GE Corometrics 250 Series
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The GE Corometrics 250 Series and Corometrics 250cx Series fetal monitors are a full antepartum/intrapartum fetal monitor that includes innovative features that help deliver high-quality birthing experiences with enhances patient care. The 250 Series and 250cx series monitors uterine and fetal activity including fetal heart rate and has enhanced maternal monitoring features including temperature, oxygen saturation, ECG, and non-invasive blood pressure.
Specifications
Features
Dimensions
- Height: 6.7 in (17 cm)
- Width: 16.7 in (42.4 cm)
- Depth: 17.5 in (44.4 cm)
- Weight: 22 lbs (10.9 kg)
Power
- Nominal Line Voltage: 100 VAC | 120 VAC | 220 VAC | 230 VAC | 240 VAC
- Line Frequency: 50/60 Hz
- Power Consumption: 100 W | 0.4 A
- Chassis Leakage: < 300 μA
Operating Environmental
- Operating Temperature: 50°F to 104°F (10°C to 40°C)
- Operating Humidity: 10% to 95%, non-condensing
- Operating Pressure: 700-1060 mbar (525-795 mmHg)
Storage Environmental
- Storage Temperature: 14°F to 131°F (-10°C to 55°C)
- Storage Humidity: 45% to 65%, non-condensing
- Storage Pressure: 700-1060 mbar (575-795 mmHg)
FECG Mode
- Technique: Peak detecting, beat-to-beat cardiotachometer
- Heart Rate Counting Range: 30–240 bpm
- Heart Rate Resolution: ± 1 bpm
- Artifact Elimination: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: 1–90 Hz
- Common Mode Rejection:
- Balanced:> 120 dB at mains frequency, with patient cable
- Unbalanced 5kΩ RA or LA: > 110 dB at mains frequency
- Input Equivalent Noise: < 10 µV peak-to-peak
- Input Impedance:
- Differential: > 10 MΩ
- Common Mode: > 20 MΩ
- Mains Frequency Rejection: > 40 dB
- Leakage Current: < 60 µA at 254 VAC, electrically isolated
- Isolation, Mains-to-Patient: > 4 kVAC
Ultrasound Mode
- Technique: Pulsed Doppler with autocorrelation processing
- Transducer Type: 9-crystal
- Pulse Repetition Frequency:
- Single Ultrasound Mode: 4 kHz
- Dual Ultrasound Mode: 2 kHz
- Pulse Duration: 92 µs
- Transmitter Frequency: 1.151 MHz
- Spatial-Peak Temporal Average Intensity: Ispta < 10 mW/cm2
- Spatial-Average Temporal Average Intensity: sata< 5 mW/cm2
- Focal 20 dB Beam Area: 16.6 cm2 , at a range = 7 cm
- Peak Instantaneous Intensity: 1.8 mW/cm2
- Peak-Negative Acoustic Pressure: p < 10.0 kPa
- Heart Rate Counting Range: 50–210 bpm
- Leakage Current: < 10 µA at 120–240 VAC, isolated by transducer