Wheatstone Bridge Apparatus
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Product Code : SCL-OS-12274
The StemAids Meter Bridge is a laboratory-grade Wheatstone Bridge apparatus engineered for the high-fidelity determination of unknown resistance and specific resistivity in University and Vocational physics curricula. Compliant with IEC electrical measurement standards, it utilizes a null-deflection architecture to eliminate power supply fluctuations. This ruggedized instrument is optimized for advanced undergraduate electromagnetism and STEM research frameworks.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Base Material |
Seasoned Polished Hardwood with Anti-Warp Treatment |
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Conductive Elements |
Heavy-Duty Non-Ferrous Brass Blocks with Low-Resistance Contact |
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Bridge Wire |
24 SWG Constantan / Nichrome (1.0 Meter Length) |
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Terminal Configuration |
4-Gap Architecture for Advanced Bridge Circuitry |
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Scale Graduations |
0–100 cm (1.0 mm Resolution) permanently inset |
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Binding Posts |
4mm Universal Safety Terminals |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standard |
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HS Code |
9030.33 (Instruments and apparatus for measuring electrical resistance) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: 24 SWG Constantan Bridge Wire Outcome: Provides a uniform linear resistance profile for precise null-point location, supporting Advanced Electromagnetism Module 202 (Analytical Application).
Feature: Heavy-Section Brass Connector Blocks Outcome: Minimizes parasitic contact resistance, allowing students to synthesize accurate data for the Verification of Laws of Resistance (Series/Parallel).
Feature: Integrated 100cm Linear Scale Outcome: Facilitates high-resolution acquisition of balance point data enabling critical student evaluation of measurement uncertainties and resistivity constants.
International Logistics & Compliance
StemAids maintains absolute OEM readiness for international institutional procurement and cross-border tender fulfillment:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant); boards are individually shrink-wrapped with moisture-absorbent desiccant to preserve wood and brass integrity during transit.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Technical Data Sheets, and Comprehensive User Manuals in English.
Durability: Tropicalized design tested for operational stability and resistance to oxidation in demanding climates (up to 45°C/90% Humidity).
Direct OEM Sourcing Advantages
Sourcing directly from the StemAids manufacturing facility ensures definitive factory-direct authority and vertical integration:
In-House Precision Calibration: Every bridge wire is tension-verified and tested for ohmic uniformity across the full 1000mm span to ensure zero-drift linearity.
Batch-Tested for Uniform Reliability: Brass blocks undergo specialized surface treatment to ensure long-term conductivity and resistance to mechanical wear in high-throughput laboratories.
Direct Factory Spares Availability: Guaranteed long-term availability of proprietary replacement bridge wires, jockeys, and brass terminal nuts ensures maximum instrument uptime for educational departments.
