Electric Bell Demonstration Model
.png)
Product Code : SCL-TMFEEL-12173
Bell Demonstration Model - Acoustic Wave Transmission & Vacuum Physics for Secondary TVET Curricula
Executive Procurement Summary
This Educational Instrument facilitates the empirical study of longitudinal sound waves and medium-dependent transmission. Engineered for Secondary and Vocational Technical Education (TVET), it demonstrates acoustic attenuation in a vacuum environment. The model supports physics modules by visualizing the decoupling of mechanical vibrations from the human ear under varying atmospheric pressures, adhering to international laboratory safety and performance standards.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
System Type |
Electric bell demonstration with vacuum-compatible interface |
|
Material Grade |
High-transparency acrylic or glass dome with chemical-resistant base |
|
Power Source |
Low-voltage DC operation (typically 4-6V) |
|
Seal Integrity |
Precision-ground base plate with high-vacuum rubber gasket |
|
Interface |
Integrated binding posts and vacuum pump nozzle attachment |
|
ISO Compliance Code |
ISO 9001:2015 Manufacturing Quality Standards |
|
HS Code |
9023.00 (Instruments, apparatus and models for demonstrational purposes) |
Key Pedagogical Outcomes (Bloom’s Taxonomy)
Feature: High-Transparency Vacuum Chamber. -Outcome: Allows students to visually confirm physical bell movement even as the auditory signal fades, proving that sound requires a physical medium.
Feature: Integrated Vacuum Port. Outcome: Facilitates connection to manual or motorized pumps for the quantitative analysis of sound intensity relative to internal pressure levels.
Feature: Suspended Mounting System. Outcome: Minimizes structural vibration transfer, ensuring students can isolate the transmission of sound through the air vs. mechanical conduction.
Feature: Low-Voltage Electric Striker. Outcome: Provides a safe, consistent acoustic source for repeatable classroom experimentation across multiple laboratory sessions.
International Logistics & Compliance
To maintain technical calibration during multi-modal transit, this Educational Instrument is secured in export-grade seaworthy crating (ISPM-15 compliant). The procurement package is delivered with a Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification, and technical User Manuals in English. The unit features a tropicalized design, utilizing UV-stabilized polymers and non-oxidizing electrical contacts tested for sustained operational integrity in environments reaching 45°C and 90% humidity.
Why Source from the OEM
Procuring from the Original Equipment Manufacturer ensures vertical integration of all critical components, from the precision casting of the bell gong to the high-tolerance machining of the vacuum base plate. Unlike third-party traders, our facility provides batch-tested uniformity in seal integrity and electrical safety. Direct factory engagement guarantees institutional long-term viability through immediate spares availability and consistent specification matching for large-scale tender fulfillments.
.png)
.png)
.png)
.png)
.png)
.png)
.png)