YK-2001PHA – Multi-Parameter pH / ORP / DO / Conductivity / Salt Meter All-in-one meter measuring pH/ORP, dissolved oxygen, conductivity (TDS/CD), and salt %, with ATC, large...
PH-207 – pH/ORP Meter with RS232 and ATC Capability High-accuracy pH and ORP meter with 0–14 pH / 0–1999 mV range, RS232 PC interface, and optional automatic temperature...