ROC pH/ORP-5500 series pH ORP online transmitting controller
This series instruments are widely used for online pH/ORP monitoring in environment protection water treatment, pure water treatment, industrial process and so on.

This series instruments are widely used for online pH/ORP monitoring in environment protection water treatment, pure water treatment, industrial process and so on.

Salt and water savings by using 100% capacity of the tank in service before switching to the second tank
Regenerates immediately when needed for continuous soft water
Corrosion-free fiber-reinforced polymer valve body


High Cost-Effective ,widely used for chemical industry,paper making industry,industrial coating,pharmaceutical,food,beverage,municipal water,Environmental and so on.

Time-tested hydraulically balanced piston, seal and spacer design to pilot service flow and regeneration
Solid, lead-free brass valve body for superior strength and durability
Backwash capacity handles tanks up to 30″ diameter
1-1/2″ top mount control valve ideal for smaller size commercial/industrial applications
Consistent brining regardless of salt levels with timed brine refills
Choice of 7 or 12 day clock, manual or meter
Continuous flow rate of 51 GPM with a backwash of 49 GPM

Applicable to all kinds of small and medium-sized single-stage, double-stage reverse osmosis control system. With simple operation, complete measurement and configuration, highly integrated system

Widely used for electric power,electronics,metallurgy,petrochemical,pharmaceutical ,food and beverage,environmental protection field.


Multiplex display, display window with free configuration of 2/4 parameters;
Support bus data acquisition of 1-4 channels with arbitrary attributes;
Support 1 way two-wire system 4-20mA variable input;
Support WiFi and LORA and other wireless data acquisition;
The 3-way control output can be configured with the over-limit alarm or DI associated output of any measurement channel.
Fully sealed, wall-mounted shell, according with site protective capability of IP65 protection type.
With CE certification