These handheld dissolved oxygen (DO) meters are perfect for mobile applications. Rugged construction provides durability, while the navigation pad presents an intuitive interface and T-pad button configuration.
The InLab ISM (Intelligent Sensor Management) series of electrodes stores its ID number, serial number, and calibration data. Connect the conductivity cell to the meter it and it automatically communicates this information—no need to select electrode type when switching or recalibrate every time you power on the meter.

Pro (S9-Series) kit lets you choose from twelve language options and USB connectivity for downloading readings. The brilliant display is sunlight proof—ideal for outdoor use. Additional LED status lights let you make readiness checks at a glance.