69
Instructions For Use
EN
14.4 Transducers
Ultrasound
Range
30 to 240 bpm
Accuracy
± 1 bpm over the range 100-180 bpm
± 2 bpm outside range
Alarms
High: 150-200 bpm
Low: 50-120 bpm
Signal Loss: % loss in last 5 minutes
Mode
Directional pulsed Doppler
Repetition rate 3.0kHz
Frequency
1.0MHz (green)
P–
<30kPa
Iob
<1mW/cm2
Ispta
<3mW/cm2
Resolution
16 bits
Safety
Type CF protection
Ingress Protection
IPX7
Standards
IEC60601-2-37 : 2007 (Thermal Indices (TI) and Mechanical Index (MI) are
<1.0 for all device settings)
Uterine activity (external TOCO)
Range
0-100 relative units
Sensitivity
80% (±5%) scale reading equivalent to 100g
Offset range
±100g
Auto zero
Manual and auto zero facility
Safety
Type CF protection
Ingress Protection
IPX7
Alarm characteristics
Alarm Sound Pressure Levels
at 1m
Minimum 53db(A)
Default 75db(A)
Maximum 92db(A)
Alarm tone
3 pulses
Pulse frequency = 311Hz
Pulse duration = 170ms
Rise time = 17ms
Fall time = 28ms
Inter pulse gap = 160ms
Pulse amplitudes within 10% of each other
Inter burst interval between 2.5s and 30s