Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

A PT100 probe is a platinum resistance thermometer with a nominal resistance of 100 Ω at a temperature of 0 ° C. Its features are regulated by the IEC 751 (EN 60751) standard. This type of temperature ...