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Promise Pro-ESU 300

Promise Pro-ESU 300 (PRO-ESU300) Digital Electrosurgical Unit is a 300-watt multipurpose radiofrequency electrosurgical generator designed for use in operating rooms and surgical centers. It supports both monopolar and bipolar functions.This is a versatile, compact unit suitable for general surgery, TURP, and other procedures requiring reliable cutting and coagulation with good safety features. 

Key Features
  • 3-zone LED display for clear and intuitive operating selection (individual displays per zone).
  • Advanced & accurate power output control technology with minimal 1W micro power adjustment.
  • Max 7 working modes (monopolar + bipolar).
  • Dual activation: Hand switch and foot switch.
  • REM (Return Electrode Monitoring) system for patient safety.
  • Auto detection of impedance.
  • Minimal sticking, carbonization, and tissue damage.
  • Supports underwater cutting (e.g., TURP procedures).
  • Multiple alarms, output warning light/sound, volume control, and auto termination for continuous output.
  • Intelligent memory for last settings.
  • Power-on self-test and error code alarming system.
Technical SpecificationsPower Output (maximum at 500Ω unless noted):
  • Monopolar Cut:
    • Pure Cut: 300W
    • Blend 1: 250W
    • Blend 2: 200W
  • Monopolar Coagulation:
    • Standard/Contact Coag: 100W
    • Spray Coag: 80W
  • Bipolar:
    • Bipolar Coagulation: 70W
    • Bipolar Cut: 100W (varies by model variant)
Operating Frequency: 400 kHz – 500 kHz.
Form of HF Current: Sine wave / modulated sine wave.
Physical Dimensions:
  • Unit: 400 × 355 × 155 mm (or approx. 330 × 280 × 100 mm in some listings).
  • Carton: 520 × 450 × 330 mm.
  • Weight: Net ~4.7–8 kg; Gross 8.9–12.8 kg.
Power Supply: AC 110/220V, 50/60 Hz, ≤600 VA.
Classification: Class I, Type BF (defibrillator protected).
Working Mode: Intermittent loading & continuous running.
Environmental Conditions:
  • Temperature: 10–40°C
  • Humidity: 30–75%
  • Atmospheric Pressure: 700–1060 hPa
Additional Safety & Standards:
  • Complies with CE standards and German design criteria.
  • Meets ISO 13485 quality management.
  • Isolated from ground; protected against defibrillator effects.


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