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公司简介

E型和K型热电偶有什么不同?

发布日期:2020-10-30

用于+极与-极的合金种类不同,因此测温范围和电动势也有所不同。


请参见下表。


另外,它们有不同的特点,E型热电偶长年累月其变化趋势小,而K型被广泛用于普通工业用途。


请根据客户用途进行选用。

*由于电动势的原因,热电偶温度计的传感器和检测器主体的热电偶种类需要匹配。如果您已有现成的产品,那么请您选用同样的热电偶种类。
例) 传感器:A-231E-01-1-TC1-ASP / 主体:HD-1200E


测温范围(JIS C1602-2015) (本公司基本采用等级2。)

热电偶种类

等级 

测温(°C) 

容许误差 

等级1(0.4级) 

-40~800 

-40°C~375°C ±1.5°C 

375°C~800°C ±0.004×t 

等级2(0.75级) 

-40~800 

-40°C~333°C ±2.5°C 

333°C~800°C ±0.0075×t 

等级3(1.5级) 

-200~40 

-167°C~40°C ±2.5°C 

-200°C~-167°C ±0.015×t 

等级1(0.4级) 

-40~1000 

-40°C~375°C ±1.5°C 

375°C~1000°C ±0.004×t 

等级2(0.75级) 

-40~1200 

-40°C~333°C ±2.5°C 

333°C~1200°C ±0.0075×t 

等级3(1.5级) 

-200~40 

-167°C~40°C ±2.5°C 

-200°C~-167°C ±0.015×t 

 

电动势表(JIS C1602‐2015)

TYPE : E (CRC) 0°C基准 (摘录自JIS C 1602-2015)


単位 mV
℃    0102030405060708090100
-100 -5.237-5.681-6.107-6.516-6.907-7.279-7.632-7.963-8.273-8.561-8.825-100
(-) 00-0.582-1.152-1.709-2.255-2.787-3.306-3.811-4.302-4.777-5.237(-) 0
(+) 000.5911.1921.8012.423.0483.6854.334.9855.6486.319(+) 0
1006.3196.9987.6858.3799.0819.78910.50311.22411.95112.68413.421100
20013.42114.16414.91215.66416.4217.18117.94518.71319.48420.25921.036200
30021.03621.81722.623.38624.17424.96425.75726.55227.34828.14628.946300
40028.94629.74730.5531.35432.15932.96533.77234.57935.38736.19637.005400
50037.00537.81538.62439.43440.24341.05341.86242.67143.47944.28545.093500
60045.09345.946.70547.50948.31349.11649.91750.71851.51752.31553.112600
70053.11253.90854.70355.49756.28957.0857.8758.65959.44660.23261.107700
80061.01761.80162.58363.36464.14464.92265.69866.47367.24668.01768.787800
90068.78769.55470.31971.08271.84472.60373.3674.11574.86975.62176.373900
0102030405060708090100



TYPE : K(CA) 0°C基准 (摘录自JIS C 1602-2015)


単位 mV

0102030405060708090100
-100 -3.554-3.852-4.138-4.411-4.669-4.913-5.141-5.354-5.55-5.73-5.891-100
(-) 00-0.392-0.778-1.156-1.527-1.889-2.243-2.587-2.92-3.243-3.554(-) 0
(+) 000.3970.7981.2031.6122.0232.4362.8513.2673.6824.096(+) 0
1004.0964.5094.925.3285.7356.1386.546.9417.347.7398.138100
2008.1388.5398.949.3439.74710.15310.56110.97111.38211.79512.209200
30012.20912.62413.0413.45713.87414.29314.71315.13315.55415.97516.397300
40016.39716.8217.24317.66718.09118.51618.94119.36619.79220.21820.644400
50020.64421.07121.49721.92422.3522.77623.20323.62924.05524.4824.905500
60024.90525.3325.75526.17926.60227.02527.44727.86928.28928.7129.129600
70029.12929.54829.96530.38230.79831.21331.62832.04132.45332.86533.275700
80032.27533.68534.09334.50134.90835.31335.71836.12136.52436.92537.326800
90037.32637.72538.12438.52238.91839.31439.70840.10140.49440.88541.276900
100041.27641.66542.05342.4442.82643.21143.59543.97844.35944.7445.1191000
110045.11945.49745.87346.24946.62346.99547.36747.73748.10548.47348.8381100
0102030405060708090100


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