Portable Digital Voltmeter, 0-20V DC Subcategory_Zoology Models Long 1000mm black 2mm-plug lead

Long 1000mm black 2mm-plug lead with a crocodile clip on the opposite end

Two-thousand-turn 0

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

holding twelve tubes up to 22 mm diameter for classroom and professional bench setups

and accessories for combined friction and inclined-plane work

Portable Digital Voltmeter, 0-20V DC Subcategory_Zoology Models Long 1000mm black 2mm-plug leadBattery powered portable digital voltmeter measuring 0 20V DC at plus or minus 1 digit accuracy on a large LCD, sized to give student bench setups a direct numeric reading without analog parallax.