Verification Certificate
Screen Health & Spec Certificate
An exportable display audit report documenting your screen's verified hardware specifications and test pass status. Print as a PDF or save as a digital receipt.
⚡ Automated Health Audit
Launch Auto TestRun 60-Second Auto Test with Real-Time Checklist
Automatically audit dead pixels, backlight bleed, gamma 2.2, contrast, Hz, and motion blur to populate verified pass/fail results.
ISO-9241-307 Compliant AuditA4 / PDF Ready
Display Health & Ergonomic Specification Certificate
Generate an official, verifiable hardware inspection document for warranty claims, used hardware sales, or IT fleet compliance.
OnlineScreenTester Precision Optics & Calibration Laboratory
Official Certificate of Display Compliance
Conformity Assessment per ISO 9241-307 & VESA Display Metrology Standards
CERTIFICATE NO: OST-9281-PASS
ISSUED DATE: 2026-10-07
AUDIT PROTOCOL: ISO-9241 CLASS 1
SECURITY HASH: SHA256:VERIFIED
1. Verified Hardware & Display Optical Profile
Live Client Sensor TelemetryPhysical Native ResolutionDetecting...
Hardware Refresh Rate60.0 Hz Active
Color Depth & Dynamic Range24-bit SDR
Device Pixel Ratio (Scale)1.00x (100%)
Logical Viewport Window1366 × 768
Color Gamut SupportsRGB / P3 Gamut
GPU Graphics AcceleratorStandard GPU Accelerator
2. Technical Benchmark Audit Verification Matrix
All 8 Optical Benchmarks Verified| Ref | Benchmark Assessed | Testing Protocol & Condition | Tolerance | Measured Finding | Result |
|---|---|---|---|---|---|
| P-01 | Dead & Stuck Subpixels | RGBW full-screen multi-color luminance scan | 0 defects / 1M px | Zero unlit or stuck colored subpixels | PASS ✓ |
| P-02 | Backlight Bleed & Uniformity | 0-nits darkroom peripheral edge & corner leak test | < 8% delta-L | Normal perimeter diffusion; zero halos | PASS ✓ |
| P-03 | Contrast & Dynamic Range | 256-step shadow (0-8%) & highlight clipping scan | Step ≥ 1.5% | Full shadow ramp visible; 0% clipping | PASS ✓ |
| P-04 | Gamma 2.2 Curve Tracking | High-frequency optical line blend halftone test | γ = 2.20 ±0.05 | Disc blends into halftone reference field | PASS ✓ |
| P-05 | Checkerboard MTF Sharpness | 1px Nyquist checkerboard spatial grid test | 1:1 Native pixel | Zero moiré fringing or GPU scaling phase | PASS ✓ |
| P-06 | Hardware Scanout Stability | Microsecond timestamp hardware interval scan | Jitter < 1.0ms | Cadence locked; zero frame drops | PASS ✓ |
| P-07 | 256-Step Color Gradients | 8-bit/10-bit linear RGB tonal ramp posterization | Zero staircasing | Smooth monotonic transition; no banding | PASS ✓ |
| P-08 | UFO Motion & Response Time | Triple-velocity (480/960/1920 px/s) pursuit test | Fast overdrive | Clear silhouette; zero overshoot halos | PASS ✓ |
A+GRADE
ISO-9241 CLASS 1 CONFORMANT
Display Satisfies Comprehensive Ergonomic Standard
Empirical client-side verification indicates this display meets zero-subpixel defect thresholds and exhibits linear gamma tracking, high tonal fidelity, and stable scanout synchronization.
AUDIT STATUSCERTIFIED PASS
TOLERANCECLASS 1 (0 DEFECTS)
BENCHMARKS8 OF 8 VERIFIED
NOTICE & DISCLAIMER: This document constitutes an empirical display health audit performed via browser hardware environment telemetry and optical stimulus tests. Conformance grading is referenced against ISO 9241-307 Class 1 guidelines. Retain this certificate as verified documentation for equipment health records, enterprise hardware audits, or warranty service requests.
Hardware AuditLive Sensor Telemetry
Real-Time Screen & Viewport Inspector
Detected live from your browser's display environment and GPU rendering context.
Screen ResolutionUPDATED
Detecting...
Full Display PixelsBrowser ViewportUPDATED
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Available CSS ViewportPixel Ratio (DPR)UPDATED
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Scaling FactorAspect RatioUPDATED
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Standard WidescreenColor DepthUPDATED
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Standard Dynamic RangeHDR CapabilityUPDATED
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High Dynamic RangeColor GamutUPDATED
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Color Profile SpaceTouch InputUPDATED
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Hardware Digitizer