① IP67 fully waterproof design

② Low battery warning

③ Large screen LCD display with backlight

④ One or two point calibration methods

⑤ Record 120 sets of measurement data for easy viewing

⑥ Automatic temperature compensation, manual setting of pressure and salinity compensation

⑦ Two oxygen content measurement modes: percentage saturation and oxygen concentration

⑧ Microcomputer design, battery powered, ultra-low power portable instrument

Accessories (optional): Dissolved oxygen electrode+portable bag (standard)

Accessories (optional): Throw type dissolved oxygen electrode (optional)

Scope of application: Widely used in field measurement, mobile monitoring, on-site rapid measurement, and accurate laboratory analysis, especially suitable for

inspection and monitoring of environmental monitoring stations