Expendable thermocouple

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&#8451

K W 0.1 1800&#8451 Response time:less than 5 seconds.

Tolerance on temperature

Type Calibration no. Temperature range Accuracy

K S 1200—1650&#8451

.Structure

1)Structure of thermocouple

#9312;Cardboard (ID 18mm/OD 30mm)

#9313;plasticsupport

#9314;refractory cement body

#9315;refractory cement head

#9316;quartz tube

#9317;protective iron / Al cap

2)Weight of thermocouple：250 grams with 1000mm long paper tube

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