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Ultrasound
Ultrasound Frequency:
p- <1 MPa
I
<10 mW/cm
ob
I
<100 mW/cm
spta
FHR Measurement Range:
Resolution:
Accuracy:
Dielectric Strength:
ISATA@ the transducer face: 1.865 mW/cm
Entrance beam: 6.08 cm
Measurement uncertainties for ISATA: +26.6%
Measurement uncertainties for ultrasonic power: +26.6%
TOCO Range:
Non-linear Error:
Resolution:
TOCO
Zero Mode:
Dielectric Strength:
Technique:
AFM
Range:
Resolution:
Marking
Manual fetal movement mark
A1.4 Recorder Specifications
Paper:
Paper width:
Effective printing width:
FHR printout width:
FHR scaling:
(1.0±10%) MHz
2
2
50 bpm ~ 240 bpm
1 bpm
±2 bpm
> 4000Vrms
2
0% ~ 100%,
±10%
1%
Automatic/ Manual
> 4000Vrms
Pulsed Doppler ultrasound
0% ~ 100%,
1%
Z-fold, thermosensitive
152mm (GE)
110mm (American Standard)
120mm (International Standard)
70mm (American Standard)
80mm (International Standard)
30bpm/cm (American Standard)
20bpm/cm (International Standard)
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Appendix 1: Product Specifications
2
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