Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.
Anemometer, measure wind speed in a variety of experiments. Hold the sensor in your hand to measure wind speed in dynamic environments or use the accessory rod to position it in front of wind tunnels or fans, standard camera mount on the back.
Double wall calorimeter with easily removable spring heating element, Operates on 3-6V DC at approximately 5 watts, Inner aluminum 150mL reservoir, aluminum outer, plastic insulator ring, Lid accepts heating element, stirrer, and thermometer cork, 5.1x4.7x7.1 in, 0.7lbs
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