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Air-Cooled Laboratory Rheostat

The Classic Lab Solution for Controlling Voltages and Currents

Useful for a variety of lab demonstrations, these rheostats provide a variable resistance in electrical circuits.

Features include a wire winding on a vitreous enameled tube with cast-aluminum end supports to hold the tube. Aluminum sliding contact carriage, mounted on the slide bar, carries a copper contact asresistance and current rating stamped on the upper surface of the contact carriage.

Includes three binding posts, one at each end of the copper winding and the other at one end of the slide bar, for electrical connections Diameter of coil: 5cm.

Unit measures 35cm x 13cm.


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Item # Description Unit Price Quantity
CP32179-05 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 170, Max. Current (Amps.): 1.60
Each Retrieving
CP32179-06 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 89, Max. Current (Amps.): 2.10
Each Retrieving
CP32179-07 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 44, Max. Current (Amps.): 3.10
Each Retrieving
CP32179-08 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 22, Max. Current (Amps.): 4.30
Each Retrieving
CP32179-09 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 11, Max. Current (Amps.): 6.20
Each Retrieving
CP32179-10 Air-Cooled Laboratory Rheostat, Rated Resistance (Ω): 5.6, Max. Current (Amps.): 8.40
Each Retrieving


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