Controller
Controller
Model: 4801 pH Controller 4802 ORP Controller Features: 1. Compact 1/16 DIN size fits into standard industry panel cutouts. 2. Microprocessor for reliable, accurate measurement and control of pH. 3. Large and super bright LED display of pH (red) and temperature (green) 4. Rear screw terminals for power, 2 sets of relays, Pt 100 inp...