Sliding Rheostat Dual Tube
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Product Code : SCL-OS-12287
The StemAids Dual Tube Sliding Rheostat is a high-capacity variable resistor engineered for University and Vocational electrical laboratories. Designed for precise current regulation and potential divider applications, it meets rigorous safety standards for high-wattage dissipation. This apparatus facilitates empirical verification of Ohm’s Law and circuit analysis in heavy-load environments, ensuring thermal stability and linear graduation across secondary and higher education curricula.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Configuration |
Dual Tube / Double Pipe Parallel Assembly |
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Resistive Element |
Oxidized Eureka/Constantan wire with low temperature coefficient |
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Support Tube Material |
Vitreous Enameled Steel or High-Insulation Ceramic |
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Slider Mechanism |
Self-lubricating, heavy-duty phosphor bronze spring contacts |
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End Supports |
Die-cast metal or ruggedized heat-resistant polymer with mounting holes |
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Terminal Type |
4mm safety-shrouded brass terminals (All-metal/Insulated options) |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
8533.39 (Electrical variable resistors, including rheostats and potentiometers) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Dual-Tube Parallel Winding Outcome: Facilitates high-wattage heat dissipation during prolonged circuit operation, allowing students to Analyze circuit behavior under significant thermal loads.
Feature: Linear Sliding Graduation Outcome: Enables precise incremental resistance adjustment, supporting the Application of Wheatstone Bridge and Potentiometer balancing techniques.
Feature: Oxidized Resistive Wire Outcome: Provides consistent insulation between adjacent turns, ensuring students Evaluate resistance values based on length without short-circuit interference.
Feature: Three-Terminal Architecture Outcome: Allows configuration as either a variable resistor or a potential divider, supporting Synthesis of complex voltage regulation modules.
International Logistics & Compliance
StemAids ensures seamless logistical integration for global institutional procurement:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring internal shock-absorption to protect ceramic/enameled components during multi-modal transit.
Documentation: Shipments include the Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification, and comprehensive Technical Manuals in English.
Durability: Tropicalized design featuring corrosion-resistant hardware, tested for reliable operation in demanding laboratory climates (up to 45°C and 90% non-condensing humidity).
Direct OEM Sourcing Advantages
Procurement through StemAids leverages the benefits of vertical manufacturing integration and factory-direct oversight:
In-house Precision Calibration: Every dual-tube unit is verified for resistance range and current carrying capacity against NIST-traceable standards.
Batch-Tested for Uniform Reliability: Resistance wires are pre-aged and tested for oxidation uniformity to ensure zero-point drift during academic terms.
Direct Factory Spares Availability: Guaranteed access to original slider assemblies, resistive wire spools, and terminal blocks directly from the OEM production line.
Manufacturing Control: Factory-direct authority ensures the use of high-purity alloys and industrial-grade ceramic insulation, preventing the mechanical failure common in non-OEM alternatives.
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