Technical Information

Revised Thermocouple Reference Tables

TYPE
T
Reference Tables N.I.S.T.

Monograph 175

Revised to ITS-90

°F

Copper
vs.
Copper-Nickel

MAXIMUM TEMPERATURE RANGE
Thermocouple Grade
– 328 to 662°F
– 200 to 350°C
Extension Grade
– 76 to 212°F
– 60 to 100°C
LIMITS OF ERROR
(whichever is greater)
Standard: 1.0°C or 0.75% Above 0°C
1.0°C or 1.5% Below 0°C
Special: 0.5°C or 0.4%
COMMENTS, BARE WIRE ENVIRONMENT:
Mild Oxidizing, Reducing Vacuum
or Insert; Good Where Moisture Is Present;
Low Temperature and Cryogenic Applications
TEMPERATURE IN DEGREES °F
REFERENCE JUNCTION AT 32°F

Thermoelectric Voltage in Millivolts

°F -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 °F
-450-6.258-6.257-6.256-6.255-6.254-450
-440-6.254-6.253-6.252-6.251-6.250-6.248-6.247-6.245-6.243-6.242-6.240-440
-430-6.240-6.238-6.236-6.234-6.232-6.230-6.227-6.225-6.222-6.220-6.217-430
-420-6.217-6.215-6.212-6.209-6.206-6.203-6.200-6.197-6.194-6.191-6.187-420
-410-6.187-6.184-6.180-6.177-6.173-6.170-6.166-6.162-6.158-6.154-6.150-410
-400-6.150-6.146-6.141-6.137-6.133-6.128-6.124-6.119-6.115-6.110-6.105-400
-390-6.105-6.100-6.095-6.090-6.085-6.080-6.075-6.069-6.064-6.059-6.053-390
-380-6.053-6.047-6.042-6.036-6.030-6.025-6.019-6.013-6.007-6.001-5.994-380
-370-5.994-5.988-5.982-5.976-5.969-5.963-5.956-5.950-5.943-5.937-5.930-370
-360-5.930-5.923-5.916-5.909-5.902-5.896-5.888-5.881-5.874-5.867-5.860-360
-350-5.860-5.853-5.845-5.838-5.830-5.823-5.815-5.808-5.800-5.792-5.785-350
-340-5.785-5.777-5.769-5.761-5.753-5.745-5.737-5.729-5.721-5.713-5.705-340
-330-5.705-5.697-5.688-5.680-5.672-5.663-5.655-5.646-5.638-5.629-5.620-330
-320-5.620-5.612-5.603-5.594-5.585-5.577-5.568-5.559-5.550-5.541-5.532-320
-310-5.532-5.523-5.513-5.504-5.495-5.486-5.476-5.467-5.458-5.448-5.439-310
-300-5.439-5.429-5.420-5.410-5.400-5.391-5.381-5.371-5.361-5.351-5.341-300
-290-5.341-5.332-5.322-5.312-5.301-5.291-5.281-5.271-5.261-5.250-5.240-290
-280-5.240-5.230-5.219-5.209-5.198-5.188-5.177-5.167-5.156-5.145-5.135-280
-270-5.135-5.124-5.113-5.102-5.091-5.081-5.070-5.059-5.048-5.036-5.025-270
-260-5.025-5.014-5.003-4.992-4.980-4.969-4.958-4.946-4.935-4.923-4.912-260
-250-4.912-4.900-4.889-4.877-4.865-4.854-4.842-4.830-4.818-4.806-4.794-250
-240-4.794-4.783-4.771-4.759-4.746-4.734-4.722-4.710-4.698-4.685-4.673-240
-230-4.673-4.661-4.648-4.636-4.624-4.611-4.599-4.586-4.573-4.561-4.548-230
-220-4.548-4.535-4.523-4.510-4.497-4.484-4.471-4.458-4.445-4.432-4.419-220
-210-4.419-4.406-4.393-4.380-4.366-4.353-4.340-4.326-4.313-4.300-4.286-210
-200-4.286-4.273-4.259-4.246-4.232-4.218-4.205-4.191-4.177-4.163-4.149-200
-190-4.149-4.136-4.122-4.108-4.094-4.080-4.066-4.052-4.037-4.023-4.009-190
-180-4.009-3.995-3.980-3.966-3.952-3.937-3.923-3.908-3.894-3.879-3.865-180
-170-3.865-3.850-3.836-3.821-3.806-3.791-3.777-3.762-3.747-3.732-3.717-170
-160-3.717-3.702-3.687-3.672-3.657-3.642-3.626-3.611-3.596-3.581-3.565-160
-150-3.565-3.550-3.535-3.519-3.504-3.488-3.473-3.457-3.441-3.426-3.410-150
-140-3.410-3.394-3.379-3.363-3.347-3.331-3.315-3.299-3.283-3.267-3.251-140
-130-3.251-3.235-3.219-3.203-3.187-3.171-3.154-3.138-3.122-3.105-3.089-130
