26 Specifications and Standards Compliance
193
Fetal / Maternal Specifications
Performance Specifications
Ultrasound
Measurement Method
Ultrasound Pulse Doppler
Measurement Range
US
50 to 240 bpm
Resolution
Display
1 bpm
Printer
1/4 bpm
Jitter @ 200 bpm
≤
3 bpm
Display Update Rate
1 / second
US Intensity
Average output power
P
= (7.4 ± 0.4) mW
Peak-negative acoustic pressure
p_
= (40.4 ± 4.3) kPa
Output beam intensity (I
ob
)
(= spatial average - temporal average
intensity)
I
sata
= (2.38 ± 0.59) mW/cm
2
Spatial-peak temporal average intensity
I
spta
= (15.0 ± 3.2) mW/cm
2
Effective radiating area @ -12 dB
(3.11 ± 0.74) cm
2
Signal Quality Indication
Poor Quality
Empty
Acceptable Quality
Half-full
Good Quality
Full
Beat-to-Beat Change (max.) for Ultrasound
28 bpm
US Frequency
1 MHz ± 100 Hz
US Signal range
3.5 µVpp to 350 µVpp @ 200 Hz
US Burst
Repetition Rate
3.0 kHz
Duration
≤
100 µs
US LF Frequency Passband @ -3dB
100 to 500 Hz ± 20%
FMP Signal Range @ 33 Hz
200 µVpp to 40 µVpp
FMP Frequency Passband @ -3dB
10 to 100 Hz
Toco
Measurement Method
Strain Gauge Sensor Element
Sensitivity
1 unit = 2.5 g
Resolution
Display
1 unit
Printer
1/4 unit
Measurement Range
400 units
Signal Range
0 to 127 units
Maximum Offset Range
-300 units
Baseline Setting
20 units
Update Rate
Display
1 / second
Printer
~4 / seconds
Summary of Contents for Avalon FM20
Page 2: ......
Page 8: ...8 ...
Page 56: ...3 Basic Operation 56 ...
Page 72: ...5 Alarms 72 ...
Page 82: ...6 Patient Alarms and INOPs 82 ...
Page 86: ...7 Admitting and Discharging 86 ...
Page 90: ...8 Non Stress Test Timer 90 ...
Page 120: ...11 Monitoring Twin FHRs 120 ...
Page 126: ...12 Monitoring Triple FHRs 126 ...
Page 136: ...15 Monitoring Uterine Activity Internally 136 ...
Page 142: ...16 Monitoring FHR Using DECG 142 Testing DECG Mode Refer to the monitor s Service Guide ...
Page 154: ...18 Monitoring SpO2 154 ...
Page 164: ...20 Printing the ECG Waveform 164 ...
Page 166: ...21 Paper Save Mode for Maternal Measurements 166 ...
Page 170: ...22 Recovering Data 170 ...
Page 174: ...23 Care and Cleaning 174 ...
Page 188: ...25 Accessories and Supplies 188 ...
Page 216: ...26 Specifications and Standards Compliance 216 ...
Page 221: ...Part Number 453564290161 Printed in Germany 08 11 453564290161 ...