550A dissolved oxygen meter

• with IP67 full watertight design, the host can still maintain watertightness at a depth of 1m, and can float automatically when falling into the water

• anti impact instrument shell, extra large background and light LCD, extra long battery life (2000 hours)

• field replaceable dissolved oxygen electrode module, stainless steel probe, durable and easy to sink into the water

• the latest screw in PE dissolved oxygen cover film and pretensioned film are used, which is convenient to use. The measurement range is wider, the response speed is faster, and the requirements for measuring the flow rate or mixing of water bodies are extremely low. It can accurately measure the dissolved oxygen in deep still water bodies and saturated and supersaturated water bodies

• install stress relief device at both ends of the cable to reduce material fatigue at the connection and effectively extend the service life of the cable

technical parameter

Sensor type:

steady-state polarographic sensor. It is applicable to the field and can be replaced by itself;

Power supply: four 2-type alkaline batteries. About 2000 hours at 25 ° C;

Automatic compensation function: automatic temperature compensation; Automatic salinity (0-70ppt) compensation; Air pressure compensation;

Cable length: 3.7, 7.5, 15, 30 m;

Applicable water body: clean water, sea water or sewage;

Measurement range: 0 to 500% air saturation: 0 to 50mg/l: temperature -5 to 45 ° C;

Resolution dual range: 0.1% or 1% air saturation; 0.01mg/l or 0.1mg/l;