Description
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K type expendable thermocouple
1.Genenal
Immerse thermocouple is a sensor for temperature measurement. It can be connected to a fast potentiometer or a digital instrument to measure temperatures of melted iron, steed or other metals.
2.Specification Table 1
Calibration No. | Type | Composing Materials | |
+ leg ( 1 ) | - leg ( 2 ) | ||
S | 604"△" 602"○" | Platinum-10%Rhodium | Rhodium |
B | Platinum-30%Rhodium | Platinum-6%Rhodium | |
R | Platinum-13%Rhodium | Rhodium | |
W | Tungsten-3%rhenium | Tungsten-25%rhenium | |
Note :The +leg means a leg to be connected to +terminal of an instrument to measure thermo electromotive force, and -leg means opposite side one. Table 2
Thermocouple type | Diameter of wire(mm) | Upper limit operating temperature℃ | Thermo electromotive force At upper limit operating(Mv) |
KS | 0.06—0.07 | 1650℃ | 18.709 |
KB | 0.06—0.07 | 1700℃ | 13.814 |
KR | 0.06—0.07 | 1700℃ | |
KW | 0.1 | 1800℃ |
Response time:less than 5 seconds.
3.Tolerance in temperature Table 3
Calibration No. | Normal operating temperature range | Tolerance in the range |
KS | 1200—1650℃ | <±5℃ |
KB | 1200—1750℃ | <±5℃ |
KR | 1000—1700℃ | <±5℃ |
KW | 1000—1800℃ | <±7℃ |
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