We make body-worn GPS tracking devices (with GSM communications) which are
defined as ‘Portable’ in the context of the EN 301 489 series of EMC standards,
(harmonised standards for EMC under the R&TTE directive).
The trackers are powered by built-in rechargeable cells which are re-charged as
required using a standard off-the-shelf plug-in DC wall-wart (which we supply)
that has it’s own EMC & Safety approvals from the manufacturer(s).
We test Radiated Immunity, Rediated Emissions and ESD on the main unit.
I am getting conflicting advice about whether or not we should EMC test (or
assess) the following:
Conducted Emissions
Conducted Immunity
Surges
Fast Transients.
Or even the whole lot, including the radiated emissions & immunity and ESD in
charging mode?
None of these are applicable for portable equipment under EN 301 489 but I am
getting conflicting advice – some say no need to test, some say as it’s plugged
in for charging, it should be tested.
Help! Opinions and advice most welcome.
Regards,
Tony
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