Edan SD3 Plus Ultrasonic Pocket Fetal Doppler, Heart-Rate Display, Rechargeable with Probe

The Edan SD3 Plus Ultrasonic Pocket Fetal Doppler, Heart-Rate Display, Rechargeable with Probe is an ideal device for routine fetal heart rate detection. With its excellent sensitivity, interchangeable probes, and high durability, it offers superior performance and great value.

Features:

• Built-in Li-on rechargeable battery for long working time
• Plug-and-play and waterproof interchangeable probes
• Compact design with easy one-hand operation
• Designed for the auscultation of fetal sounds
• Bright OLED screen with real-time FHR display
• Built-in speaker with adjustable volume
• Unique charger stand design for organized storage
• Compatible with AA batteries
• Automatic power-off while putting the probe back in the rack
• The SD3 is compatible with the following two types of waterproof probes with different probe choices:
  • Fetal Probes
    • 02-01-210721 - 2 MHz: Probe with deep penetration for late term pregnancy and overweight patients
    • 02-01-210722 - 3 MHz: It may detect fetal heartbeat as early as 9 weeks
  • Vascular Probes - Used for blood flow detection and vascular diagnosis
    
    • 02-01-210875 - 4 MHz
    • 02-01-210876 - 5 MHz
    • 02-01-210877 - 8 MHz
• It comes standard with:
  • Carry case
  • (1) Waterproof, interchangeable probe
  • Rechargeable lithium polymer battery (900 mAh)
  • Power cord
  • Charger stand
• Available in different probe combinations

Technical Specifications:

• Display: 0.96" OLED Double Color Screen
• Audio Output: 2 W
• Audio Sampling Frequency: 4 kHz
• Recording Length: 240 seconds
• Coupling Gel:
  • pH: 5.5 - 8.0
  • Acoustic Impedance: 1.5 x 10⁶Pa.s/m - 1.7 x 10⁶Pa.s/m (35°C/95°F)
• Temperature:
  • Working: 5°C - 40°C
  • Transport and Storage: -20°C - 55°C
• Relative Humidity:
  • Working: 25% - 80% (Non-condensing)
  • Transport and Storage: 25% - 93% (Non-condensing)
• Atmospheric Pressure:
  • Working: 86 kPa - 106 kPa
  • Transport and Storage: 70 kPa - 106 kPa
• Power Supply:
  • Nominal Capacity: 2600 mAh
  • Nominal Voltage: 3.7 V
  • Nominal Working Time: ≥ 16 hours
  • Charging Time: ≤ 6 hours
  • Charging Temperature: 0°C - 45°C
  • Discharging Temperature: -20°C - 60°C
  • Storage Temperature:
    • Within 1 Month: 0°C - 45°C
    • 1 - 3 Months: 0°C - 35°C
    • 3 - 12 Months: 0°C - 25°C
• Fetal Heart Rate (FHR)
  • Operating Mode: CW
  • Working Frequency: (2±10%) MHz/(3±10%) MHz
  • Nominal Frequency: 2 MHz/3 MHz
  • FHR Measurement Range: 50 bpm - 240 bpm
  • Resolution: 1 bpm
  • Accuracy: ±2 bpm
  • Ultrasound Output (2 MHz/3 MHz Probes):
    • p- < 1 MPa
    • Iob < 20 mW/cm²
    • Ispta < 100 mW/cm²
  • Effective Radiating Area of Transducer: (245 ± 15%)mm²
  • Sensitivity: 9 Weeks Gestation (3 MHz)
• Vascular
  
  • Operating Mode: CW
  • Working Frequency: (4±10%) MHz/(5±10%) MHz/(8±10%) MHz
  • Nominal Frequency: 4 MHz/5 MHz/8 MHz
  • Ultrasound Output (4 MHz/5 MHz/8 MHz Probes):
    
    • p- < 1 MPa
    • Iob < 25 mW/cm²
    • Ispta < 100 mW/cm²
  • Effective Radiating Area of Transducer:
    • 4 MHz/ 5 MHz: (32±15%)mm²
    • 8 MHz: (14±15%)mm²
• Warranty: 1 Year
• Overall Dimensions: 6.61" D x 1.22" W x 2.64" H