|
Gestational weeks
|
No less than 12 weeks
|
|
Working Temperature
|
5 - 40 Deg.C / 41 - 104 Deg.F
|
|
Storage / Transportation Temperature
|
-20 - 55 Deg.C / -4 - 131 Deg.F
|
|
Working Humidity
|
15 - 85 percent
|
|
Storage / Transportation Humidity
|
10 - 93 percent
|
|
Atmospheric Pressure
|
86 - 106kPa
|
|
Integrative Sensitivity
|
Not Less than 90db
|
|
FHR Measuring Range
|
50 - 210 BPM ( BPM : beat per minute )
|
|
Accuracy
|
+ / - 2 BPM
|
|
Speaker Power
|
0.5W
|
|
Power
|
2 AA Batteries ( not included )
|
|
Working Frequency
|
2.125 - 2.875 MHZ
|
|
Spatial-peak Temporal-peak Intensity
|
Less than 21.7kPa
|
|
Ultrasonic Output Intensity
|
Less than 10mW
|
|
Display type
|
Color LCD Display
|
|
Pattern Type
|
Solid
|
|
LCD Size
|
1.8 inch
|
| Contact Person : | Robert |
|---|
