Bar Magnet – Superior Quality
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Product Code : SCL-OS-12262
StemAids Alnico Bar Magnets are engineered for high-stability magnetostatic demonstrations and field-mapping applications in University and Vocational technical programs. Complying with standard pedagogical requirements for verifying magnetic dipoles and induction, these instruments feature high-remanence Alnico alloy construction with distinctive polarity identification. They serve as a primary calibration standard for undergraduate Electromagnetism and STEM curricula.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
High-Coercivity Alnico (Aluminium-Nickel-Cobalt) Alloy |
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Geometry |
Rectangular Bar Configuration |
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Available Dimensions |
38mm, 50mm, 75mm, 100mm, 150mm (Length) |
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Magnetic Stability |
Calibrated for High Resistance to Thermal Demagnetization |
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Polarity Identification |
Explicitly Painted/Engraved North (N) and South (S) Indicators |
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Protective Finish |
Anti-Corrosive Enamel Coating with Ground Pole Faces |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standards |
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HS Code |
8505.11 (Permanent magnets and articles of metal) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Distinctive North/South Polarity Outcome: Facilitates student identification of magnetic dipoles and law of attraction/repulsion, supporting Magnetism Module 101.
Feature: High Linear Flux Density Outcome: Enables precise mapping of magnetic field lines using iron filings or plotting compasses, allowing students to visualize and calculate field intensity.
Feature: Alnico Alloy Composition Outcome: Provides long-term magnetic remanence for repeatable experiments in electromagnetic induction (Faraday’s Law) without signal degradation over time.
International Logistics & Compliance
StemAids maintains absolute OEM readiness for international procurement and trans-border shipping requirements:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant). Magnets are shipped in pairs with soft-iron "keepers" to close the magnetic circuit, preventing external flux interference during transit.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Technical Data Sheets, and Certificate of Conformance (CoC).
Durability: Tropicalized design tested for operational stability in high-temperature laboratory environments (tested up to 45°C/90% Humidity).
Direct OEM Sourcing Advantages
Sourcing directly from the StemAids manufacturing facility ensures vertical integration and technical authority:
In-House Precision Calibration: Every unit is saturated to peak magnetic capacity in-house to ensure uniform flux density across all production lots.
Batch-Tested for Uniform Reliability: Pole faces are ground to precise tolerances to ensure stable contact with iron keepers and consistent laboratory performance.
Direct Factory Spares Availability: Immediate availability of replacement keepers, non-magnetic storage cases, and specialized mounting hardware for optical benches.
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