Products through the ISO - 9002 quality system certification and the national quality management standard enterprise certification. Products with high precision and temperature measuring range, low prices, accord with and YB/T163 YB4084-92-92 two rapid metal melt temperature measured in standard thermocouples
Technical parameters
The name of the model Temperature measurement range precision (℅ t) circuit resistance Insulation resistance
Tungsten-rhenium 3 - tungsten rhenium 25 KW - 602-0-2000 ℃ < 0.25 mm or less 3 Ω Ω 5 m or more
Length: 500.600.850.1000 mm.
Platinum rhodium thermocouple quickly
Platinum rhodium rapid temperature measuring thermocouple, advanced technology, stable quality is good, not only widely used in the domestic each big steel mills, and exported to Europe every year.
A, reference standard
Product standard: YB/T163-1999 (consumption type rapid metal melt temperature measured in the thermocouple).
2. Accidentally silk standard: S: GB/T3772-98 type R: GB/T1598-98 type B: GB/T2902-98
3. The compensating conductor standards: GB/T4989-94 (S. R type thermocouple compensating conductor)
2. Product name types and technical parameters:
That dividing, type, maximum temperature tolerance circuit resistance
Platinum rhodium 10 - platinum S KS - 602 602 ℃ + / - 5 ℃ or less < 3 Ω
Platinum rhodium 13 - platinum R KR - 602 1650 ℃ + / - 5 ℃ or less < 3 Ω
Platinum rhodium 30 - platinum rhodium 6 B KB - 602-602 ℃ + / - 5 ℃ or less < 3 Ω
3. Product length:
My head: 500.600.850.1000 m
Fast thermocouple temperature measuring gun, and temperature measuring point
Temperature measuring point core plug is in. His negative extremely fuses adopt compensation type, namely the corresponding compensation conductor materials, so it is also divided into SC (RC), BC and WC3/25. Allocated to platinum rhodium respectively 10 - platinum (platinum rhodium 13 - platinum), 30 - platinum rhodium platinum rhodium 6 and 3 - tungsten rhenium tungsten rhenium 25 fast temperature measuring thermocouple. For Φ temperature measuring gun diameter 16 mm (special size make to order), length of 1 m - 4.5 m.
Thermocouple compensating conductor
Compensation conductor standards: GB/T4989-94 (S.R type thermocouple)
JB/T9496-99 (WRe3/25 thermocouple) (WRe5/26 thermocouple)
Thermoelectric properties of compensation conductor should be:
Compensation conductor model Number with thermocouple dividing potential nominal value uv 200 ℃ 100 ℃ potential nominal value uv tolerance materials
Precision grade common class is negative
SC RC S R 645 compared to 1440 + 10 uv + 60 uv Cu Cu, Ni
WC3/25 WRe3/25, 1145 to 2602 + 20 uv + 48 uv Cu Cu, Ni
BC B Cu Cu
WC5/26 WRe5/26, 1451, 3089-51 uv Cu Cu, Ni
Compensation wire specifications:
Fast thermocouple with x1.0 0.4 mm, generally 1.0 mm2 wire core, x8.0 diameter 5.1 mm, 1.0 mm2, heat-resistant thread core x5.6 diameter 3.1 mm.
Molten steel sampler
Molten steel sampler molten steel can be realized fast sampling, model: 1. KQY - 01, there a deoxidizer. 2. KQY - 02, no the deoxidizer. Take out the sample size is 32.5 x13mm Φ, internal full, smooth surface, the total length of 964 mm, handle paper tube Φ x17 32 mm. Also is equipped with magnetic grinding sample clamp, use very convenient.
Intelligent thermometer
Intelligent thermometer, has the following features:
1, high accuracy, good stability. With the microcomputer processing control circuit for zero, full range, and the cold end temperature automatic calibration. Using precision reference voltage source, has the long-term stability. Guarantee the accuracy of the instrument and reliable software technology.
2, strong anti-interference ability
3, using ultra-high brightness LED digital tube display.
4, complete function convenient to expand, can match the print interface.
5, equipped with isolation of parallel BLD code output; Or 4-20 ma analog output (1-5 v).
6, the index number inside the motherboard with conversion short path, each table can be with 2 different index number of thermocouple.
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:
Tungsten rhenium thermocouple wire melting point: 3120-3360 ℃, the highest can use up to 3000 ℃, it is one of the most high temperature resistant metal thermocouple. It has high thermoelectric potential, high sensitivity, does not dissolve in any independent acid, abundant raw materials in China, cheap price, etc.
Second, the product standard no. :
1, JB/T9496-99 tungsten rhenium thermocouple compensation wire.
2, JB/T9497-99 tungsten rhenium thermocouple wire and indexing table (equivalent in U.S. ASTME696-84) standards.
3, work with tungsten-rhenium thermocouples JJG576-88 verification regulation.
4, JB/T5401-91 rapid measurement of molten steel temperature with the rhenium tungsten thermocouple wire.
5, JB/T5402-91 rapid measurement of molten steel temperature with the rhenium tungsten thermocouple wire, thermoelectric emfs test method.
Three, the product name and degree no. :
1, name: tungsten rhenium 3 - tungsten rhenium 25; Tungsten-rhenium 5 - tungsten rhenium 26.
No. 2, dividing: WRe3 - WRe25 (D); WRe5 - WRe26 (C).
Four, product grade, specifications, use temperature scope, tolerance:
grade Using the temperature range tolerance
0.1 1400-1800 ℃ + / - 0.128 ﹪ t or less
Ⅰ 0.1, 0.25, 0.5, 1200-1800 ℃ or less + / - 0.25 ﹪ t
Ⅱ 0.1, 0.25, 0.5, 1200-1800 ℃ or less + / - 0.50 ﹪ t
Ⅲ 0.25, 0.5, 400-2300 ℃ or less ﹪ t + 1
Five, the tungsten rhenium thermocouple wire insulation materials:
1, high purity alumina (AL2O3) can be used within 1800 ℃.
2, yttrium oxide (YO2) can be used within 2000 ℃.
3, beryllium oxide (BeO) can be used within 2100 ℃, but beryllium high temperature steam are poisonous.
4, thorium oxide (ThO2) can be used within 2300 ℃, but thorium have weak radiation resistant.
Six, tungsten rhenium thermocouple wire external protecting tube:
1, tantalum tube (Ta) used in the vacuum within 2480 ℃.
2, molybdenum (Mo) tube vacuum hydrogen in 2300 ℃ or less and the use of inert atmosphere.
