7 Decade Resistance Box Manufacturer,Supplier and Exporter in India
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Product Code : SCL-OS-12298
The StemAids 7-Decade Resistance Box is a high-stability variable resistor engineered for precision circuit calibration and impedance matching in University and TVET laboratory environments. Compliant with ASTM electrical standards, it provides a broad resistance range (typically 1Ω to 11.11111 MΩ) with low residual resistance, ensuring high-accuracy decadal selection for advanced electrodynamics and bridge-circuit modules.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Decade Configuration |
7-Decade Rotary Dial Array (1Ω, 10Ω, 100Ω, 1KΩ, 10KΩ, 100KΩ, 1MΩ steps) |
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Resistor Material Grade |
Non-inductively wound Manganin or Precision Metal Film for thermal stability |
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Internal Tolerance |
±1% Accuracy across all decadal ranges |
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Terminal Interface |
4mm safety-shrouded binding posts with high-conductivity plating |
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Housing Construction |
Ruggedized, high-impact ABS or ventilated metal enclosure with RF shielding |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9030.33 (Instruments for measuring or checking electrical quantities) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: 7-Decade Rotary Interface Outcome: Enables students to construct and modify high-resolution resistance values, supporting the synthesis and evaluation of complex circuit impedances in real-time.
Feature: Non-Inductive Internal Winding Outcome: Facilitates accurate data acquisition in both AC and DC bridge experiments by minimizing parasitic reactance, aligning with advanced Undergraduate laboratory protocols.
Feature: Clear Decadal Magnitude Labeling Outcome: Enhances student proficiency in metric-unit scaling and ohmic magnitude estimation, reinforcing fundamental numeracy in Electromagnetism Module 301.
International Logistics & Compliance
StemAids maintains definitive OEM readiness for global institutional tenders through standardized export-grade protocols:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) engineered to prevent mechanical stress on internal rotary switches during multi-modal transit.
Documentation: All consignments include the Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ technical certification, and comprehensive User Manuals in English.
Durability: Tropicalized design specifically tested for operational integrity in demanding laboratory climates (up to 45°C/90% Humidity) and non-climate-controlled storage.
Direct OEM Sourcing Advantages
Procurement through the StemAids manufacturing channel ensures total vertical integration and definitive factory-direct authority:
In-house Precision Calibration: Every 7-decade unit undergoes rigorous bench-testing for total resistance accuracy and residual "zero" resistance before final dispatch.
Batch-Tested for Uniform Reliability: Manufacturing protocols guarantee identical ohmic performance across large-scale institutional rollouts, critical for standardized testing results.
Direct Factory Spares Availability: We maintain a permanent inventory of replacement rotary switches, precision resistors, and terminal binding posts to maximize laboratory asset lifecycle and minimize downtime.
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