Stop Clock
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Product Code : SCL-OS-12270
The StemAids Analog Stop Clock is a high-precision chronometric instrument engineered for the empirical measurement of time intervals in University and Vocational physics laboratories. Compliant with international mechanical timing standards, it features a ruggedized metal housing and a high-contrast 100mm dial. Optimized for Kinematics and Dynamics modules, it ensures repeatable measurement accuracy for pendulum, free-fall, and titration experiments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Impact-Resistant Powder-Coated Metal Housing |
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Dial Diameter |
100 mm High-Visibility Face |
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Resolution (Least Count) |
1 Second (Large Scale) / 1 Minute (Small Scale) |
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Timing Range |
0 to 60 Minutes (Small sub-dial) |
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Operational Control |
Dual-Lever Start/Stop and Instant Zero-Reset |
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Mechanical Drive |
Precision Spring-Wound / Quartz Movement (Model Dependent) |
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ISO Compliance Code |
ISO 9001:2015 Manufacturing Standard |
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HS Code |
9106.10 (Time-of-day recording apparatus and apparatus for measuring time) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: High-Contrast 100mm Dial Outcome: Enables precise student observation of elapsed time from distance, supporting Kinematics Module 101 (Data Acquisition and Velocity Analysis).
Feature: Mechanical Start/Stop Actuators Outcome: Facilitates student acquisition of tactile timing synchronization skills, aligning with University-level experimental error reduction protocols.
Feature: Instant Manual Reset Mechanism Outcome: Allows for rapid iterative trials in statistical analysis experiments, fostering student capability to calculate mean time intervals and standard deviations.
International Logistics & Compliance
StemAids maintains absolute OEM readiness for global institutional procurement and cross-border tender fulfillment:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant); units are individually padded in shock-absorbent internal housing to protect mechanical movement during transit.
Documentation: Includes Manufacturer’s Authorization Form (MAF), Inspection Certificate (Traceable to National Standards), and User Manuals in English.
Durability: Tropicalized design featuring anti-corrosive internal components, tested for operational integrity in demanding climates (up to 45°C/90% Humidity).
Direct OEM Sourcing Advantages
As a primary manufacturer, StemAids provides vertically integrated quality assurance to ensure long-term laboratory utility:
In-House Precision Calibration: Every stop clock is master-calibrated against primary chronometric standards to ensure zero-drift linearity over full 60-minute cycles.
Batch-Tested for Uniform Reliability: Actuators undergo 10,000-cycle stress testing to guarantee long-term mechanical resilience in high-throughput educational environments.
Direct Factory Spares Availability: Guaranteed long-term availability of proprietary reset levers, mainspring assemblies, and crystal covers, ensuring maximum instrument uptime for educational departments.
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