Corometrics 129 Fetal Monitor

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Manufactured by: GE

Category: Monitors - Fetal

GE Corometrics 129 Fetal Monitor
Corometrics 129 Fetal Monitor
  • Advanced Maternal and Fetal Monitoring Solution

The Corometrics 129 Fetal Monitor stands out as the premier choice in the Corometrics 120 Series, providing comprehensive solutions for maternal and fetal monitoring. This state-of-the-art device is designed to meet the diverse needs of healthcare professionals, ensuring the utmost care for both mother and baby.
Key Features:
  • Maternal 3-lead ECG: Designed to provide accurate and real-time maternal heart monitoring.
  • Pacer Detection: Quickly identifies pacemaker activity, crucial for effective monitoring.
  • Lead Selection: Offers flexibility in lead configuration to enhance monitoring precision.
  • Display of Waveform: Features a clear visualization of vital waveforms for easy interpretation.

  • Integrated Maternal NIBP and MSpO2: Combines non-invasive blood pressure monitoring and oxygen saturation levels for comprehensive maternal assessment.
  • Dual Ultrasound: Supports dual ultrasound technology for enhanced fetal heart rate tracking.
  • FECG: Utilizes fetal electrocardiography for precise fetal heart monitoring.
  • Uterine Activity Monitoring: Provides important insights into uterine contractions, essential for labor management.

The Corometrics 129 Fetal Monitor is your trusted partner in the labor and delivery room, delivering critical data with precision and reliability. Ensure optimal care and monitoring with this exceptional fetal monitoring solution.
Corometrics 129 Fetal Monitor Specifications



Ultrasound Mode
  • Technique: Pulse Doppler with autocorrelation processing
  • Transducer Type: 9-crystal
  • Pulse Reception Frequency:
  • 4 kHz (single ultrasound mode)
  • 2 kHz (dual ultrasound mode)
  • Pulse Duration: 92 µs
  • Transmitter Frequency: 1.151 MHz
  • Intensity: < 5 mW/cm²
  • Heart Rate Counting Range: 50 - 210 BPM (Beats Per Minute)
  • Leakage Current: < 10 µA at 120-240 VAC, isolated by transducer



FECG Mode
  • Technique: Peak detecting, beat-to-beat cardiotachometer
  • Heart Rate Counting Range: 30 - 240 BPM
  • Heart Rate Resolution: ±1 BPM
  • Artifact Elimination: Switch selectable, ±25 BPM artifact rejection
  • Countable Input Signal Range: 15 µV to 2 mV peak-to-peak
  • Offset Voltage Tolerance (Differential): ±300 mVDC maximum
  • Maximum Common Mode Voltage: 20 V peak-to-peak
  • Preamplifier Bandwidth: 1 - 100 Hz
  • Common Mode Rejection: Balanced > 120 dB at mains frequency
  • Input Equivalent Noise: < 10 µV peak-to-peak
  • Input Impedance:
  • Differential > 10 M?
  • Common Mode > 20 M?
  • Mains Frequency Rejection: > 40 dB
  • Leakage Current: < 60 µA at 254 VAC, electrically isolated
  • Isolation (Mains-to-Patient): > 4 kVAC
  • Leg Plate Tester Jack: Simulated R-wave at 120 ± 1 BPM



Fetal Alarms (for Ultrasound or FECG Modes)
  • Audio: Alternating 1.5 second chimes (773 Hz and 523 Hz)
  • Visual: Flashing heart rate numeric display
  • Limits: User selectable high and low fetal heart rate
  • Technical: Signal quality detection
  • Tachycardia Response Time: 5 minutes at 100% limit violation
  • Bradycardia Response Time: 30 seconds at 100% limit violation
  • Signal Quality Response Time:
  • 100% signal loss: 1.25 minutes
  • 70% signal loss: 5 minutes
  • 65% signal loss: 10 minutes


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