CRT vs LCD: Complete Comparison Guide for CNC Display Upgrades

Kongto Technology Technical Team

Core Specification Comparison

LCD brightness 350-450 cd/m² vs CRT 200 (new) / <100 (aged); LCD lifespan 50,000h vs CRT 15,000h; LCD power 8-12W vs CRT 25-30W.

5-Year TCO Analysis

CRT repair: $291-581 (excluding downtime); LCD upgrade: $252-352. With downtime, CRT costs 5x more.

Safety

CRT: 10-15kV lethal voltage. LCD: 24V DC, completely safe.

Conclusion

LCD upgrade ROI is typically achieved within 12 months. Beyond that, it's pure savings.

Check our 95+ Model Compatibility Matrix