Rainbow Electronics LM335A - Manual (Page 9)

Typical Applications
(Continued)
Single Power Supply Cold Junction Compensation
DS005698-11
* Select R3 and R4 for thermocouple type
THERMO- R3 R4 SEEBECK
COUPLE COEFFICIENT
J 1.05K 385
Ω
52.3 µV/˚C
T 856
Ω
315
Ω
42.8 µV/˚C
K 816
Ω
300
Ω
40.8 µV/˚C
S 128
Ω
46.3
Ω
6.4 µV/˚C
Adjustments:
1. Adjust R1 for the voltage across R3 equal to the Seebeck Coefficient times ambient temperature in degrees Kelvin.
2. Adjust R2 for voltage across R4 corresponding to thermocouple
J 14.32 mV
T 11.79 mV
K 11.17 mV
S 1.768 mV
LM135/LM235/LM335,
LM135A/LM235A/LM335A
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