Demonstration Induction Coil, Heavy Gauge Enamelled Copper Wire Wound On Former 110 X 30 mm. Secondary Coil Of Fine Enamelled Copper Wire On Former 120 X 82 mm. Both Coils Fitted With 4 mm Sockets, With Primary Of Heavy Gauge Enamelled Copper Wire
Electric Calorimeter, can be used as a classic standard calorimeter or as an electric calorimeter, Material: aluminum and plastic, liquid capacity of 175ml, and a heat capacity of 25J/ deg C, Electrical requirements are 6V DC, up to 2A, Dimension: 10x11cm
That provides accurate measurement of pH, oxidation-reduction potential(ORP), conductivity, salinity, and total dissolved solids (TDS).Starter pen meter are the economical option,Simple Operation in a Slim and Portable Design
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
DC Voltmeter, Full scale and fully enclosed, For numerous electrical experiments, Color-coded binding posts, Can be used with Banana cords, Voltage: 0 to 3V, 0 to 10V, 0 to 15V, Accuracy: +/-2.5%
Knife Switch, Single Pole - Single Throw, Durable Plastic Base Knife Switches That Stand Up During Tough Student Use. Poles & Knives Are Made Of Brass For Good Electrical Connections.