I recently contributed a design for a simple platinum resistance temperature detector (PRTD) resistance two-wire 4-20mA transmitter circuit illustrated in Figure 1. Figure 1 A two-wire, 4 to 20 mA ...
Accurate, inexpensive, and mature platinum resistance temperature detectors (PRTDs) with an operating range extending from the cryogenic to the incendiary are a gold (no! platinum!) standard for ...
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