Four-in-One Solar Sensor
Product Number: SB47398
In Stock (Ships within 1-2 business days)
Grades 4 and up. A sturdy, easy-to-use meter that allows students to measure the intensity of sunlight in foot-candles by aiming the photocells mounted on the top of the unit towards the light source. A scale on the meter provides a readout from 0 to 10. This versatile meter may also be used to test moisture, fertility, and alkalinity content in soil. No batteries required. Includes a detailed insert on how to use.