-120-3.089-3.072-3.056-3.040-3.023-3.006-2.990-2.973-2.956-2.940-2.923-120
-110-2.923-2.906-2.889-2.873-2.856-2.839-2.822-2.805-2.788-2.771-2.754-110
-100-2.754-2.737-2.719-2.702-2.685-2.668-2.651-2.633-2.616-2.598-2.581-100
-90-2.581-2.564-2.546-2.529-2.511-2.493-2.476-2.458-2.440-2.423-2.405-90
-80-2.405-2.387-2.369-2.351-2.334-2.316-2.298-2.280-2.262-2.244-2.225-80
-70-2.225-2.207-2.189-2.171-2.153-2.134-2.116-2.098-2.079-2.061-2.043-70
-60-2.043-2.024-2.006-1.987-1.969-1.950-1.931-1.913-1.894-1.875-1.857-60
-50-1.857-1.838-1.819-1.800-1.781-1.762-1.743-1.724-1.705-1.686-1.667-50
-40-1.667-1.648-1.629-1.610-1.591-1.572-1.552-1.533-1.514-1.494-1.475-40
-30-1.475-1.456-1.436-1.417-1.397-1.378-1.358-1.338-1.319-1.299-1.279-30
-20-1.279-1.260-1.240-1.220-1.200-1.181-1.161-1.141-1.121-1.101-1.081-20
-10-1.081-1.061-1.041-1.021-1.001-0.980-0.960-0.940-0.920-0.900-0.879-10
0-0.879-0.859-0.839-0.818-0.798-0.777-0.757-0.736-0.716-0.695-0.6750
°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
0-0.675-0.654-0.633-0.613-0.592-0.571-0.550-0.530-0.509-0.488-0.4670
10-0.467-0.446-0.425-0.404-0.383-0.362-0.341-0.320-0.299-0.278-0.25610
20-0.256-0.235-0.214-0.193-0.171-0.150-0.129-0.107-0.086-0.064-0.04320
30-0.043-0.0220.0000.0220.0430.0650.0860.1080.1300.1510.17330
400.1730.1950.2160.2380.2600.2820.3030.3250.3470.3690.39140
500.3910.4130.4350.4570.4790.5010.5230.5450.5670.5890.61150
600.6110.6340.6560.6780.7000.7230.7450.7670.7900.8120.83460
700.8340.8570.8790.9020.9240.9470.9690.9921.0151.0371.06070
801.0601.0831.1051.1281.1511.1741.1961.2191.2421.2651.28880
901.2881.3111.3341.3571.3801.4031.4261.4491.4721.4961.51990
1001.5191.5421.5651.5881.6121.6351.6581.6821.7051.7291.752100
1101.7521.7761.7991.8231.8461.8701.8931.9171.9411.9641.988110
1201.9882.0122.0362.0602.0832.1072.1312.1552.1792.2032.227120
1302.2272.2512.2752.2992.3232.3472.3712.3952.4202.4442.468130
1402.4682.4922.5172.5412.5652.5902.6142.6392.6632.6872.712140
1502.7122.7372.7612.7862.8102.8352.8602.8842.9092.9342.958150
1602.9582.9833.0083.0333.0583.0823.1073.1323.1573.1823.207160
1703.2073.2323.2573.2823.3073.3333.3583.3833.4083.4333.459170
1803.4593.4843.5093.5343.5603.5853.6103.6363.6613.6873.712180
1903.7123.7383.7633.7893.8143.8403.8663.8913.9173.9433.968190
2003.9683.9944.0204.0464.0714.0974.1234.1494.1754.2014.227200
2104.2274.2534.2794.3054.3314.3574.3834.4094.4354.4614.487210
2204.4874.5134.5404.5664.5924.6184.6454.6714.6974.7244.750220
2304.7504.7764.8034.8294.8564.8824.9094.9354.9624.9885.015230
2405.0155.0425.0685.0955.1225.1485.1755.2025.2285.2555.282240
2505.2825.3095.3365.3635.3895.4165.4435.4705.4975.5245.551250
2605.5515.5785.6055.6325.6605.6875.7145.7415.7685.7955.823260
2705.8235.8505.8775.9045.9325.9595.9866.0146.0416.0686.096270
2806.0966.1236.1516.1786.2066.2336.2616.2886.3166.3436.371280
2906.3716.3996.4266.4546.4826.5106.5376.5656.5936.6216.648290
3006.6486.6766.7046.7326.7606.7886.8166.8446.8726.9006.928300
3106.9286.9566.9847.0127.0407.0687.0967.1247.1527.1817.209310
3207.2097.2377.2657.2947.3227.3507.3787.4077.4357.4637.492320
3307.4927.5207.5497.5777.6067.6347.6637.6917.7207.7487.777330
