Temperature range is -30 to 130[degree]C. 0.3% accuracy. Chemically resistant. Measures conductivity, resisivity, and dissolved solids. With glass probe and 9V alkaline battery. For reagent-grade water for CAP, ASTM, NCCLS, ACS. NIST traceable.
For microscopic examination of water or dust. Can be hermetically sealed for study of micro-organism growth. 33x70mm glass slide with a 20x50mm chamber, 1mm deep. All glass construction. Cover glass (supplied) is optically plain on both sides and 0.5mm thick.
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 250 Foot Depth
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