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.

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

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

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

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.

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


Online dissolved oxygen detector is an online intelligent dissolved oxygen detector produced by our company with the introduction of foreign technology, using imported components and dissolved oxygen film head, based on the latest polarographic analysis technology, and advanced production technology and surface attachment technology. The use of this series of advanced analytical techniques to ensure long-term stability, reliability and accuracy of the instrument. With Chinese menu operation, 485 communication and other functions. It can be widely used in chemical fertilizer, metallurgy, environmental protection water treatment engineering, pharmaceutical, biochemical, food, aquaculture and tap water and other solutions for continuous monitoring of dissolved oxygen value.

BSQ-MINI is widely used in metallurgical manufacturing, electric power, light industry, textile, water treatment equipment, tap water pipe network and scientific research and other industrial sectors.