3407.7777.8057.8347.8637.8917.9207.9497.9778.0068.0358.064340
3508.0648.0928.1218.1508.1798.2088.2378.2668.2948.3238.352350
3608.3528.3818.4108.4398.4688.4978.5268.5558.5858.6148.643360
3708.6438.6728.7018.7308.7598.7898.8188.8478.8768.9068.935370
3808.9358.9648.9949.0239.0529.0829.1119.1419.1709.2009.229380
3909.2299.2599.2889.3189.3479.3779.4069.4369.4669.4959.525390
4009.5259.5559.5849.6149.6449.6739.7039.7339.7639.7939.822400
4109.8229.8529.8829.9129.9429.97210.00210.03210.06210.09210.122410
42010.12210.15210.18210.21210.24210.27210.30210.33210.36210.39210.423420
43010.42310.45310.48310.51310.54310.57410.60410.63410.66410.69510.725430
44010.72510.75510.78610.81610.84710.87710.90710.93810.96810.99911.029440
45011.02911.06011.09011.12111.15111.18211.21311.24311.27411.30411.335450
46011.33511.36611.39611.42711.45811.48911.51911.55011.58111.61211.643460
47011.64311.67311.70411.73511.76611.79711.82811.85911.89011.92011.951470
48011.95111.98212.01312.04412.07512.10612.13812.16912.20012.23112.262480
49012.26212.29312.32412.35512.38612.41812.44912.48012.51112.54312.574490
50012.57412.60512.63612.66812.69912.73012.76212.79312.82412.85612.887500
51012.88712.91912.95012.98213.01313.04513.07613.10813.13913.17113.202510
52013.20213.23413.26513.29713.32813.36013.39213.42313.45513.48713.518520
53013.51813.55013.58213.61413.64513.67713.70913.74113.77213.80413.836530
54013.83613.86813.90013.93213.96413.99514.02714.05914.09114.12314.155540
55014.15514.18714.21914.25114.28314.31514.34714.37914.41114.44414.476550
56014.47614.50814.54014.57214.60414.63614.66914.70114.73314.76514.797560
57014.79714.83014.86214.89414.92614.95914.99115.02315.05615.08815.121570
58015.12115.15315.18515.21815.25015.28315.31515.34715.38015.41215.445580
59015.44515.47715.51015.54315.57515.60815.64015.67315.70515.73815.771590
60015.77115.80315.83615.86915.90115.93415.96715.99916.03216.06516.098600
61016.09816.13016.16316.19616.22916.26216.29516.32716.36016.39316.426610
62016.42616.45916.49216.52516.55816.59116.62416.65716.69016.72316.756620
63016.75616.78916.82216.85516.88816.92116.95416.98717.02017.05317.086630
64017.08617.12017.15317.18617.21917.25217.28617.31917.35217.38517.418640
65017.41817.45217.48517.51817.55217.58517.61817.65217.68517.71817.752650
66017.75217.78517.81917.85217.88617.91917.95217.98618.01918.05318.086660
67018.08618.12018.15318.18718.22118.25418.28818.32118.35518.38918.422670
68018.42218.45618.49018.52318.55718.59118.62418.65818.69218.72518.759680
69018.75918.79318.82718.86118.89418.92818.96218.99619.03019.06419.097690
70019.09719.13119.16519.19919.23319.26719.30119.33519.36919.40319.437700
71019.43719.47119.50519.53919.57319.60719.64119.67519.70919.74319.777710
72019.77719.81119.84519.87919.91319.94719.98220.01620.05020.08420.118720
73020.11820.15220.18720.22120.25520.28920.32320.35820.39220.42620.460730
74020.46020.49520.52920.56320.59720.63220.66620.70020.73520.76920.803740
75020.80320.83820.872750
°F 0 1 2 3 4 5 6 7 8 9 10 °F
INDUSTRY-NET-PREFERRED-SUPPLIER-LOGOINDUSTRY-NET-PREFERRED-SUPPLIER-LOGO
INDUSTRY-NET-PREFERRED-SUPPLIER-LOGOINDUSTRY-NET-PREFERRED-SUPPLIER-LOGO
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