PH/ORP-9900 Water Quality Test PH/ORP Controller
On-line analysis and process control of the oil refining, metallurgy,chemical synthesis industry process;

On-line analysis and process control of the oil refining, metallurgy,chemical synthesis industry process;


Fluorescence quenching principle, no need for internal filling, no oxygen consumption, and easy maintenance;
The service life of the fluorescent membrane cap is more than one year (under ideal conditions);
Original altitude, atmospheric oxygen partial pressure, temperature compensation, to improve the authenticity of the data;

Incorporates 2 time-tested, hydraulically-balanced pistons to independently pilot service flow and regeneration
For use with single or multiple tank systems
Backwashes softener tanks up to 36″ diameter
Continuous flow rate of 106 GPM

Easily-adjustable, 5-cycle, downflow-brining control
Rugged, long-life construction features a lead-free brass valve body
Uses conditioned water for regeneration

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

For complex industrial processes, sewage treatment, water reuse, environmental monitoring, industrial field control, chemical process, thermal detection and discrete control, data transmission control and remote data transmission.

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


Widely used for chemical industry,pharmaceutical,food,beverage,industrial coating,municipal water,Environmental,etc.conductivity (resisitivity) online measuring and control. It is a small-scale, industry leading and High Cost-Effective conductivity/resistivity integration online controller.