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Variable LED intensity transmitted illumination
Model of Plate Tectonics & Ground Configuration
Simulation demonstrates the Hearing Sense
3" (60mm) dia
2 x 6" x 3/4" Tongue Depressor
Hair Hygrometer Heart Model Variable LED intensity transmitted illuminationCircular dial type hygrometer with scale 0 to 100x1% RH (Relative Humidity). Premium Quality: Hair Hygrometer is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
