Portable hand-held dissolved oxygen meter for water quality

• economical digital display with dissolved oxygen and temperature readings. High cost performance

use a new generation of rapid reaction / low agitation dependent PE capping film fully automatic temperature compensation; Manual salinity compensation and manual atmospheric pressure compensation

• full battery operation, with low battery indicator function. The shell of the instrument has good waterproof performance and is designed with p65 waterproof grade

• economical, durable, accurate and reliable. Stainless steel probe with plastic protective sleeve makes it easier to sink into the water. The cable shall be equipped with stress relief device to reduce the material fatigue at the connection and effectively extend the cable life. Suitable for field use

technical parameter

Sensor type: steady-state polarography with PE cover film;

Power supply: 1 9V battery;

Compensation range: Salinity 0 to 40ppt;

Air pressure 600 to 1100 mbar;

Cable length: 4m or 10m

Do air saturation measurement range: 0 to 200%;

Resolution: 0.1%;

Accuracy: ± 2% of reading or ± 2% of air saturation, whichever is the maximum;

Do mg/l measurement range: 0 to 20;

Resolution: 0.01;

Accuracy: ± 2% of reading or ± 0.2mg/l, whichever is the maximum;

Temperature measurement range: -6 to +46 ℃;

Resolution: 0.1 ℃;

Accuracy: ± 0.3 ℃± 1 LSD;