Fluorescence Dissolved Oxygen Meter with 5m Probe Range 0.0-15.0mg/L/0-119.9%
Install the battery and connect the probe. (Note: alkaline battery is required for this machine!). Solution: 0.1 (mg/L). Size: 70 30 169mm. Press“Mode/∧" to switch unit between % and mg/L. Salinity compensation: 0~42ppt.