Handy type dissolved oxygen meter DO-5509 1 piece

Dissolved oxygen can be measured with the flip of a switch Sensors for fish farms, sewage treatment plants, factories, etc.: Polarographic type Measurement range: 0 to 20 mg/L Resolution: 0.1mg/L Accuracy: ±0.4mg/L Usage environment: 0 to 50℃ 80%RH or less Power supply: 1 x 9V battery Size: 70(W) x 131(H) x 25(D) mm, approx. 350g Probe length: φ28×190mm Cable length: Approx. 4m Accessories: Dissolved oxygen probe, electrolyte, 9V battery x 1, instruction manual