Thermocouple Reference Tables Type N -450 to 290°F

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Thermocouple Reference Tables - Type N -450 to 290°F

Revised Thermocouple Reference Tables

TYPE N

NONE ESTABLISHED
Thermocouple Grade

Nickel - 14.2%
Chromium - 1.4% Silicon
vs.
Nickel - 4.4% Silicon -
0.1% Magnesium

Extension Grade

MAXIMUM TEMPERATURE RANGE
Thermocouple Grade
- 450 to 2372°F
- 270 to 1300°C
Extension Grade
32 to 392°F
0 to 200°C

LIMITS OF
ERROR
(whichever is Greater)
Standard: 2.2°C or 0.75% Above 0°C
2.2°C or 2.0% Below 0°C
Special: 1.1°C or 0.4%

COMMENTS, BARE WIRE ENVIRONMENT:
Alternative to Type K; More Stable at High Temps

TEMPERATURE
IN DEGREES °F

REFERENCE JUNCTION
AT 32°F

░F	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1	0	░F
Thermoelectric Voltage in mV

-450							-4.345	-4.345	-4.345	-4.344	-4.344	-450

-440	-4.344	-4.344	-4.343	-4.343	-4.342	-4.342	-4.341	-4.341	-4.340	-4.340	-4.339	-440
-430	-4.339	-4.338	-4.337	-4.337	-4.336	-4.335	-4.334	-4.333	-4.332	-4.331	-4.330	-430
-420	-4.330	-4.329	-4.327	-4.326	-4.325	-4.324	-4.322	-4.321	-4.319	-4.318	-4.316	-420
-410	-4.316	-4.315	-4.313	-4.312	-4.310	-4.308	-4.306	-4.305	-4.303	-4.301	-4.299	-410

-400	-4.299	-4.297	-4.295	-4.293	-4.291	-4.288	-4.286	-4.284	-4.282	-4.279	-4.277	-400

-390	-4.277	-4.275	-4.272	-4.270	-4.267	-4.264	-4.262	-4.259	-4.256	-4.254	-4.251	-390
-380	-4.251	-4.248	-4.245	-4.242	-4.239	-4.236	-4.233	-4.230	-4.226	-4.223	-4.220	-380
-370	-4.220	-4.217	-4.213	-4.210	-4.206	-4.203	-4.199	-4.196	-4.192	-4.189	-4.185	-370
-360	-4.185	-4.181	-4.177	-4.174	-4.170	-4.166	-4.162	-4.158	-4.154	-4.150	-4.145	-360
-350	-4.145	-4.141	-4.137	-4.133	-4.128	-4.124	-4.120	-4.115	-4.111	-4.106	-4.102	-350

-340	-4.102	-4.097	-4.092	-4.088	-4.083	-4.078	-4.073	-4.068	-4.064	-4.059	-4.054	-340
-330	-4.054	-4.049	-4.043	-4.038	-4.033	-4.028	-4.023	-4.017	-4.012	-4.007	-4.001	-330
-320	-4.001	-3.996	-3.990	-3.985	-3.979	-3.974	-3.968	-3.962	-3.957	-3.951	-3.945	-320
-310	-3.945	-3.939	-3.933	-3.927	-3.921	-3.915	-3.909	-3.903	-3.897	-3.891	-3.884	-310

-300	-3.884	-3.878	-3.872	-3.866	-3.859	-3.853	-3.846	-3.840	-3.833	-3.827	-3.820	-300

-290	-3.820	-3.813	-3.807	-3.800	-3.793	-3.786	-3.779	-3.773	-3.766	-3.759	-3.752	-290
-280	-3.752	-3.745	-3.738	-3.730	-3.723	-3.716	-3.709	-3.702	-3.694	-3.687	-3.679	-280
-270	-3.679	-3.672	-3.665	-3.657	-3.650	-3.642	-3.634	-3.627	-3.619	-3.611	-3.604	-270
-260	-3.604	-3.596	-3.588	-3.580	-3.572	-3.564	-3.556	-3.548	-3.540	-3.532	-3.524	-260
-250	-3.524	-3.516	-3.508	-3.499	-3.491	-3.483	-3.474	-3.466	-3.458	-3.449	-3.441	-250

