Resistance Coil Unit
Product Code : SCL-OS-12279
The StemAids Resistance Coil Unit is a high-precision multi-value standard engineered for University and Vocational TVET electrical laboratories. Compliant with international ASTM B267 standards for resistive alloys, it provides a stable platform for Wheatstone bridge balancing and Ohm’s Law verification. This ruggedized unit is optimized for longitudinal instruction in impedance characterization and secondary-level STEM curricula.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Impact-Resistant High-Dielectric Polymer Housing |
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Resistance Element |
Non-Inductively Wound Manganin / Constantan Alloy |
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Configuration |
Multi-Tapped or Single-Value Unitary Coil (Per Batch Specs) |
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Accuracy Tolerance |
±0.1% to ±1% (Traceable to NIST/National Standards) |
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Terminal Interface |
Non-Corrosive Brass Binding Posts (4mm Banana Compatible) |
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Temperature Coefficient |
Low-Drift Thermal Profile for High-Precision Stability |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standards |
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HS Code |
8533.21 (Fixed electrical resistors for a power handling capacity < 20 W) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Non-Inductive Winding Architecture Outcome: Minimizes parasitic inductance during high-frequency AC bridge experiments, supporting Advanced Electrodynamics Module 202 (Analytical Application).
Feature: Calibrated Alloy Composition Outcome: Enables students to evaluate thermal drift and resistivity constants empirically, fostering critical data synthesis in Material Science.
Feature: Ruggedized Dielectric Encapsulation Outcome: Protects internal resistive elements from mechanical shock and environmental degradation, ensuring longitudinal reliability for repeated institutional cohorts.
International Logistics & Compliance
StemAids maintains high OEM readiness for global institutional supply chains and international tender fulfillment:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant); units are vacuum-sealed in anti-static poly-shrouds to prevent terminal oxidation during maritime transit.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Batch-Specific Calibration Certificate, and Technical Manuals in English.
Durability: Tropicalized design tested for operational integrity in demanding climates (up to 45°C/90% Humidity) to ensure zero insulation leakage.
Direct OEM Sourcing Advantages
Sourcing directly from StemAids ensures vertical integration and definitive factory-direct authority for large-scale procurement:
In-House Precision Calibration: Every unit undergoes multi-point resistance verification using high-stability reference bridges to ensure absolute tolerance compliance.
Batch-Tested for Uniform Reliability: Internal windings are subjected to accelerated aging tests to guarantee resistance stability over a projected 10-year institutional lifecycle.
Direct Factory Spares Availability: Guaranteed long-term availability of proprietary terminal assemblies and calibrated replacement coils for specialized research or equipment maintenance.
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