3 guidance and manufacturer’s declaration—immunity – Humanscale T7 User Manual
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13.3 GUIdANCE ANd MANUFACTURER’S dECLARATION—IMMUNITY
The T7 is intended for use in the electromagnetic environment specified below. The T7 user should ensure that it is used in
such an environment.
The T7 has been certified to the safety and EMC requirements of IEC 60601-1, 2nd and 3rd edition.
Immunity Test
IEC 60601 Test Level
Compliance Level
Electromagnetic
Environment—Guidance
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 synthetic, the
r/h should be at least 30%.
EFT IEC
61000-4-4
±2 kV Mains
±1 kV I/Os
±2 kV Mains
I/Os N/A
Mains power quality
should be that of a
typical commercial or
hospital environment.
Surge IEC
61000-4-5
1 kV Differential
±2 kV Common
±1 kV Differential
±2 kV Common
Mains power quality
should be that of a
typical commercial or
hospital environment.
Voltage Dips/
Dropout IEC
61000-4-11
> 95% Dip Cycle for .05 Cycle
60% Dip Cycle for 5 Cycles
30% Dip for 25 Cycles
95% Dip for 5 seconds
> 95% Dip Cycle for .05 Cycle
60% Dip Cycle for 5 Cycles
30% Dip for 25 Cycles
95% Dip for 5 seconds
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user of
the
T7
requires continued
operation during power
mains interruptions, it is
recommended that the
T7
be powered from an
uninterruptable power
supply or battery.
Power Frequency
50/60 Hz
Magnetic Field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fields should be that
of a typical commercial or
hospital environment.
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