We proved it. Here are the numbers.
We compared Spraydex side by side with professional microscopes across dozens of samples. Download the consolidated document and watch the tests on video.
- +40
- samples compared
- 98%
- correlation with the microscope
- ≤ 2 µm
- average difference (VMD)
Document
Consolidated validation PDF
All the methodology, samples and comparisons gathered in a single file — ready to share with your technical team.
- Complete test methodology
- Analyzed samples (water-sensitive papers)
- Side-by-side comparison with a professional microscope
- Parameters: DV10, VMD, DV90, density and coverage
- Raw data and technical appendices
spraydex-validacao.pdf
PDF · 24 pages · updated Jun/2026
On video
Watch the tests happening
From sample preparation to reading the results — follow every step of the validation.
YouTube New phone or old? Same analysis
We analyzed the same paper with an iPhone 15 Pro and a Moto C. The result: no relevant difference between the devices.
Watch
YouTube Distance and angle don't change the result
Several analyses of the same paper, at different distances and angles. The numbers stay practically the same in all of them.
Watch
YouTube Droplet count proven
We placed artificial droplets on a real paper and checked: Spraydex's count and measurement match what was expected.
Watch