Ohaus ST20D DO Pen Meter 0.0-19.9mg/L with Temperature Display BLUETTI PV200 Lightweight & Perfect for Everyday

Lightweight & Perfect for Everyday Carry

RF + Suction (Face): Combines radio frequency with vacuum suction to promote blood flow

Budget-Friendly: No need to buy a separate tray

Charging Time: 4H

Support resolution up to 4K@60Hz YUV4:4:4 chroma sampling

Ohaus ST20D DO Pen Meter 0.0-19.9mg/L with Temperature Display BLUETTI PV200 Lightweight & Perfect for EverydayDescription: The Ohaus ST20D DO Pen Meter is a compact and convenient tool for measuring dissolved oxygen (DO) in various applications. With a measurement range of 0. 0 19. 9mg L and a built in temperature display, this pen meter provides accurate and reliable results. It features an automatic shut off feature and easily replaceable electrodes for convenience. The meter is powered by 4 AG13 batteries and has a battery life of 100 hours. The LCD