Nevro Senza - Page 43

Wireless Charging Information
The Senza system uses charging frequency of 410-485 kHz. The charging distance
between the Charger and the IPG is between 0 to 2.5 cm. Refer to the instructions
provided in the Patient Manual to optimize charging.
Electromagnetic Interference
Guidance and Manufacturer’s Declaration - electromagnetic emissions
The Senza system is intended for use in the electromagnetic environment specified below.
The customer or user of the Senza system should assure that it is used in such an
environment.
Emissions Test
Compliance
Electromagnetic Environment Guide
RF emissions CISPR
11
Group 1
The Senza system uses RF energy only for its
internal function. Therefore, its RF emissions are
very low and are not likely to cause any
interference in nearby electronic equipment.
RF emissions CISPR
11
Class B
Class A
(Programmer
Wand)
The Senza system is suitable for use in all
establishments. Including domestic establishments
and those directly connected to the public low-
voltage power supply network that supplies
buildings used for domestic purposes.
The Programmer Wand is suitable for use in all
establishments other than domestic and those
directly connected to the public low-voltage power
supply network that supplies buildings used for
domestic purposes.
Harmonic
emissions
IEC 61000-3-2
Class B
Voltage
fluctuations /
Flicker emissions
IEC 61000-3-3
Complies
Guidance and Manufacturer’s Declaration - electromagnetic immunity
The Senza system is intended for use in the electromagnetic environment specified below.
The customer or user of the Senza system should assure that it is used in such an
environment.
Immunity Test
IEC 60601 Test
Level
Compliance
Level
Electromagnetic environment
guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood, concrete,
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
± 2 kV for
power supply
lines
± 1 kV for
input/output
lines
± 2 kV for power
supply lines
± 1 kV for
input/output
lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Patient Manual 11052 Rev A (2015-01-16) 43