Vernier Calliper Stainless Steel
Product Code : SCL-PLE-11775
The StemAids Stainless Steel Vernier Caliper is a high-precision mechanical instrument engineered for the empirical study of linear measurement and metrology. Optimized for Secondary and University-level physics and engineering, this analog tool utilizes the Vernier scale principle to achieve measurements beyond the capability of a standard metric ruler. Manufactured to ISO 9001:2015 standards, it provides a robust, battery-free solution for quantifying internal, external, and depth dimensions within institutional laboratory environments.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
|
Material Construction |
Fully Hardened Stainless Steel with satin chrome finish |
|
Measuring Range |
0–150mm (Standard) |
|
Least Count (Resolution) |
0.02mm or 0.05mm (Model dependent) |
|
Scale Graduation |
Precision-etched dual scale (Metric: mm / Imperial: inches) |
|
Interface Features |
Thumb-lever for fine adjustment and a knurled locking screw |
|
Measurement Faces |
Micro-lapped for maximum parallelism and contact accuracy |
|
Durability |
Rust-proof and wear-resistant for heavy educational use |
|
ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
|
HS Code |
9017.30.10 (Micro-meters, calipers, and gauges) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Metrology Interface: Facilitates student understanding of the Vernier principle, where a secondary scale allows for the "estimation-free" reading of fractional measurements.
- Dimensional Quantification: Enables the physical study of volume and density, allowing learners to apply measurement techniques to determine the thickness of wires or the internal diameter of narrow tubes.
- Error Analysis: Supports the analysis of "Zero Error" (positive and negative) and its impact on final data, fostering critical thinking in experimental physics.
- Versatility Evaluation: Allows students to evaluate four dimensions of a single object using one tool:
- External Jaws: Outside diameter/thickness.
- Internal Jaws: Inside diameter/width.
- Depth Probe: Height or depth of cavities.
- Step Measurement: Distance between parallel planes on the back of the caliper.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring a high-impact polymer protective case with fitted padding to ensure the caliper remains aligned during maritime transit.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a guide on "Calibrating and Reading the Vernier Scale."
- Durability: Tropicalized design featuring hardened stainless steel that resists corrosion and expansion, ensuring accuracy remains consistent across varying laboratory climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Stainless Steel Vernier Caliper directly ensures vertical manufacturing control:
- In-House Lapping: Every caliper's measuring jaws are precision-lapped to ensure zero light-gap when closed, which is critical for accurate measurements.
- Batch-Tested for Linearity: Every unit is verified against standardized gauge blocks to ensure the scale is accurate across its entire length.
- Direct Factory Spares Availability: Guaranteed availability of replacement locking screws and protective cases to maximize long-term laboratory ROI.
- Manufacturing Control: Direct oversight of the scale-etching process ensures high-contrast markings that will not wear off, even after decades of student contact and cleaning.
.jpg)
.png)