DO-66 Pen-type Dissolved Oxygen Tester

Description

DO-66 is a portable pen-style dissolved oxygen analyzer equipped with a membrane dissolved oxygen electrode and automatic temperature compensation. Compact and lightweight, it comes with a PP plastic carrying case. Powered by 2 AAA batteries, it offers up to 600 hours of continuous use with low battery reminder. The device is waterproof except the battery compartment. It supports 0% and 100% two-point automatic calibration for easy operation. Suitable for field water quality testing in aquaculture, hydroponics and water treatment projects.