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7.2 Electrical Parameters
7.2.1 Power Source Requirements
The Healy can be connected to any power source with the sup-
plied USB-charging cable and the following specications:
Supply voltage range 4.4 V – 5.5 V DC
Output current Max. 2500 mA
Frequency DC
Socket type USB- Type A
Power type High powered 500 mA or higher
Insulation type Double or reinforced insulation
Compliance To IEC60950 or IEC60601-1
7.2.2 Healy
Input voltage Se e 7. 2.1
Input Current 20 mA
Protection class Internally powered
Applied type
BF, the electrodes are in contact to
the patient’s body
Compliance IEC60601-1:2012; IEC60601-1-2
Battery capacity 145 mAh
Battery charging time 60 min - 90 min
Charging cycles Life
expectancy
500 times, more than 80% of initial
capacity at 20°C
Output voltage -
Stimulation
-10 V to +10 V
Output current
Max. 4 mA (voltage control) / ±2,6
mA (current control)
Accuracy voltage ±0.1 V with ±10 %
Accuracy current ±20 µA with ±10 %
Output frequency -
Stimulation
DC up to 1 MHz
Signal form
Rectangular biphasic, rectangular
monophasic or DC
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