Defi Xpress® — Technical Specifications

Display

• Screen Type: High-resolution display
• Screen Size: 8″ (20.3 cm) diagonal
• Sweep Speed: 25 mm/s
• Displayed Information: Heart Rate, Lead/Pads, Alarm On/Off, SpO₂, AED
• On-screen Controls: Alarm selection & limits, delivered energy

Defibrillator

• Waveform: Biphasic
• Charge Time: < 7 seconds (with a new fully charged battery)
• Energy Display: Shows both selected and delivered energy
• Charge Prompts: Voice and visual prompts
• Electrode Impedance Measurement Range: 0–250 Ω

ECG Monitoring

• Patient Connection: 3-lead or 5-lead ECG cable, paddles
• Lead Selection: Paddles, I, II, III, aVR, aVL, aVF, V
• ECG Gain (size): 0.25, 0.5, 1, 1.5, 2, 4 cm/mV
• Heart Rate Range: 20–300 BPM
• Heart Rate Alarm: User-selectable (On/Off)
• Smart Alarms: Beeper/voice prompts indicate shockable rhythm

Battery

• Type: Rechargeable Ni-MH battery, 12 V
• Operating Time (new, fully charged): Up to 60 full-energy discharges OR minimum 3 hours continuous ECG monitoring (actual time varies with functions)

Optional Modules

• SpO₂
  • Measurement Range: 30%–100%
  • Accuracy: ±2% (80%–90%), ±5% (other ranges)
  • Alarm: User-set high/low limits
  • Alarm Accuracy: ±10% within setting values
  • Alarm Time Accuracy: < 12 seconds
• EtCO₂ (optional)
• NIBP (optional)

Recorder / Printer

• Paper: 50 mm thermal
• Print Speeds: 12.5, 25, 50 mm/s
• Print Modes: Manual or automatic (user-configurable)
• Automatic Recording: 9-second recording triggered by alarm activation, defibrillator charge, or discharge
• On/Off Control: Front panel and paddle
• Printing Method: High-resolution thermal print head

AED Mode

• Function: Auto-analyze and charge (up to 3 cycles) with programmable auto energy level selection
• Prompts: Voice and visual prompts
• Shockable Rhythms Defined In Unit:
  • Ventricular fibrillation (VF) with amplitude ≥ 200 µV
  • Ventricular tachycardia (VT) with rate ≥ 140 BPM
  • QRS complex duration ≥ 140 ms

Manual Mode

• Energy Selection (Joules): 2, 5, 7, 10, 20, 30, 50, 70, 100, 150, 200, 300, 360 J
• Synchronized Mode: Synchronizes pulse to patient R-wave (“SYNC” displayed)
• Charge Control: Front panel and paddle key

General

• Languages Available: English, Russian, Spanish, Chinese, Turkish
• Optional Accessories/Features: ECG monitoring paddles, SpO₂, NIBP, EtCO₂, PC software
• Design: Compact, lightweight, durable for hospital and clinic use