Description
Corometrics 120 Series Specifications
Dimensions
• Height: 6.7 “, 17 cm
• Width: 16.4 “, 41.9 cm
• Depth: 17.3 “, 43.9 cm
• Weight: 24 pounds (10.9 kg) approximately
Mode ultrasound
• Technique: Pulse Doppler With autocorrelation process
• Transducer type 9-crystal
• Reception frequency ultrasound Press mode dual mode single 4 kHz ultrasound 2kHz
• Pulse duration: 92 ms
• Transmitter Frequency: 1151 MHz
• Intensity: <5mW / cm²
• Heart rate: 50-210 BPM
• Leakage current: <10 uA 120-240 VAC, isolated by the transducer fecG mode • Technique: peak detection, cardiotachometer beat-to-beat • Heart rate: 30-240 BPM • Resolution heart rate: ± 1BPM • Artifact removal: selectable switching ± 25 BPM artifact rejection • Signal range accounting entry: 15 microvolts to 2 mV peak to peak • Tolerance compensation voltage (differential): ± 300 mVDC maximum • high common mode voltage: 20V peak to peak • Preamplifier Bandwidth: 1-100 Hz • Common Mode Rejection: Balanced> 120 dB at mains frequency, with patient cable Unbalanced = 5 k RA or LA:> 110 dB at mains frequency
• Equivalent input noise <10μV peak to peak • Input impedance: Differential> 10 milliohms, common mode> 20MΩ
• Mains frequency rejection:> 40 dB
• Leakage current: <60μA at 254 VAC, electrically insulated. Isolation, Patient Network:> 4 kVAC
• Connector plate tester leg: r simulated wave at 120 ± 1 BPM
fetal alarms
• (For modes ultrasound or GCSF) Audio: 1.5 seconds alternate bells (773 Hz and 523 Hz)
• Visual: Flashing heart rate numeric
• Limits: fetal heart rate high and low user selectable
• Technical: signal quality
• Tachycardia response time: 5 minutes at 100% of the limit violation
• Response time Bradycardia 30 seconds at 100% of the limit violation
• Response time of the signal quality 100% signal loss – 1.25 minutes, 70% loss of signal – 5 minutes, 65% loss of signal – 10 minutes
Fetal Pulse Oximeter mode
• Technique: spectrophotometry and plethysmography
• Saturation range: 10-100%
• Saturation accuracy: Reproducibility is a standard deviation = 4.7%. Nominally, the population over 67 Measures will be Within ± standard deviation
• Wavelengths: red: 735 uM, nominal; Infrared: 890μM, nominal
• Response time: User selectable: slow and fast modes Averaging
• Transmitter Frequency: 1.151 mHz
Mode uterine activity
• Range: 0-100 mmHg strain gauge, 0-100 relative units tocotransducer
• Resolution: manometer 1 mmHg, 1 unit relative tocotransducer
• Bandwidth: 0.5 Hz dc strain gauge and tocotransducer
• Excitation voltage: +4.0 VDC strain gauge
BP motherly mode
• Technique: Oscillometric. Blood pressure range: 20-255 mmHg (2.7 – 34 kPa)
• Pulse frequency range: 40-240 BPM
• Blood pressure accuracy: ± 5 mmHg with a standard deviation no greater than 8 mmHg
• Pulse Rate Accuracy ± 2 BPM or ± 2%, whichever is greater
• Display / record: systolic, diastolic, and mean; pulse rate
Maternal Pulse Oximeter mode
• Saturation range: 0-100%
• Pulse frequency range: 30-250 BPM
• Saturation accuracy: ± 1 SD% SpO2: 70-100% ± 2 digits, 50-69% ± 3 digits. 0-49% unspecified
• Accuracy pulse rate: ± 3BPM
MECG mode
• Leads: II, III and I
• Heart rate: 30-240 BPM
• Resolution heart rate: ± BPM
• Average heart rate: 1 sec.
• high common mode voltage: 20 Vp-p
• Bandwidth preamplifier 0.6 to 40 Hz
• Common Mode Rejection: balanced> 80 dB at mains frequency, with patient cable, Unbalanced 5K RA or LA> 50 dB at mains frequency
• Input impedance: Differential> 2.5 milliohms; Common mode> 10 milliohms
• Mains frequency rejection:> 40 dB
• Leakage current: <60 uA to 254 VAC, wired, electrically isolated
• Alarms: Audio: 1.5 seconds alternating chimes, Visual: Flashing heart rate numeric or message Limits: User-selectable high and low maternal heart rate, technique: leading off
energy requirements
• Line Voltage: 100/120/220/230/240 VAC
• Line frequency 50/60 Hz
• Power consumption: 100 W / 0.4 A maximum
