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 ...
Walking through most process plants or remote facilities, an observer will encounter a sizeable collection of temperature and pressure instruments. Without knowledge of the two critical parameters of ...
From thermocouples and thermistors to resistance-temperature-detectors (RTDs), temperature sensors are varied and ubiquitous, but it would be wise not to take them for granted. Each type comes with ...
Measuring temperature turns out to be a fundamental function for a huge number of devices. You furnace’s programmable thermostat and digital clocks are obvious examples. If you just needed to know if ...