OP113 wide range of precision temperature measurement circuit

Posted on Mar 28, 2007

The circuit consists of K-type thermocouple cold junction compensation circuit, precision 5. OOOV reference voltage source and OP113 composition, can o-lOooqc to measure the temperature, the temperature resolution of 0.02cC. OP113 wide range of precision

OP113 wide range of precision temperature measurement circuit
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temperature measurement circuit in Figure 1-18 below. K thermocouple temperature detection object to be measured, VD, and the like cold junction compensation, IC1 provides 5.OOV reference power. OP113 low drift (maximum voltage drift lOOmV, maximum drift 0.2mV / ), low noise, wide (3. 4MHz) operational amplifier, here for high-gain amplifier, when the temperature changes within a 0 lOooqC, output voltage O ~ 10. OOV.

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