0.3% accuracy. Measures conductivity, resistivity, dissolved solids. Selectable ranges. Readings internally referenced to standard of 25[degree]C. With RS-232 output, jack, probe. NIST traceable. Measures reagent-grade water for ASTM and more.
Wisconsin Plankton Sampler 80um, includes carry case, stainless steel net ring, Mouth diameter: 130 mm (5”), Ring diameter: 180 mm (7”), Includes matched Wisconsin bucket and adapter, Nets and Nitex* bucket strips a
CO2 To the Rescue Lab Activity kit, to invent a small device that could rescue a cell phone that accidentally falls into water, Students conduct a pair of chemical reactions to determine which of two acids react with baking soda to produce the most CO2 gas