Demonstration Spherometer Subcategory_Weights and Masses Paired safety-socket outputs deliver two

Paired safety-socket outputs deliver two selectable ranges 0-70V and 0-125V DC at 300mA

gripping objects up to 90 mm and mounting to support rods up to 15 mm for chemistry and physics setups

fastened by two wide-pad stainless steel thumb screws under heavy torsional load

the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos

Locking control at any extension on this two-meter retractable tape measure

Demonstration Spherometer Subcategory_Weights and Masses Paired safety-socket outputs deliver twoDemonstration spherometer with an oversized 133 mm dial head and baked enamel finish, letting an entire classroom read spherometer values before students work with benchtop units.