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.
Student Thermometers, This student grade partial immersion thermometer is etched in 1degree increments. Each thermometer comes with an anti-roll triangle and a re-usable plastic storage tube. Filled with a petroleum-based column with