Constantan Wire (100gm)
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Product Code : SCL-OS-12267
Engineered for critical stability in resistance standards, this Constantan (Cu-Ni) alloy wire is the OEM benchmark for high-precision laboratory resistors and rheostat fabrication. Optimized for University and Vocational technical physics, it offers an exceptionally low temperature coefficient and high electrical resistivity, compliant with DIN 17471 standards for empirical accuracy in thermodynamics and electromagnetism modules.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
Material Grade |
Precision Constantan Alloy (Typically Cu55/Ni45) |
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Thermal Characteristics |
Low Temperature Coefficient of Resistance (TCR) |
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Mechanical Properties |
High Ductility and Excellent Fatigue Resistance |
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Corrosion Resistance |
Oxidization-Resistant Surface for Long-Term Stability |
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Available Gauges (SWG) |
24, 26, 32, 34, 36 (Variable by Batch) |
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Net Weight |
100g Precision-Spooled |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standard |
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HS Code |
7408.22 (Copper-nickel base alloy wire) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Temperature-Stable Resistance Profile Outcome: Allows students to perform accurate Wheatstone bridge and potentiometer experiments without thermal-induced resistance drift, supporting advanced Electrical Metrology modules.
Feature: High-Resistivity Cu-Ni Metallurgy Outcome: Facilitates student construction of high-value, space-efficient standard resistors, promoting applied engineering competence in circuit component design.
Feature: Consistent Ohmic Linearity Outcome: Enables precise student calculation of specific resistance (Resistivity) and verification of Ohm’s Law across varying voltage inputs, aligning with University Physics Module 201.
International Logistics & Compliance
StemAids provides specialized logistics for precision metallurgical components to ensure global institutional procurement readiness:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant); wire is precision-wound on impact-resistant bobbins and hermetically sealed to maintain surface integrity during sea and air freight.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Batch-Specific Certificate of Analysis (CoA), and User Manuals in English.
Durability: Tropicalized alloy properties tested for storage and operational integrity in demanding climates (up to 45°C/90% Humidity), preventing metallurgical degradation.
Direct OEM Sourcing Advantages
Sourcing directly from the StemAids facility ensures vertical integration and definitive factory-direct authority:
In-house Precision Calibration: Every spool is verified for resistance uniformity per linear meter to ensure zero-defect distribution across educational batches.
Batch-tested for Uniform Reliability: Metallurgical consistency is monitored via spectroscopic analysis to guarantee the specific Copper-Nickel ratio required for low thermal-EMF characteristics.
Direct Factory Spares Availability: Guaranteed long-term availability of various SWG/AWG gauges and bulk spools for department-wide replenishment and specialized laboratory projects.
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