Setup For Coupled Immunity: Ri 150 - Ametek AMP 200N Manual For Operation

AMETEK CTS AMP 200N series
Generally speaking the larger the coil, the more current and/or windings you need to get the desired field strength
inside the coil. The more windings, the higher the resistance and therefore the more voltage you need to get a
certain current into the coil to achieve the desired field strength.
Even though a coil advertises a certain field strength on its datasheet, the amplifier must be capable of the
necessary current and voltage to get that field strength. So you can see that it's not just the coil, but the type
amplifier that's used that determines the field strength
For this reason, we recommend the RL 120 for most applications.
Note: Fully compliant ISO 11452-8 Level 4 is not achievable with any known Helmholtz coils.

12.4.3 Setup for Coupled Immunity: RI 150

These requirements are related to component immunity from wire-to-wire coupling of unintended continuous
disturbances. These disturbances originate from high current PWM sources and the vehicle's charging and
ignition system.
Default test setup
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