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.

Digital Laser Turbidity online analysis sensor,It can be used for on-line monitoring of water quality in different water bodies such as waterworks and membrane filtrate,The sensor internally completes all measurement calculation compensation

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


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

Flexible 7 or 12 day time clock or meter initiated regeneration
Fully adjustable, 5-cycle control delivers upflow back wash, downflow brining, slow rinse, rapid rinse and down flow service
Designed for single tank or multi-tank systems, alternating or interlocking
Continuous flow rate of 250 GPM

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

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

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.