Potentiometer Apparatus
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Product Code : SCL-OS-12275
The StemAids Potentiometer Apparatus is a laboratory-grade diagnostic instrument engineered for the high-precision comparison of electromotive force (EMF) and the determination of internal resistance in electrochemical cells. Optimized for University and Vocational TVET frameworks, it utilizes a 10-meter null-balance architecture to eliminate circuit loading errors, ensuring compliance with international laboratory standards for electromagnetic analysis and sensor calibration.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Seasoned, Polished Hardwood Base with Anti-Warp Treatment |
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Wire Configuration |
10 Parallel Wires (10 Meters Total Length) |
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Wire Material |
24 SWG Constantan / Manganin for Low Temperature Coefficient |
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Contact Architecture |
Heavy-Section Non-Ferrous Brass Blocks with Low-Resistance Bolting |
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Measurement Scale |
Integrated 100cm Linear Scale with 1.0mm Resolution |
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Connectivity |
4mm Universal Brass Binding Posts |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standard |
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HS Code |
9030.33 (Instruments for measuring electrical potential/resistance) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: 10-Meter Linear Resistive Path Outcome: Facilitates student acquisition of high-resolution voltage gradient data, supporting Advanced Electromagnetism Module 301 (Precision Analysis).
Feature: Spring-Loaded Precision Jockey Outcome: Enables students to identify exact null-deflection points with minimal wire abrasion, fostering critical understanding of the Potentiometric Null Method versus Voltmeter loading.
Feature: Low-Resistance Brass Busbars Outcome: Minimizes parasitic resistance in the primary circuit, allowing for the empirical synthesis of data regarding cell internal resistance and secondary circuit calibration.
International Logistics & Compliance
StemAids provides specialized logistics for precision electrical apparatus to ensure global institutional procurement readiness:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant); boards are individually moisture-sealed and housed in reinforced transit cases to maintain wire tension and wood integrity.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Factory Calibration Certificate (Traceable), and Technical Operation Manuals in English.
Durability: Tropicalized design featuring oxidation-resistant brass components and fungal-resistant wood finishes, tested for operation in demanding climates (up to 45°C/90% Humidity).
Direct OEM Sourcing Advantages
Sourcing directly from the StemAids manufacturing facility establishes definitive factory-direct authority and technical support:
In-House Precision Calibration: Every wire segment is verified for ohmic uniformity per linear meter to ensure a constant potential gradient across the full 10-meter span.
Batch-Tested for Uniform Reliability: Terminal blocks undergo mechanical torque testing and conductivity verification to ensure long-term stability under high-frequency institutional use.
Direct Factory Spares Availability: Guaranteed long-term availability of proprietary replacement wire spools, precision jockeys, and specialized terminal nuts to maximize instrument uptime for educational departments.
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