1. [ON-THE-GO TESTING] Perfect for field surveys, aquaculture bases, and river banks where desktop instruments are impractical.
2. [DIGITAL DISPLAY] LED screen shows precise dissolved oxygen and temperature readings at a .
3. [EASY TO USE] No complex training required, simply calibrate, immerse, and read for quick measurements.
4. [ACCURATE RESULTS] Built-in temperature sensor and auto temperature compensation for reliable data in any season.
5. [CONNECTIVITY AND BATTERY] Stay connected with , rechargeable battery for up to 5 days of continuous operation.

Spec:
Item Type: Dissolved Oxygen Meter
Material: Plastic, Metal
Measurement Range:
DO: 0 - 199.9% (corresponding to approximately 0 - 20.00 mg/L; range may vary slightly with temperature).
Resolution:
DO: 0.1%; Temperature: 0.1°C
Accuracy:
DO: ±0.3% f.s; Temperature: ±1°C
Response Time: 30 seconds (at 25°C)
Automatic Temperature Compensation: 0 - 60°C
Battery: 500mAh rechargeable battery (Built-in)
BT Function: Enables real-time data transmission between the device and a mobile phone within a 10-meter range
Charging Function: Support. The device can operate continuously for 5 days on a full charge.
APP Language Support: Chinese (Simplified/Traditional), English, French, German, Russian, Japanese, Korean, Spanish
Data Export: Supports data export via email at frequencies of "hourly, daily, weekly, monthly
Package Size: Approx. 13*13*11cm/5.12*5.12*4.33in
Package Weight: 256g/0.56lb

packing list:
1 x Tester
2 x Membrane Cap
1 x USB Magnetic Charging Cable
2 x Reagent Powder Pack
1 x User Manual