This is why two-wire technology is often referred to as loop power. A loop-powered instrument using a 4-20 mA output regulates its current consumption to vary in proportion to its measured process ...

Such an instrument is nice to have and very convenient—but ... down switch-mode regulator with the required measurement setup. Start by breaking the loop of the power supply’s regulator circuit ...

Tel-Tru Mfg Co announces the next generation of Digi-Tel electronic thermometers featuring new loop-powered configurations with 4- to 20-mA output. These instruments are designed and built to ...

At completion -- researchers have a target date of March 31 -- the cable will circle in a wide loop around the deepest ... includes both copper wire to power the instruments planned for the ...