How can I measure temperature using B-Type thermocouples and a generic DVM?
You can measure temperature with a generic DVM by doing some arithmetic conversions in your computer. To demonstrate the procedure, we will use a E1326B with a E1347A multiplexer. The E1326 driver (which supports thermocouple temperature measurements) is used so that the manual procedure can be verified by the built-in temperature function. An example program in HP BASIC is provided. Measuring thermocouple temperature requires that the voltage at the end of the thermocouple be measured at a isothermal block. The temperature of the isothermal block must be known. For the E1347, the isothermal block temperature is determined by a thermistor embedded in a block of aluminum.
