Extech 423901, 423902 Data Sheet

Document M60500, p. 1 of 1

Copyright © 2002 all rights reserved

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Parameter Range Resolution Accuracy (% of reading)
Type J –274 to 2192°F (–170 to 1200°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)

Type K –184 to 2372°F (–120 to 1300°C)
Type T –184 to 752°F (–120 to 400°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)

Type E –238 to 1832°F (–150 to 1000°C)
Type R 932 to 3092°F (500 to 1700°C) 0.1°F/°C ±0.03% + 0.54°F (0.3°C)

Type S 1472 to 3200°F (800 to 1760°C)
Type B* 1832 to 3308°F (1000 to 1820°C) 0.1°F/°C ±0.03% + 0.72°F (0.4°C)

Type C 32 to 4172°F (0 to 2300°C)
Type G 392 to 4172°F (200 to 2300°C) 0.1°F/°C ±0.03% + 0.72°F (0.4°C)

Type D 32 to 3992°F (0 to 2200°C)
Type U –184 to 752°F (–120 to 400°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)

Type L –292 to 1400°F (–180 to 760°C)
Type N 32 to 2372°F (0 to 1300°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)

Type B

†

32 to 2552°F (0 to 1400°C)

Pt 100 Ω –328 to 1112°F (–200 to 600°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)
Ni 100 Ω –76 to 356°F (–60 to 180°C)

Ni 120 Ω 32 to 302°F (0 to 150°C) 0.1°F/°C ±0.03% + 0.18°F (0.1°C)
Ω 0 to 400 Ω 10 mΩ

±0.03% + 38 mΩ (in);

±0.04% + 78 mΩ (out)

mV –18 to 21, 21 to 100, 0 to 1000 mV 1 µV, 10 µV, 0.1 mV

±0.03% + 3 µV, ±0.03% + 6 µV,

±0.03% + 60 µV

mA 0 to 21 mA 1 µA ±0.03% + 0.5 µA

* High temperature range for thermocouple type B
† Low temperature range for thermocouple type B

Full Temperature Range and Accuracy
for Extech Precision Multifunction Calibrators