Roger Frost: science, sensors and automation

Tagged: other sensor

schools technology / science experiments

ultra-violet sensor

Might be used for measuring the variation in UV light during the day or as meter to compare sun creams and sunglasses. UV sensors can be found in ‘wearables’ like smartbands and watches. 

schools technology / science experiments

humidity sensor

A less widely used sensor that nevertheless shows interesting results when monitoring environments over time. Place one in a polythene bag with your hand, or a plant and see how the humidity changes. The...

schools technology / science experiments

conductivity sensor

This sensor is used in conjunction with a conductivity cell. It tends to used as a stand-alone meter to measure salinity or total dissolved solids in water. Offers some enhancement when used to monitor...

schools technology / science experiments

light sensor & colorimeter

Often used elaborately to produce a makeshift colorimeter, the light is very useful for many biology and chemistry experiments on rates of reactions. As monochromatic light is less important with turbid solutions the makeshift...

schools technology / science experiments

heat flow sensor

Used to measure the flow and direction of heat through clothing or building materials. It contains countless thermistors and unlike a temperature sensor, provides readings as Watts/m2. While its classroom uses seem limited, this...