Rheostat, Constantine (Eureka) Wire
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Product Code : EL-E-10284
Last updated: 6 October 2026
Quick answer: Rheostat, Constantine (Eureka) Wire is a physics laboratory apparatus manufactured by Ambala Science Lab in Ambala, Haryana, India, and supplied to schools, colleges, nursing and medical teaching institutions in India and export markets.
The sturdy construction & good heat dissipation of these rheostat make them ideally for general laboratory use. Support consists of Bakelite or aluminium moulded support that tights the pipe on each side with rod and nuts. Pipes are made from special porcelain. The guide rod carrying contact black is tightened with screw to projection of the supports. The sliders contacted with Phosphorous-Bronze contact. These have double contact system and move smoothly on the sliding rod. Three brass terminals are provided. One terminal being connected to the sliding contact and the other two of the ends of winding, enabling the rheostat to be used as variable resistance or potential divider. Heavy brass block is provided for smooth movement for long life. Winding wires: The layers of electrical oxidized Constantine (Eureka) wire wound on an insulated heat resistance porcelain pipe according to the length required. Available in Current Rating of 0.6 Amperes to 8 Amperes
Technical specifications
Specification |
As published |
Product type |
Physics laboratory apparatus |
Materials stated |
aluminium, brass, Bakelite |
Manufactured in |
Ambala, Haryana, India |
Only the figures published for this model are listed above. Confirm overall size, moulding material, packing dimensions and gross weight in writing before ordering, particularly for tender or export consignments.
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Range and ordering
This item is part of the Electrical range within Biology Lab Equipment. Bulk, tender and OEM quantities, including buyer branding, are handled through lab tenders and OEM orders. Email [email protected] or use the contact page.
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