Thermocouple

The accuracy of a thermocouple depends on many factors including but not limited to electrical interference and the purity of the metals used.

Temperature	B Type	E Type	J type	K Type	N Type	R Type	S Type	T Type
-2000C	-	-	-	3	3	-	-	3
-1000C	-	-	-	2.5	2.5	-	-	1.5
00C	-	1.7	1.5	1.5	1.5	1	1	0.5
2000C	-	1.7	1.5	1.5	1.5	1	1	0.8
4000C	-	2	1.6	1.6	1.6	1	1	-
6000C	1.5	3	2.4	2.4	2.4	1	1	-
8000C	2	4	-	3.2	3.2	1	1	-
10000C	2.5	-	-	4	4	1	1	-
12000C	3	-	-	9	9	1.3	1.3	-
14000C	3.5	-	-	-	-	1.9	1.9	-
16000C	4	-	-	-	-	2.5	2.5	-

Thermocouple Conductor Type	Limits of Error (Whichever is greater)
	Standard	Special
Type K	±2.20C or ±0.75%	±1.10C or ±0.4%
Type T	±1.00C or ±0.75%	±0.50C or ±0.4%
Type J	±2.20C or ±0.75%	±1.10C or ±0.4%
Type N	±2.20C or ±0.75%	±1.10C or± 0.4%
Type E	±1.70C or ±0.5%	±1.00C or ±0.4%
Type S	±1.50C or ±0.25%	±0.60C or ±0.1%
Type R	±1.50C or ±0.25%	±0.60C or ±0.1%
Type B	±0.5%	±0.25%