The YSI Professional Series Handheld Field/Laboratory Measuring Instrument is a new product developed and tested by YSI over several years, adhering to the business philosophy of continuously meeting new customer needs.

YSI ProPlus is the flagship product in this series, equipped with sensor technology that has been tested and YSI's reputation is guaranteed. Combined with multiple breakthrough designs, it has more complete functions, more stable performance, more convenient operation, unique exterior design, and high collision resistance.

Widely used for water quality measurement of surface water, drinking water, and overflow of sewage treatment plants; Wetland monitoring; Research on Salt Tide Invasion; Laboratory BOD testing and other projects.

	Four interface probe: ISE/ISE/dissolved oxygen/conductivity/temperature
	Available cable and single/dual port probe combinations

1. Multiple parameter options: dissolved oxygen BOD、pH、ORP、 Conductivity, ammonia nitrogen, nitrate nitrogen, chloride and temperature

2. Cables and probes can be replaced by users in the field without the need for special tools

3. Three body separation of host, cable, and probe: The same host can be equipped with cables of different lengths and parameter interfaces to meet different application needs

4. IP67 waterproof rating, the battery compartment and instrument circuit compartment are independently separated and sealed, even if the battery compartment is flooded, it will not affect or damage the instrument circuit

5. By connecting the ProPlus host and computer with the standard USB cable, not only can the host be powered, but the easy-to-use Data Manager Chinese software can also be used to set up the host, manage and analyze data, and view graphical and tabular data

6. Provide two options for dissolved oxygen probes - primary cell method or Polarographic method

7. MS military connector, quick plug and play, waterproof, reliable and stable connection

8. The joint part of the cable can withstand 300000 bends and is durable

9. Stainless steel probe protective cover, sturdy and impact resistant, easier to sink into water

10. The luminous keyboard and background light display screen are easy to operate in low light environments

11. Designed ergonomically, with a comfortable feel and exquisite appearance

12. Graphic display with built-in detailed help information

13. Long lifespan, minimal consumables, and low average usage cost

14. Long warranty period: Three years for the host and two years for the cable

application area

1. Measurement of surface water and underground drinking water, measurement of agricultural water quality parameters

2. Non point source pollution in inland and coastal areas

3. Overflow from sewage treatment plants

4. Groundwater near sewage treatment plants that may be contaminated

5. Overflow caused by rainstorm

6. Water for entertainment projects

7. Surface Water Engineering

8. Wetland monitoring

9. Research on Salt Tide Invasion

10. LaboratoryBODtest

11. Food and beverage industry, mainly wine and beer

12. Data comparison as a long-term unmanned monitoring device

13. University research projects