Radiography X-ray generator NKG-20R/220AC

equipment-mountedwith control panel

Product overview
High‑performance 20 kW X‑ray generator for medical imaging systems, suitable for fixed X‑ray units, mobile radiography and portable systems. Features a full‑touch human‑machine interface and one‑click automatic parameter correction to simplify daily calibration in hospitals and imaging departments. Provides stable high‑frequency output at 40 kHz with precise control of tube voltage and current. Supports multiple exposure modes and extensive APR storage for clinical workflows.

General parameters

• Output power: 20 kW
• Rated supply voltage: 220 VAC ±10% 50/60 Hz ±1% (380 V three‑phase optional)
• Output frequency: 40 kHz ±1%
• Tube voltage accuracy: ±3%
• Tube current accuracy: <±4% (ms > 5) and <±13% (ms ≤ 5)
• Anode speed: 2800 r/min
• Operating keyboard: Full touch keyboard
• Parameter correction: One‑click fully automatic parameter correction

Exposure parameters

• Exposure modes: kV‑mA‑ms, kV‑mAs, APR
• Tube voltage range: 40–125 kV, 1 kV step
• Tube current range: 50–200 mA, 6 adjustable levels
• Exposure time range: 2–2000 ms
• mAs range: 1–200 mAs
• Exposure time accuracy: ≤ ±5% + 0.2 ms
• mAs accuracy: ≤ ±5% + 0.2 mAs
• APR storage capacity: 2400 data groups
• Energy storage module: 450 VDC, 264 mF
• Exposure interval (80 kV test): 15 s for exposures < 100 mAs; 30 s for exposures > 100 mAs
• Auxiliary output power: 24 VDC 2 A and 220 VAC 5 A

Optional parameters

• AEC: Density control range -3 to +3, dedicated supply ±15 V
• Communication interface: RS‑232
• Function customization: Interfaces and functions customizable for system integration or customer specifications

Technical specifications

• Model: NKG-20R/220AC
• Nominal output power: 20 kW
• Standard input power: 220 VAC single‑phase; optional 380 V three‑phase
• Operating frequency: 40 kHz ±1%
• Tube voltage accuracy: ±3%
• Tube current accuracy: <±4% (for exposure durations > 5 ms); <±13% (for exposure durations ≤ 5 ms)
• Tube voltage range: 40–125 kV (1 kV step)
• Tube current: 50–200 mA (6 adjustable levels)
• Exposure time: 2–2000 ms
• mAs range: 1–200 mAs
• Exposure time accuracy: ≤ ±5% + 0.2 ms
• mAs accuracy: ≤ ±5% + 0.2 mAs
• APR presets: up to 2400 groups
• Energy storage: 450 VDC, 264 mF
• Exposure intervals (80 kV test): 15 s (<100 mAs) / 30 s (>100 mAs)
• Anode speed: 2800 r/min
• HMI: Full touch keyboard; one‑click automatic parameter correction
• Auxiliary outputs: 24 VDC 2 A and 220 VAC 5 A
• Optional interfaces: AEC density control (-3~+3), RS‑232, customizable functional interfaces