pH/ORP-3500 series pH/ORP Online Meter
One kind of popular and cost-effective online pH/ORP controller.

One kind of popular and cost-effective online pH/ORP controller.

a. On-line analysis and process control of the oil refining, metallurgy,chemical synthesis industry process;
b. Water quality on-line analysis for the power industry, electronic industry,pharmaceutical industry, clinical equipment, food industry, beverage industry etc;
c. Online analysis and drug maintenance of the process for environmental monitoring, waste water treatment, water purification ;
d. Industry of the people’s livelihood, such as municipal water treatment, circulating cooling water, swimming pool management, scientific and technological agriculture;
e. The biological fermentation, industrial coating, chemical process experimental study.


ROC-8221 is a combined control instrument of a single-stage reverse osmosis controller and double-channel on-line conductivity instrument.


Turbidity is the expression of suspended objects in water to the degree of obstruction of light transmission. This product uses RS485 interface to communicate with the digital sensor, high data accuracy, strong anti-interference, can directly control the digital sensor calibration and automatic cleaning and other functions.

“One Dynamic and Two Static” Double Static Ceramics Plates Multi-port Valve is on behalf of another beginning in the field of water treatment control, which can overcome many disadvantages of traditional products in installation.

Widely used for online measurement of acid&alkali in low concentrations and the low viscosity single-phase fluid of non-trade settlement process.

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

Single stage RO controller used for conductivity monitoring and process program control .