دقة الطول الموجي للأشعة فوق البنفسجية/البصرية & التحقق من الضوء الشارد
Wavelength accuracy and stray light are the two specifications that [...]
دليل معايير اختبار الأنابيب البلاستيكية: ايزو 1167, ايزو 9969 و ايزو 1133
Plastic pipe testing standards are not one standard — they [...]
FTIR Spectrometer Selection Guide: ATR vs Transmission
Choose ATR if you identify solids, pastes, films, rubbers or aqueous [...]
EN ISO 11925-2 Single Flame Source Test Explained (2026)
EN ISO 11925-2 is the small-flame ignitability test that sits [...]
UV/Vis Spectrophotometer Buying Guide: Single vs Double Beam
UV/Vis Spectrophotometer Buying Guide: Single vs Double Beam The short [...]
Global Building Material Fire Testing Standards & Equipment Guide: في, أستم, ايزو & AS/NZS Compliance
Executive Summary: Global building codes enforce strict fire safety [...]
في 13501-1 Euroclass: Classes, Tests and Subscripts
The EN 13501-1 Euroclass system sorts construction products into A1 to F and adds smoke and droplet sub-classes. This guide sets out the test route behind each class, the numeric thresholds, and the fl and L subscripts that change what a class means.
SBI vs Cone Calorimeter: Which Fire Test System Do You Need?
SBI vs cone calorimeter comes down to whether you classify products or characterise materials. This comparison sets out the scale, outputs, regulatory weight, infrastructure and running costs of each instrument, and when a laboratory needs both.
في 13823 معايرة: Fix SBI Drift and Failed Checks
في 13823 calibration depends on the step and n-heptane checks, not on analyser zero and span alone. This guide sets out the acceptance criteria, the four failure modes behind drifting curves, and the troubleshooting order that finds gas path faults before they get compensated as analyser offsets.
في 13823 SBI Test: How It Decides Euroclass Classification
The EN 13823 SBI test is the intermediate-scale method that separates Euroclass A2, ب, C and D. This guide explains what the test records, how FIGRA and THR600s limits convert into a class, and which test combinations each class requires.