Refurbished Fetal Monitor Corometrics® 118 Series 0 to 100 mmHg Range Pressure, 1 mmHg Resolution; Peak Detecting Beat-to-Beat Cardio Tachometer, 30 to 240 bpm Heart Rate; Pulsed Doppler with Autocorrelation Processing, 100 W Power Consumption

Toco, ultrasound transducer and ECG

Provides simultaneous, noninvasive monitoring of twins as well as internal/external monitoring and maternal ECG

Data storage and transmission

Integrated maternal pulse oximetry and NIBP monitoring

Pulse repetition frequency: 4 kHz in single ultrasound mode, 2 kHz in dual ultrasound mode

92 µs Pulse duration, 1.151 MHz center frequency, <10 m w/cm2 Intensity, 50-210 BPM Heart rate counting range, < 10 µA at 120 VAC leakage current

Bandwidth Tocotransducer DC to 0.5 Hz, strain gauge DC to 3 Hz Zero temperature drift < 0.1 mmHg/°C (electronics only)

<10 µA at 120 VAC (transducer isolated) leakage current

±1 bpm Heart rate resolution

Switch selectable±25 BPM artifact rejection artifact elimination

15 µV to 2 mV peak-to-peak (fetal), 100 µV to 2 mV peak-to-peak (maternal) Input signal range differential

20 VDC (max.) Common mode

1 to 100 Hz Preamplifier bandwidth

Common mode rejection >120 dB balance, with patient cable >110 dB 5k RA or LA unbalance

< 10 µV peak-to-peak Input equivalent noise

Differential mode > 10 MΩ, common mode > 20 MΩ Input impendence

>40 Db Main frequency rejection