PH-1800 PH/ORP Meter
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.

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

Versatile top or side mount is suitable for commercial or industrial applications
Backwash capacity accommodates tanks up to 63″ diameter
Flexible 7 or 12 day time clock or meter initiated regeneration
Ideal for most filter applications up to 42″

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

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


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

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

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.