-240	-3.441	-3.432	-3.424	-3.415	-3.407	-3.398	-3.389	-3.380	-3.372	-3.363	-3.354	-240
-230	-3.354	-3.345	-3.336	-3.327	-3.318	-3.309	-3.300	-3.291	-3.282	-3.273	-3.264	-230
-220	-3.264	-3.255	-3.246	-3.236	-3.227	-3.218	-3.208	-3.199	-3.189	-3.180	-3.171	-220
-210	-3.171	-3.161	-3.151	-3.142	-3.132	-3.123	-3.113	-3.103	-3.093	-3.084	-3.074	-210

-200	-3.074	-3.064	-3.054	-3.044	-3.034	-3.024	-3.014	-3.004	-2.994	-2.984	-2.974	-200

-190	-2.974	-2.964	-2.954	-2.943	-2.933	-2.923	-2.912	-2.902	-2.892	-2.881	-2.871	-190
-180	-2.871	-2.860	-2.850	-2.839	-2.829	-2.818	-2.808	-2.797	-2.786	-2.776	-2.765	-180
-170	-2.765	-2.754	-2.743	-2.733	-2.722	-2.711	-2.700	-2.689	-2.678	-2.667	-2.656	-170
-160	-2.656	-2.645	-2.634	-2.623	-2.612	-2.601	-2.589	-2.578	-2.567	-2.556	-2.544	-160
-150	-2.544	-2.533	-2.522	-2.510	-2.499	-2.488	-2.476	-2.465	-2.453	-2.442	-2.430	-150

-140	-2.430	-2.418	-2.407	-2.395	-2.384	-2.372	-2.360	-2.348	-2.337	-2.325	-2.313	-140
-130	-2.313	-2.301	-2.289	-2.277	-2.265	-2.254	-2.242	-2.230	-2.218	-2.206	-2.193	-130
-120	-2.193	-2.181	-2.169	-2.157	-2.145	-2.133	-2.121	-2.108	-2.096	-2.084	-2.072	-120
-110	-2.072	-2.059	-2.047	-2.035	-2.022	-2.010	-1.997	-1.985	-1.972	-1.960	-1.947	-110

-100	-1.947	-1.935	-1.922	-1.910	-1.897	-1.884	-1.872	-1.859	-1.846	-1.834	-1.821	-100

-90	-1.821	-1.808	-1.795	-1.783	-1.770	-1.757	-1.744	-1.731	-1.718	-1.705	-1.692	-90
-80	-1.692	-1.679	-1.666	-1.653	-1.640	-1.627	-1.614	-1.601	-1.588	-1.575	-1.562	-80
-70	-1.562	-1.549	-1.536	-1.522	-1.509	-1.496	-1.483	-1.470	-1.456	-1.443	-1.430	-70
-60	-1.430	-1.416	-1.403	-1.390	-1.376	-1.363	-1.349	-1.336	-1.323	-1.309	-1.296	-60
-50	-1.296	-1.282	-1.269	-1.255	-1.242	-1.228	-1.214	-1.201	-1.187	-1.174	-1.160	-50

-40	-1.160	-1.146	-1.133	-1.119	-1.105	-1.092	-1.078	-1.064	-1.050	-1.037	-1.023	-40
-30	-1.023	-1.009	-0.995	-0.981	-0.967	-0.954	-0.940	-0.926	-0.912	-0.898	-0.884	-30
-20	-0.884	-0.870	-0.856	-0.842	-0.828	-0.814	-0.800	-0.786	-0.772	-0.758	-0.744	-20
-10	-0.744	-0.730	-0.716	-0.702	-0.688	-0.674	-0.660	-0.646	-0.632	-0.617	-0.603	-10

