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If you have any questions, please feel free to contact us and we will respond within 24 hours.
Descriptions:
1. Lightweight and portable, easy to carry.
2. Use ergonomics. It is easy and fast for user to use with simple key operation mode and comfortable hand feeling.
3. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.

<;b>Specifications<;/b>:
Model:AR8210
Battery Type:4 x LR44 button type batteries （not include）
Dissolved Oxygen measuring range:0.00-20.00mg/L
Accuracy: ±0.4mg/L
Respond time: <;30s
Temperature measuring range:0-40°
Solvement temperature compensation range:0-40°
Data hold:yes
Backlight:yes
Calibration:yes
Size:140 x 40 x 40mm
Weight:132g

Package List:
1 * Dissolved Oxygen Meter (Battery is not included)
1 * Storage Bag
1 * User Manual

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