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KB/KR/KS/KW Rapid Temperature Measurement Thermocouple High Accuracy Thermocouple
【 Structural Analysis 】
The structure of a Fast Thermocouple is mainly composed of a temperature thermocouple head and a large
paper tube. The thermocouple head mainly consists of positive and
negative thermocouple wires welded to the compensation wire for
fast thermocouple, and the compensation wire is embedded in the
bracket. The bracket is covered with a small paper tube, and the
thermocouple wire is supported and protected by quartz. Equipped
with an anti slag cap on the outside, all components are
concentrated in the mud head and glued together with a
fire-resistant filling agent, making it non detachable and
therefore disposable.
【 Working Principle 】
Based on the thermoelectric effect of metals, the temperature
difference generated at both ends of Thermocouples is used to measure the temperature of molten steel and high
melting metals. Two different components of conductors are welded
at both ends to form a circuit. The direct measurement end is
called the working end (hot end), and the wiring terminal end is
called the cold end. When there is a temperature difference between
the hot end and the cold end, a thermal current will be generated
in the circuit. When connected to a display instrument, the
corresponding temperature value of the generated thermoelectric
electromotive force will be indicated on the instrument, and the
electromotive force will increase with the increase of temperature.
【 Parameter 】
| Number | Name | Model | Graduation mark | Allowance | Measuring range | Measuring time | Applicable Features |
| 1 | Tungsten rhenium3- Tungsten rhenium25 | KW | W | ±5℃ | 0℃-1800℃ | ≤6S | Also known as "tungsten rhenium thermocouple", It has the advantages of reliable thermal stability and low price, and is widely used by users. |
| 2 | Platinum and rhodium30-Platinum and rhodium6 | KB | B | ±3℃ | 0℃-1750℃ | ≤6S | Also known as "platinum platinum rhodium thermocouple", it has the characteristics of stable thermoelectric performance and high temperature resistance, but the precious metal is expensive. |
| 3 | Platinum and rhodium10-platinum | KS | S | ±3℃ | 0℃-1650℃ | ≤6S | Also known as "platinum rhodium thermocouple", it has the characteristics of stable thermoelectric performance and moderate temperature resistance, but the precious metal is expensive. |
| 4 | Platinum and rhodium13-platinum | KR | R | ±3℃ | 0℃-1650℃ | ≤6S | Also known as "R type thermocouple", its comprehensive performance is equivalent to that of product No. 3, and it is basically not used for temperature measurement in China. |
The Rapid Temperature Measurement Thermocouple is used to measure the temperature of molten steel and high-temperature molten metal. It is a disposable consumable thermocouple. It can provide accurate temperature and is an essential product to improve the quality of steel.
