Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical showing the deflection of a

showing the deflection of a current-carrying wire through a fixed magnetic field via 4mm safety sockets

and raised graduations with full autoclave and dishwasher tolerance

Two-ohm wire-wound fixed resistor in an ABS module with 4mm sockets

Fitted with a grey hand knob for tightening and a small plastic pulley

and 60mm sheaves on a 4-inch mounting rod

Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical showing the deflection of aTensioner pulley keeps chain engagement consistent on this hand cranked chain drive, viewable between clear plates so students watch sprocket teeth grip and transfer torque under load.