Philips M1353A Baby Accessories User Manual


 
Monitor
Chapter 2 Technical Specifications 15
Ultrasound Mode System: Pulsed Doppler oscillation.
Frequency: 998.4 kHz.
Repetition Rate: 3.2 kHz.
Ultrasound Intensity: 1.5mW/cm² average for each of the seven active surfaces.
DECG and MECG
Mode
See Specifications for Transducers and Cables on page 17.
External Labor Signal Range: 0 to 127 units.
Offset Compensation: ±200 units.
Internal Labor Signal Range: -99 to +127 mmHg.
Patient Leakage Current:
10 µA
rms
.
Sensitivity: 40 µV/V/mmHg (M1348A).
5 µV/V/mmHg (M1334A and CPJ840J5).
Recorder Mechanism: 3-channel, high-resolution (8 dots/mm) thermal array recorder
with paper-end detection.
Paper Speeds: 1, 2 or 3 cm/min.
Recording Time Per Pack
of Paper: 1 cm/min (25 h).
2 cm/min (12 h 30 min).
3 cm/min (8 h 20 min).
Paper Advance Speed: 24 cm/min (with automatic stop at the paper-end mark).
Annotation: Time of day, date, and paper speed are printed automatically
every ten minutes. Monitoring mode is printed with every
alteration of parameter.
Paper: Fanfold paper with numbered pages.
FHR Scale: USA: 30 to 240 bpm @ 30 bpm/cm.
Other countries: 50 to 210 bpm @ 20 bpm/cm.
Labor Scale: 0 to 100 units @ 25 units/cm.