Desktop keyboard KH-RAY390-43

with mechanical keysUSBRS-232

Product Overview
The KH-RAY390-43 is a desktop standalone X-ray inspection keyboard designed for baggage screening and security checkpoint operations. Featuring a pearl white aluminum-alloy top panel and 43 mechanical switch keys, it combines tactile reliability with a compact footprint. The keyboard includes programmable shortcut keys, a dedicated emergency stop switch for rapid safety intervention and multiple interface options to integrate with common inspection systems. Place of Origin: China. Brand: CNKHTECH. Certifications: CE / ROHS / FCC.

Key features

• Desktop standalone design for flexible placement at inspection workstations
• Pearl white aluminum alloy top panel for easy cleaning and professional appearance
• 43 mechanical-switch keys for consistent tactile response and long service life
• Integrated programmable shortcut function keys to speed operator workflows
• Dedicated emergency stop switch to meet checkpoint safety requirements
• Multiple interface options: USB, RS232, RS485 or custom interfaces
• Customized design with OEM/ODM support

Specifications
Model: KH-RAY390-43
Dimensions: 390 x 213 mm
Keys: 43 mechanical switch keys
Top panel: Aluminum alloy (pearl white finish)
Interfaces: USB, RS232, RS485 (other interfaces available)
Power supply: 5.0V DC ±5%
EMC standard: EN55022(B)
OS compatibility: Windows (all versions), Vista, Linux, Unix, Mac OSX, iOS, Android
Operating temperature: -40°C to +80°C; Storage: -45°C to +90°C
Atmospheric pressure: 60–106 KPa
Humidity (operating): 20–95% RH
MTBF: > 50,000 hours; MTTR: < 30 minutes
Warranty: 1-year limited warranty

Technical details

• Form factor: Desktop standalone inspection keyboard
• Panel material: Aluminum alloy, pearl white finish
• Key type: Mechanical switches, 43 keys
• Emergency safety: Dedicated emergency stop switch
• Supported interfaces: USB, RS232, RS485 and other custom options
• Power: 5.0V DC ±5%
• Environmental ratings: Storage -45°C to +90°C; Operating -40°C to +80°C; 60–106 KPa; 20–95% RH
• Reliability: MTBF > 50,000 hours; MTTR < 30 minutes
• Certifications: CE, ROHS, FCC
• OEM/ODM: Available