1. Performance characteristics

1.1 Automatic temperature compensation（0～45）℃；
1.2 Automatic salinity compensation（0～45）ppt；
1.3 Manual air pressure compensation（80～105）kPa；
1.4 Automatic calibration (calibrating water saturated air);
1.5 Stable display mode;
1.6 comply withGLPData management methods, data storage500Group (manual and automatic storage);
1.7 USBCommunication interface;
1.8 Temperature units can be selected（℃and℉）；
1.9 Factory settings can be restored★；
1.10Dissolved oxygen electrode with salinity compensation★Configure instrument carrying case;

1.11Equipped with a dedicated electrode calibration kit★Electrode polarization only requires(3～5)minThe electrode adopts a combined diaphragm cap;
1.12 68×53mmLarge screen LCD display with white backlight; There is a time display;
1.13 comply withIP57Dustproof and splash proof rating.

2Standard configuration

2.1 Portable dissolved oxygen analyzer host

2.2 Dissolved oxygen electrode (with temperature compensation and salinity compensation)(1.5m)

2.3Dissolved oxygen electrode diaphragm cap

2.4 Dissolved oxygen electrode solution

2.5 USBcommunication cable

2.6Communication software CD

2.7 Instrument carrying case

1 Main technical parameters

1.1measurement range

dissolved oxygen:（0～20.00）mg/L（ppm）

Dissolved oxygen saturation:（0.0～200.0）%

Temperature:（-10 ～110）℃

1.2 resolution

dissolved oxygen:0.01/0.1 mg/L

Dissolved oxygen saturation:0.1/1%

Temperature:0.1℃

1.3 Basic error

dissolved oxygen:±0.30mg/L

Temperature: ±0.4℃

1.4response time:30s（25℃，90%Response)

1.5Residual current:0.10mg/L