Electromagnet for Sonometer
Product Code : SCL-PLE-11728
The StemAids Electromagnet for Sonometer is a specialized electromagnetic transducer designed for the consistent excitation of metallic strings in acoustic resonance experiments. Optimized for Secondary and University-level physics, this apparatus replaces manual plucking to provide a stable, frequency-controlled driving force. Manufactured to ISO 9001:2015 standards, it facilitates the quantification of standing wave nodes and the verification of the Laws of Transverse Vibrations within institutional laboratory environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Coil Composition |
High-purity enameled copper wire wound on a specialized bobbin |
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Core Material |
High-permeability soft iron core for maximum magnetic flux density |
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Operational Frequency |
Optimized for standard AC mains (50Hz/60Hz) or signal generator input |
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Mounting Configuration |
Adjustable-height bracket for precise proximity to the sonometer wire |
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Input Interface |
4mm safety shrouded sockets or integrated lead wires |
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Functional Principle |
Periodic Electromagnetic Attraction / Forced Vibration |
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Chassis Construction |
Impact-resistant polymer or powder-coated metallic housing |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00.00 (Educational/demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Electromagnetic Excitation Interface: Facilitates student visualization of how periodic magnetic fields induce mechanical vibrations in ferromagnetic materials, supporting Wave Mechanics Module 101.
- Resonant Frequency Quantification: Enables the physical study of harmonics, allowing learners to apply a known AC frequency to determine the string's fundamental mode without human error.
- Standing Wave Analysis: Supports the analysis of the relationship between tension (T), linear density (μ), and length (L) by providing a constant driving frequency (f).
- Magnetic Flux Evaluation: Allows students to evaluate how the distance between the magnet and the wire (inverse-square law) affects the amplitude of the resulting vibration.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring anti-static internal stabilization and moisture-barrier protection for the copper windings.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and Electrical Safety Certification.
- Durability: Tropicalized design featuring high-temperature insulation and corrosion-resistant core treatments for reliable performance in high-humidity climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Electromagnet for Sonometer directly ensures vertical manufacturing control:
- In-House Precision Winding: Every coil is batch-tested for impedance and continuity to ensure uniform magnetic strength across all units.
- Batch-Tested for Uniform Reliability: Every unit undergoes a 2-hour continuous operation test to ensure thermal stability and prevent coil overheating during extended lab sessions.
- Direct Factory Spares Availability: Guaranteed availability of replacement bobs, mounting brackets, and connector sets to maximize long-term laboratory ROI.
- Manufacturing Control: Direct oversight of the core annealing process ensures low remanence, allowing the magnet to switch polarity rapidly in synchronization with the AC input for clean acoustic signals.
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