Test tube rack made of polished hardwood. The rack has six holes to hold test tubes upright and 6 drying pins to hold the test tubes inverted. The holes will accommodate test tubes up to 24mm in diameter.
The smartest conductivity meter for wide applications,Meter stand can help to adjust visual angle of the LCD, Beeper alert for error message,User-friendly software with smart functions: auto/manual endpoint
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.
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.