Simple Anemometer, This simple tool measures wind speed and direction, The wind speed range is 0 to 17 meters per second (+/-10%). The direction indicator is divided into 16 compass points, A built-in compass is provided, Dimensions: 9in x 6in x 6in
MiniMag* Mini Magnetic Stirrer, Operating temperature: +4 - + 45 deg C, Working Space Platform: 3.4 x 3.4 in./ 8.5 x 8.5 cm Speed: 100 to 1500 RPM Stir Bar, Max Size: 30 mm, Operating Power: 100 to 240V, 50-60Hz 2W. 0.2A (5V DC power supply), Dimension: 4.7x4.7x1.2 in
Digital Luxmeter, economical solution for light measurements in a learning situations, the autoranging feature makes a one-button-and-done instrument, auto power-off conserves battery power, and other functions include MAX, MIN, and HOLD, Requires a 9V battery (not included)