoelectric characteristics of compensating wires
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| Compensation wire model |
Equipped with thermocouple index number |
100℃ potential nominal value UV |
200 ℃ potential nominal value UV |
Allowable deviation |
material |
| Precision grade |
Common |
Positive grade |
Negative level |
| SC RC |
S R |
645 |
1440 |
±10uv |
±60uv |
Cu |
Cu—Ni |
| WC3/25 |
WRe3/25 |
1145 |
2602 |
±20uv |
±48uv |
Cu |
Cu—Ni |
| BC |
B |
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Cu |
Cu |
| WC5/26 |
WRe5/26 |
1451 |
3089 |
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±51uv |
Cu |
Cu—Ni |
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●Compensation wire specifications
Fast thermocouples use 0.4 x1.0 millimeters, typically with a wire core of 1.0 square millimeters and an outer diameter of 5.1 x8.0 millimeters. Heat resistant wire cores use 1.0 square millimeters and an outer diameter of 3.1 x5.6 millimeters.
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The steel sampler can achieve rapid sampling of steel, model: 1. KQY-01, with deoxidizer inside. 2．KQY—02， There is no deoxidizer inside. Take out the sample with a size of Φ 32.5x13mm, with a full interior and smooth surface, a total length of 964mm, and a handle paper tube of Φ 32x17mm. It is also equipped with a magnetic grinding fixture, which is very convenient to use.
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Intelligent thermometer with the following characteristics:
1High accuracy and good stability. There is microcomputer processing control to automatically calibrate the zero point, full range, and cold end temperature of the circuit. Adopting a precision reference voltage regulator, it has long-term stability. Software technology ensures the accuracy and reliability of instruments.
2Strong anti-interference ability
3Adopting LED ultra-high brightness digital display.
4Fully functional and easy to expand, can be equipped with a printing interface.
5Equipped with isolated parallel BLD code output; Or 4-20mA (1-5V) analog output port.
6The internal motherboard is equipped with a short circuit for converting dividing numbers, and each meter can be equipped with two different thermocouples with different dividing numbers.
7It can be used for both rapid temperature measurement and continuous temperature measurement.
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●Tungsten rhenium thermocouple wire |
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1、 Characteristics of tungsten rhenium thermocouple wire:
The melting point of tungsten rhenium thermocouple wire is 3120-3360 ℃, and it can be used up to 3000 ℃. It is the most heat-resistant metal thermocouple. It has the advantages of high thermoelectric potential, high sensitivity, insolubility in any independent acid, abundant reserves of raw materials in China, and low price.
2、 Product Standard Number:
1. JB/T9496-99 Tungsten Rhenium Thermocouple Compensation Wire.
2. JB/T9497-99 Tungsten Rhenium Thermocouple Wire and Scale Table (Equivalent to ASTM E696-84 in the United States) standard
3. JJG576-88 Verification Regulations for Working Tungsten Rhenium Thermocouples
4. JB/T5401-91 Tungsten Rhenium Thermocouple Wire for Rapid Measurement of Steel Liquid Temperature
5. JB/T5402-91 Tungsten Rhenium Thermocouple Wire for Rapid Measurement of Steel Liquid Temperature, Thermoelectric Force Test Method
3、 Product name and division number:
1. Name: Tungsten Rhenium 3-Tungsten Rhenium 25; Tungsten rhenium 5-tungsten rhenium 26
2. Division number: WRe3-WRE25 (D-type); WRe5- WRe26 (Type C)
4、 Product grade, specifications, operating temperature range, and tolerance:
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| Grade |
Specifications |
Temperature range for use |
Allowable deviation |
| special |
0.1 |
1400-1800℃ |
≤±0.128﹪t |
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0.1,0.25,0.5 |
1200-1800℃ |
≤±0.25﹪t |
| Ⅱ |
0.1,0.25,0.5 |
1200-1800℃ |
≤±0.50﹪t |
| Ⅲ |
0.25,0.5 |
400-2300℃ |
≤±1﹪t |
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5、 Insulation material for tungsten rhenium thermocouple wire:
1. High purity alumina (AL2O3) can be used up to 1800 ℃.
2. Yttrium oxide (YO2) can be used within 2000 ℃.
3. Beryllium oxide (BeO) can be used up to 2100 ℃, but its high-temperature vapor is toxic.
4. Thorium oxide (ThO2) can be used up to 2300 ℃, but thorium has weak radiation resistance.
6、 Outer protective tube of tungsten rhenium thermocouple wire:
1. Tantalum tubes (Ta) are used in vacuum at temperatures below 2480 ℃.
2. Molybdenum tubes (Mo) are used in vacuum hydrogen gas and inert atmosphere below 2300 ℃.
Molybdenum disilicide tubes (Mosi2) or siliconized coatings on the surface of molybdenum tubes are exposed to air and certain corrosive media at temperatures below 1600 ℃ for a long period of time
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