Go Direct* Colorimeter, measures absorbance or transmittance of a liquid sample, Specifications: Range: 0 to 3 (absorbance), Useful range: 0.05 to 1.0 (absorbance), 90% to 10% transmittance (%T), Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm, Connections: Bluetooth, USB
Measures [degree]C/F. Range is -50 to 150[degree]C. Stainless steel probe. Has an accuracy of +-1[degree]C between -20 and 100[degree]C. Resolution is 0.1[degree] from -20 to 200[degree]. Stem length: 20.3cm. With 1.5V silver-oxide battery. NIST traceable.
KidWind Blade Pitch Protractor, incredibly helpful for measuring the blade pitch angle on your KidWind turbine, Recommended for College, High School, and Middle School Science