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Thermocouple wire specifications

Typical magnetic field-dependent temperature errors ΔT/T (%) at B (magnetic induction)

Type E thermocouple wire²
T (K)	2.5 T	8 T	14 T
10	1	3	7
20	<1	2	4
45	<1	<1	2

² Useful when T ≥ 10 K. Refer to comments for Chromel-AuFe (0.07%)

Range of use

	Minimum limit	Maximum limit³
Type E	3.15 K	953 K
Type K	3.15 K	1543 K

³ Upper limit dependent on wire size; to achieve higher than 473 K, insulation must be removed