Specification:
Item Type: Dissolved Oxygen Tester
Product Material: ABS
Battery Type: Lithium Ion Battery 500MAH (built in)
Measurement Range: DO: 0-199.9%, 0-20mg/L, Temperature: 0℃-50℃ (32℉-122℉)
Resolution: DO: 0.1%, 0.01mg/L, Temperature: 0.1℃ (0.2℉)
Accuracy: DO: ±3% F.S, Temperature: ±1.0℃
Temperature Compensation: 0℃-50℃
Working Temperature Range: 0℃-50℃
Weight: Approx. 262g / 9.2oz

Package List:
1 x Dissolved Oxygen Tester
1 x Electrode Cap
1 x Charging Cable
1 x User Manual
2 x Accessories
2 x Calibration Powder Pack

Note:
1. If the device fails to start, please charge it promptly.
2. Avoid frequent movement or touching of the device during charging to prevent affecting the charging effect or causing damage.
3. If you notice abnormally slow charging speed or inability to charge, check if the charger is tightly connected to the device and if the power source is normal.
4. After use, ​​ the electrode with distilled water or ​​ water, and gently dry the electrode with filter paper.