ICON D500 & D520 Series pH/ORP Controllers are durable corrosion‑resistant instruments available in single (D500) or double (D520) screen configurations. Modular design ensures efficient installation and operation, delivering initial measurement results within less than a minute. Comprehensive features include relay, 4‑20mA, and RS485 outputs included as standard. SimplCal functionality streamlines sensor calibration. Setup is facilitated by a user‑friendly step‑by‑step on‑screen menu.

Active display with red alarm LED promptly notifies users of sensor readings beyond set parameters, serving as a reminder for sensor maintenance. Full color, multi‑line display. Panel, pipe, or wall mount. 400 days of datalogging. High limit, low limit, hysteresis control.