Haas
HAAS 28HM-NM4 93-5220C 12-inch CRT to 10.4-inch LCD Upgrade | VF Series
HAAS 28HM-NM4 (93-5220C) 12-inch CRT to 10.4-inch TFT-LCD upgrade. Compatible with HAAS VF1, VF2, VF3 systems. Factory direct, in-position replacement.
$380
USD
✔️ In Stock — 2-Year Warranty
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Specifications
| Spec | Original CRT | Kongto LCD |
|---|---|---|
| Technology | 12-inch Monochrome CRT | 10.4-inch TFT-LCD Industrial Panel |
| Resolution | 640x480 | 800x600 |
| Brightness | ~200 cd/m² | 400 cd/m² |
| Lifespan | ~15,000 hrs | 50,000+ hrs |
| Power Supply | AC 100-240V | AC 100-240V (compatible) |
| Interface | 9-pin D-sub | 9-pin D-sub (direct compatible) |
| Safety | High voltage (10-15kV) | Low voltage DC |
| Weight | — | 3.5 kg |
Compatible Systems
- Haas VF Series
- Haas SL Series
Frequently Asked Questions
Which CNC systems is this upgrade compatible with?
Haas VF and SL Series systems with a 12-inch CRT. Uses the same connector as your original CRT — plug-and-play drop-in, no parameter changes needed.
Installation time and difficulty?
10-15 minutes: power off, remove 4 screws, swap display, reconnect. No soldering.
Image quality vs original CRT?
800×600 resolution, 350-450 cd/m² brightness, 50,000+ hr lifespan. Sharper, no flicker.
Warranty and support?
2-Year Warranty, lifetime support, worldwide shipping.
Warranty & Service
2-Year Warranty — Lifetime Technical Support — Worldwide Shipping
Email: [email protected] | WhatsApp: +86-13686889647
No CNC parameter changes needed — plug and play, your machine programs and settings stay intact.
CRT failure symptoms & repair cost · Customer results · Quality testing process
Email: [email protected] | WhatsApp: +86-13686889647
No CNC parameter changes needed — plug and play, your machine programs and settings stay intact.
CRT failure symptoms & repair cost · Customer results · Quality testing process
Ready to replace your CRT?
$380 — In Stock — Ships within 24 hours