Conversion of Galvanometer into Ammeter
Product Code : SCL-PLE-11740
The StemAids Conversion of Galvanometer into Ammeter apparatus is a specialized laboratory workstation engineered for the empirical study of shunt resistance and current division. Optimized for University-level physics and Technical Vocational (TVET) electronics, this trainer facilitates the quantification of the required shunt to extend a sensitive meter's range. Manufactured to ISO 9001:2015 standards, it provides a stable environment for verifying the principles of parallel circuit design and instrument calibration within institutional laboratories.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
Primary Instrument |
High-sensitivity moving coil galvanometer (30−0−30 or 50−0−50 scale) |
|
Shunt Resistance Unit |
Variable/Fixed low-resistance manganin wire or discrete resistors |
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Ammeter for Calibration |
Integrated/External Digital or Analog Multi-range Ammeter |
|
Power Supply |
0−5V or 0−12V regulated DC source |
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Resolution |
Full-scale deflection (FSD) typically 50μA to 1mA |
|
Functional Principle |
Current Shunting / Parallel Resistance (S=I−IgIg⋅G) |
|
Chassis Construction |
High-impact ABS polymer or powder-coated metallic enclosure |
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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)
- Parallel Shunting Interface: Facilitates student visualization of how a low-resistance path (shunt) bypasses excess current, supporting Instrumentation and DC Circuit modules.
- Shunt Quantification: Enables the physical study of meter sensitivity, allowing learners to apply the formula S=I−IgIg⋅G to calculate and verify the resistance needed for a specific ammeter range.
- Calibration Analysis: Supports the analysis of measurement accuracy by comparing the converted galvanometer's readings against a standard reference ammeter across multiple data points.
- Effective Resistance Evaluation: Allows students to evaluate how the total resistance of the measuring instrument decreases significantly after conversion, ensuring it does not alter the circuit current being measured.
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 vacuum sealing to protect the sensitive moving-coil mechanism.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a detailed step-by-step experiment guide in English.
- Durability: Tropicalized design featuring oxidation-resistant brass terminals and high-temperature internal wiring for reliable performance in varied climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Conversion Apparatus directly ensures vertical manufacturing control:
- In-House Precision Calibration: Every galvanometer is batch-tested for internal resistance (G) and figure of merit (k) to ensure students have accurate baseline data.
- Batch-Tested for Uniform Reliability: Onboard shunts and resistors undergo stress testing to ensure they maintain their nominal value even under continuous current flow.
- Direct Factory Spares Availability: Guaranteed availability of replacement pointer needles, calibrated shunt wires, and connection patch cords to maximize long-term laboratory ROI.
- Manufacturing Control: Direct oversight of the coil-winding process ensures a linear scale response, providing high-fidelity results for student graphing and analysis.
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