เครื่องวัดออกซิเจนในน้ำ PDO-519 

Lutron PDO-519 Dissolved Oxygen Meter

Model  Lutron PDO-519

A dissolved oxygen meter is used to measure the amount of oxygen present in a unit volume of water. This is very useful for applications such as water treatment plants, sewage treatment works, river monitoring, aquariums and fish farming. 

Features:

Range: 0 to 20 mg/L x 0.1 mg/L

Temperature: 0 to 50⁰C, ⁰C/ ⁰F

Automatic Temperature Compensation

Probe with Meter, All in one

Polargraphic type oxygen electrode, professional

IP-67 Water Resistance, Heavy duty

External Calibration Buttons

DC 1.5V battery (UM-4,AAA) x 4