0	-0.603	-0.589	-0.575	-0.561	-0.546	-0.532	-0.518	-0.504	-0.490	-0.475	-0.461	0
░F	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1	0	░F

░F	0	1	2	3	4	5	6	7	8	9	10	░F
0	-0.461	-0.447	-0.433	-0.418	-0.404	-0.390	-0.375	-0.361	-0.347	-0.332	-0.318	0
10	-0.318	-0.304	-0.289	-0.275	-0.260	-0.246	-0.232	-0.217	-0.203	-0.188	-0.174	10
20	-0.174	-0.159	-0.145	-0.131	-0.116	-0.102	-0.087	-0.073	-0.058	-0.044	-0.029	20
30	-0.029	-0.015	0.000	0.014	0.029	0.043	0.058	0.072	0.087	0.101	0.116	30
40	0.116	0.130	0.145	0.159	0.174	0.188	0.203	0.217	0.232	0.246	0.261	40

50	0.261	0.275	0.290	0.305	0.319	0.334	0.349	0.363	0.378	0.393	0.407	50
60	0.407	0.422	0.437	0.451	0.466	0.481	0.496	0.510	0.525	0.540	0.555	60
70	0.555	0.570	0.584	0.599	0.614	0.629	0.644	0.659	0.674	0.688	0.703	70
80	0.703	0.718	0.733	0.748	0.763	0.778	0.793	0.808	0.823	0.838	0.853	80
90	0.853	0.868	0.883	0.898	0.913	0.928	0.943	0.958	0.974	0.989	1.004	90


100	1.004	1.019	1.034	1.049	1.065	1.080	1.095	1.110	1.125	1.141	1.156	100
110	1.156	1.171	1.186	1.202	1.217	1.232	1.248	1.263	1.278	1.294	1.309	110
120	1.309	1.324	1.340	1.355	1.371	1.386	1.402	1.417	1.432	1.448	1.463	120
130	1.463	1.479	1.494	1.510	1.525	1.541	1.557	1.572	1.588	1.603	1.619	130
140	1.619	1.635	1.650	1.666	1.682	1.697	1.713	1.729	1.744	1.760	1.776	140

150	1.776	1.791	1.807	1.823	1.839	1.855	1.870	1.886	1.902	1.918	1.934	150
160	1.934	1.950	1.965	1.981	1.997	2.013	2.029	2.045	2.061	2.077	2.093	160
170	2.093	2.109	2.125	2.141	2.157	2.173	2.189	2.205	2.221	2.237	2.253	170
180	2.253	2.269	2.285	2.301	2.318	2.334	2.350	2.366	2.382	2.398	2.415	180
190	2.415	2.431	2.447	2.463	2.480	2.496	2.512	2.528	2.545	2.561	2.577	190


200	2.577	2.594	2.610	2.626	2.643	2.659	2.676	2.692	2.708	2.725	2.741	200
210	2.741	2.758	2.774	2.791	2.807	2.824	2.840	2.857	2.873	2.890	2.906	210
220	2.906	2.923	2.939	2.956	2.973	2.989	3.006	3.022	3.039	3.056	3.072	220
230	3.072	3.089	3.106	3.123	3.139	3.156	3.173	3.189	3.206	3.223	3.240	230
240	3.240	3.257	3.273	3.290	3.307	3.324	3.341	3.358	3.374	3.391	3.408	240

250	3.408	3.425	3.442	3.459	3.476	3.493	3.510	3.527	3.544	3.561	3.578	250
260	3.578	3.595	3.612	3.629	3.646	3.663	3.680	3.697	3.714	3.731	3.748	260
270	3.748	3.766	3.783	3.800	3.817	3.834	3.851	3.869	3.886	3.903	3.920	270
280	3.920	3.937	3.955	3.972	3.989	4.007	4.024	4.041	4.058	4.076	4.093	280
290	4.093	4.110	4.128	4.145	4.162	4.180	4.197	4.215	4.232	4.250	4.267	290

░F	0	1	2	3	4	5	6	7	8	9	10	░F

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