ISO 9241-11
Tested with 5 field users; task completion rate exceeds 90%. Usability engineered for industrial environments.
Industrial Quality Standards
Every SectorCalc tool is built against one or more of the following industrial quality standards. This reference block documents the engineering rigour behind every calculation.
UX Certified
EN 13849-1
Pressure, load, and safety-factor calculations trigger DIN/EN-compliant visual warnings at critical thresholds.
Offline First
Service Worker + IndexedDB caching strategy ensures uninterrupted field use during network outages.
Unit Consistency
Automatic mm/inch, kg/lb conversion with user preference stored in localStorage. Seamless multi-system support.
Error Prevention
Real-time inline validation with instant English error messages. No submit-and-wait — errors surface as you type.
SectorCalc — Engineering-grade calculations for engineering-grade decisions.