Check the listing for details. Rheostat - 225 ohms - Air Cooled - Eisco Labs - Max. Current 1.2 Amps. Condition: New. Listed at 65.29 USD. Rheostat - 225 ohms - Air Cooled - Eisco Labs - Max. Current 1.2 Amps Useful for a variety of lab. demonstrations. These rheostats provide a variable resistance in electrical circuits. Oxidized constantan wire is wound on viterous enameled tube. Sliding contact carriage, mounted on the slide bar, carries a phosphor bronze contact for long life. 3 binding posts, one at each end of the winding and the other at the end of the slide bar for electrical connections. Unit measures approximately 12" in length. Product Details BrandEISCOManufacturerEISCOProduct TypePhysics Science KitsMpnPH1151A Great classroom demonstration toolExcellent for providing hands on understandingOxidized constantan wire wound on viterous enameled tubeSliding contact carriage, mounted on the slide bar, carries a phosphor bronze contact for long lifeResistance 225 Ohms, Max. Current 1.2 amps; Tube Size : 300 x 44 mm Check out my other items. -Powered by