Ohms Law Apparatus
Product Code : SCL-PLE-11850
The StemAids Ohm’s Law Apparatus is a foundational laboratory instrument designed for the empirical study of the relationship between voltage (V), current (I), and resistance (R). This model is engineered for simplicity and durability, making it ideal for introductory physics and basic electrical engineering courses. Manufactured to ISO 9001:2015 standards, it provides a tactile environment for students to verify that the current through a conductor between two points is directly proportional to the voltage across them.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Circuit Configuration |
Series-parallel mounting for Ammeter and Voltmeter |
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Monitoring System |
Dual Analog Meters (optional Digital upgrade available) |
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Voltmeter Range |
0–5V or 0–10V DC |
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Ammeter Range |
0–250mA or 0–500mA DC |
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Resistance Elements |
On-board standard fixed resistors and/or variable rheostat |
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Interface |
4mm brass safety binding posts / sockets |
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Chassis |
Robust, non-conductive base or powder-coated metallic enclosure |
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Mimic Diagram |
High-contrast schematic printed on the front panel for easy wiring |
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ISO Compliance |
Manufactured under ISO 9001:2015 Quality Management Systems |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Fundamental Interface: Facilitates student understanding of the direct proportionality between potential difference and current, supporting the core curriculum of Electrodynamics.
- V-I Quantification: Enables the physical plotting of the Ohm's Law graph; learners apply external power and record how current changes with voltage to verify V=IR.
- Resistance Analysis: Supports the analysis of the "Ohmic" nature of materials; students evaluate the data to determine if the resistance remains constant across different voltage levels.
- Circuit Troubleshooting Evaluation: Allows students to evaluate the effects of loose connections or component failure on circuit readings, fostering practical laboratory skills.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant). The apparatus is secured with shock-absorbent materials to protect the delicate needle movements of the analog meters from transit-induced vibration.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a standardized laboratory guide with experimental procedures.
- Durability: Tropicalized design featuring anti-corrosive hardware and UV-stabilized panel printing, ensuring the unit remains a viable teaching tool for many years.
Direct OEM Sourcing Advantages
Procuring the StemAids Ohm’s Law Apparatus directly ensures vertical manufacturing control:
- Meter Precision: We utilize high-torque meter movements with mirrored scales to reduce parallax error during manual data recording.
- Component Accuracy: Direct oversight ensures that the internal resistors have a tight tolerance (±1%), providing students with results that closely match theoretical predictions.
- Direct Factory Spares Availability: Guaranteed availability of replacement meters, potentiometers, and binding posts to maximize the long-term ROI of the laboratory inventory.
- Safety Verification: Every unit undergoes insulation resistance testing to ensure user safety, even when used with external high-capacity battery packs.
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