EQ – pH / ORP-5520 series is an online pH and ORP Controller , with plug-in pH / ORP-1220 sensor, which has good measurement accuracy, anti-interference, easy to install and operational features.
Features
• White backlight LCD screen, several operations, easy for operation Ø Compatible with six kinds of buffer solutions suitable for international standards.
• Selectable temperature sensor which reduce the replacement cost；
• Manual calibration is easy for on-site calibration.
• EMC enhancement type could run smoothly under various kinds of industry environment.
• （4~20）mA output supports instrument/transmitter modes and satisfies all 4~20mA receiving units.
• Double relay high/low and delay control function could fulfill pH or ORP interval control and adjustment
