Rheostat 6 Inches
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Product Code : SCL-OS-12292
The StemAids 6-inch Linear Rheostat is a compact, high-stability variable resistor engineered for precision current regulation in secondary and vocational (TVET) laboratories. Optimized for fundamental Ohm’s Law verification and circuit analysis, this unit utilizes oxidized alloy wire wound on a heat-resistant ceramic core to meet ASTM laboratory safety and thermal performance standards for entry-to-mid-level physics curricula.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Oxidized alloy resistance wire wound on a vitrified ceramic insulator |
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Dimensions |
150 mm (6 inches) active winding length |
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Terminal Interface |
Triple-terminal configuration with 4mm safety-shrouded binding posts |
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Slide Mechanism |
Low-friction metal contact wiper with high-dielectric insulated handle |
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Support Structure |
Ruggedized die-cast metal end supports with chemical-resistant coating |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
8533.40 (Electrical variable resistors, including rheostats) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Triple-Terminal Architecture Outcome: Enables students to configure the device as either a current-limiting rheostat or a voltage-dividing potentiometer, facilitating the synthesis of complex circuit topologies.
Feature: Open-Wound Ceramic Core Outcome: Provides a visible correlation between conductor length and electrical resistance, supporting empirical data collection for resistivity and material science modules.
Feature: Precision Sliding Contact Outcome: Allows for granular adjustment of circuit parameters, fostering high-resolution manual data acquisition during V-I characteristic mapping experiments.
International Logistics & Compliance
StemAids ensures seamless global distribution and institutional readiness for international tenders:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) designed to mitigate mechanical stress and ceramic fracture during multi-modal transit.
Documentation: Consignments include Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification, and comprehensive User Manuals in English.
Durability: Tropicalized design tested for operational stability in demanding climates and non-climate-controlled storage environments (up to 45°C/90% Humidity).
Direct OEM Sourcing Advantages
Procurement through the StemAids manufacturing channel ensures vertical integration and definitive factory-direct authority:
In-house Precision Calibration: Every 6-inch unit undergoes rigorous bench-testing for resistance tolerance and insulation integrity before final dispatch.
Batch-Tested for Uniform Reliability: Standardized manufacturing protocols ensure identical electrical performance across large-scale institutional rollouts.
Direct Factory Spares Availability: We maintain a dedicated inventory of replacement sliders, wiper contacts, and ceramic cores to maximize equipment lifecycle and minimize institutional downtime.
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