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technical article
Instructions for prefabricated thermocouples
2011-10-15 8:37:28

铠装热电偶 概述 I. Overview of Armored Thermocouples  
In the industry, the assembled thermocouple is used as a temperature sensor, which is generally used with display instruments, recording instruments and electronic regulators. 1800 ℃范围的液体蒸汽和气体介质以及固体的表面温度。 In various productions, fabricated thermocouples can directly measure the surface temperature of liquid vapor and gaseous media and solids in the range of 0-1800 ° C.   According to national regulations, Jinhu Dongxiang Instrument Co., Ltd. manufactures platinum-rhodium 30 -platinum-rhodium 6 , platinum-rhodium 10 -platinum, nickel-chromium-nickel-silicon, nickel-chromium- Constantan, etc. in accordance with IEC international standard graduation numbers Thermocouple .   The main components of a thermocouple are usually temperature sensing elements, mounting fixtures, and junction boxes.
铠装热电偶 测量范围及允许误差范围 Measurement range and allowable error range of armored thermocouples   

Thermocouple category

Code

Index number

Measuring range  

Basic error limit

Nickel chromium-constantan

WRK

E

0-800

± 0.75% t

NiCr-NiSi

WRN

K

0-1300

± 0.75% t

Platinum Rhodium 13- Platinum

WRB

R

1600 0 1600

± 0.25% t

Platinum Rhodium 10 -Platinum

WRP

S

0-1600

± 0.25% t

Platinum Rhodium 30 -Platinum Rhodium 6

WRR

B

0-1800  

± 0.25% t

Note: t is the measured temperature value of the temperature sensing element