Yokogawa Electric Corporation ISC202S-F-E Inductive Conductivity Transmitter

The Yokogawa ISC202S-F-E Inductive Conductivity Transmitter is a two‑wire, loop‑powered device that measures liquid conductivity with inductive (contactless) sensing and converts the result to a 4–20 mA signal for process monitoring and control. It operates from 17–31.5 V DC, supports measuring ranges up to 0–1999 mS/cm (application dependent), and provides an isolated 4–20 mA output with optional HART; communication options include HART, PROFIBUS-PA, and FOUNDATION Fieldbus. Built for harsh industrial environments, the epoxy‑coated aluminum housing is IP65 / NEMA 4X rated and supports field, panel, pipe, or wall mounting; it is commonly paired with Yokogawa ISC40 inductive conductivity sensors, offers accuracy of ±(0.4% FS + 0.3 μS/cm) with a response time of ≤8 seconds for 90% of a step, and operates from -20 to 140°C with automatic compensation.