Electric Bell Demonstration Model
Product Code : SCL-PLE-11676
The StemAids Electric Bell Demonstration Model is a specialized laboratory apparatus engineered for the empirical study of electromagnetism and rapid-circuit interruption. Optimized for Secondary and Vocational STEM curricula, this open-frame model facilitates the quantification of magnetic field induction and the mechanics of "make-and-break" switching. Manufactured to ISO 9001:2015 standards, it provides a high-visibility platform for verifying the conversion of electrical energy into mechanical sound energy within institutional physics environments.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
electromagnetic media |
High-density insulated copper wire wound on soft iron cores |
|
interrupting interface |
Adjustable contact screw with spring-steel armature |
|
acoustic assembly |
High-resonance metallic gong and hammer (Striker) |
|
chassis construction |
Ruggedized non-conductive base with integrated binding posts |
|
functional principle |
Electromagnetism and Self-Interrupting Circuitry |
|
power requirements |
Low-voltage DC compatible (3V to 6V DC) |
|
ISO compliance code |
Manufactured under ISO 9001:2015 Quality Management Systems |
|
HS code |
9023.00.00 (Educational/demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- open-frame circuit architecture: facilitates student visualization of current flow and the magnetization of the iron cores, supporting Electromagnetism Module 101.
- adjustable contact interface: enables the physical study of oscillation frequency, allowing learners to apply mechanical tuning to vary the strike rate.
- electromagnetic induction utility: supports the analysis of temporary magnetism where the core loses its field as the circuit breaks.
- systemic logic evaluation: allows students to evaluate the feedback loop between the attracted armature and the interrupted power supply that creates continuous ringing.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- packaging: export-grade seaworthy crating (ISPM-15 compliant) with specialized internal bracing to protect the spring-steel armature and gong alignment.
- documentation: includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and illustrated Technical User Manuals in English.
- durability: tropicalized design featuring corrosion-resistant plating on all contact points to ensure reliable sparking/conduction in humid climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Electric Bell Demonstration Model directly ensures vertical manufacturing control:
- in-house precision winding: electromagnets are batch-tested for consistent pull-strength to ensure reliable armature attraction at low voltages.
- batch-tested for uniform reliability: every unit undergoes a duty-cycle test to ensure the spring-steel armature maintains elasticity under prolonged operation.
- direct factory spares availability: guaranteed availability of replacement contact screws, spring armatures, and copper-wound coils to maximize long-term laboratory ROI.
- manufacturing control: direct oversight of soft iron core purity ensures minimal residual magnetism, allowing for immediate armature release and high-speed operation.
.jpg)
.jpg)