Expendable thermocouple - 06

1.Genenal
K type 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
Type Calibration no. Composing Materials
+leg(1) -leg(2)
K S PtRh10% Pt
K B PtRh30% PtRh6%
K R PtRh13% Pt
K W Tungsten-3%rhenium Tungsten-25%rhenium

Note(1):The +leg means a leg to be connected to +terminal of an instrument to measure thermal electromotive force and -leg means opposite side one.
Type Calibration no. Wire diameter
(mm) Max. working temperature℃ Thermal electromotive
Force(Mv)
K S 0.05~0.07 1650℃ 18.709
K B 0.05~0.07 1750℃ 13.814
K R 0.05~0.07 1700℃
K W 0.1 1800℃

Response time:less than 5 seconds.
Tolerance on temperature:
Type Calibration no. Temperature range Accuracy
K S 1200—1650℃

.Structure
1)Structure of thermocouple
①Cardboard (ID 18mm/OD 30mm)
②plasticsupport
③refractory cement body
④refractory cement head
⑤quartz tube
⑥protective iron / Al cap
2)Weight of thermocouple：250 grams with 1000mm long paper tube

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