Detail:
Tungsten rhenium thermocouple fast
Products through the ISO-9002 quality system certification and the national quality management standards enterprise certification. Products with high accuracy, wide temperature range, low prices, in accordance with YB4084-92 and YB/T163-1999 two rapid measurement of metal melt temperature with thermocouple standard
Technical parameters
Name type temperature measuring range accuracy (% t) circuit resistance insulation resistance
Tungsten rhenium tungsten rhenium 0-2000 C KW-602 25 3- less than 0.25 <3 than 5M.
Length: 500.600.850.1000mm.
Fast platinumrhodium thermocouple
Platinum rhodium thermocouple quick, advanced technology, excellent quality stability are widely used not only in the major domestic steel mills, and every year a large number of export countries in Europe.
One, reference standards
1 product standard: YB/T163-1999 (fast measurement of metal melt temperature with thermocouple).
2 wire standard: S type: R GB/T3772-98 type: B GB/T1598-98 type: GB/T2902-98
3 compensation lead standard: GB/T4989-94 (.R type S thermocouple wire)
Two. Product name model and technical parameters:
The name of the index number of the temperature limit of the number of the circuit resistance
10 - S KS - platinum rhodium 6021650 degrees less than 5 DEG <3.
13 - R KR - platinum rhodium 6021650 degrees less than 5 DEG <3.
30- B KB - platinum rhodium 6 6021800 degrees less than 5 DEG <3.
Three. Product length:
Even head: 500.600.850.1000m
Quick thermocouple temperature measuring gun, and temperature measuring gun
The core of the core of the temperature measuring gun is positive. The negative lead wire is used in the compensation, that is, the corresponding compensation wire material is made, so it is divided into SC (RC) type, BC type and WC3/25 type. Respectively applied to platinum (Platinum Rhodium 10 platinum rhodium 13 platinum rhodium 30 platinum rhodium - 6), and 25 3- tungsten rhenium tungsten rhenium thermocouple quick. The temperature measuring gun outer diameter 16mm (special customized size), length of 1 meters - 4.5 meters.
Thermocouple compensating conductor
Compensation lead standard implementation: GB/T4989-94 (type S.R thermocouple)
JB/T9496-99 (WRe3/25 thermocouple) (WRe5/26 thermocouple)
Thermoelectric properties of compensating conductor:
Compensation wire model with thermocouple reference number 100 for electric potential at 200 UV for the nominal value of the nominal value of UV
Precision grade normal grade negative
RC S R 10uv 6451440 + 60uv + Cu Cu SC - Ni
WRe3/25 20uv 11452602 + 48uv + Cu Cu WC3/25 - Ni
B Cu Cu BC
WRe5/26 51uv 14513089 + Cu Cu WC5/26 - Ni
Compensation wire specification:
Fast thermocouple with 0.4 x1.0 mm, the general use of core 1 square mm, outside diameter 5.1 x8.0 mm, heat resistant wire core 1 square mm, outer diameter 3.1 x5.6 mm.
Molten steel sampler
Can realize the fast sampling of molten steel in molten steel sampler, model: 1.KQY - 01, in a deoxidizer. 2.KQY - 02, internal non - oxygen. Taking a sample size of 32.5x13mm diameter, internal full, smooth surface, a total length of 964 mm, a paper tube with 32x17 mm. Also equipped with a magnetic grinding sample fixture, the use of very convenient.
Intelligent temperature measuring instrument
Intelligent temperature measuring instrument, has the following characteristics:
1, high accuracy, good stability. The automatic calibration of the full range and the cold end temperature of the circuit is carried out with a microcomputer processing control. The use of precision voltage reference source, with long-term stability. Software technology to ensure accurate and reliable instruments.
2, strong anti-interference ability
3, the use of LED ultra high brightness digital display.
4, the function is complete, easy to expand, can be equipped with print interface.
5, the output of a separate parallel BLD code, or 4-20mA (1-5V) analog output port.
6, the internal host board is provided with a short path conversion index number, each table can be equipped with 2 different types of thermocouples.
7, both can be used for rapid temperature measurement and can be used for continuous temperature measurement.
Tungsten rhenium thermocouple wire
A tungsten rhenium thermocouple wire, characteristics:
The melting point of tungsten rhenium thermocouple wire: 3120 - 33.6 degrees, the maximum can use to 30 DEG C, it is the most resistant to the high temperature metal thermocouples. It has a high potential, high sensitivity, not dissolved in any independent acid, raw materials in China is rich in reserves, cheap and so on.
Two, product standard number:
1, JB/T9496-99 tungsten rhenium thermocouple wire.
2, JB/T9497-99 tungsten rhenium thermocouple wires and indexing table (equivalent USA ASTME696-84) standard.
3, working with JJG576-88 verification regulation of tungsten rhenium thermocouple.
4, JB/T5401-91 fast measuring the temperature of liquid steel with tungsten rhenium thermocouple wire.
5, JB/T5402-91 fast measuring the temperature of liquid steel with tungsten rhenium thermocouple wire, thermal electromotive force test method.
Three, product name and index number:
1, name: 3- tungsten rhenium tungsten rhenium tungsten rhenium tungsten rhenium 25; 5- 26
2, the index number: WRe25 WRe3- (D); WRe26 WRe5- (C).
Four, product level, specifications, using temperature range, allowing the difference:
The use of such a grade gauge temperature range is acceptable.
0.1 1400-1800 C less than 0.128t
I 0.1,0.25,0.5 1200-1800 = C + 0.25t
0.1,0.25,0.5 1200-1800 = C + 0.50t II
0.25,0.5 400-2300 = C + 1t III
Five insulation materials, tungsten rhenium thermocouple wire:
1. High purity aluminum oxide (AL2O3) can be used in 1800.
2, YO2 can be used in 2000.
3, beryllia (BeO) can be used in 2100 DEG C, but high temperature toxic beryllium.
4. The oxidation of th (ThO2) can be used in the 2300, but there is a weak anti radiation.
Outside the protection of six, tungsten rhenium thermocouple wire tube:
1. Tantalum tubes (Ta) are used in vacuum at 2480.
2. The molybdenum tube (Mo) is used in the vacuum hydrogen and inert atmosphere at 2300.
Two the air and some corrosion medium of the (Mosi2) or molybdenum tube surface coating on the air and some corrosion medium term
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