LUTRON PDO-519 Dissolved Oxygen, all in one

Description

DISSOLVED OXYGEN METER, all in 1
Model : PDO-519
* Range : 0 to 20.0 mg/L x 0.1 mg/L.
* Temperature : 0 to 50 oC, oC/oF.
* Automatic temperature compensation.
* Probe with the meter, all in one.
* Polarographic type oxygen electrode,
professional.
* Data hold, Record ( max., min. ).
* IP-67 Water resistance, heavy duty.
* External calibration buttons.
* DC 1.5V battery ( UM-4, AAA ) x 4.