High power frequency response analysis

FRA-X

The FRA-X forms the interface between external potentiostats or electronic loads and the ZENNIUM potentiostats. With it, EIS measurements are also possible outside the power ranges that exceed our specifications.
With the help of the FRA-X, the ZENNIUM potentiostat can modulate the current or voltage signal of the external devices. The current and voltage signals relevant for the EIS measurement are measured by the FRA-X with a very high bandwidth, despite galvanic isolation.

The FRA-X opens up new dimensions for EIS measurements on high-performance systems such as single fuel cells with several 100 cm2 or large fuel cell stacks.

The external potentiostat or electronic load only needs to have an analog control input. If the external potentiostat itself can be used to excite sinusoidal signals, the FRA-X can even be used to perform synchronous impedance measurements at individual frequencies.

The measurement setup with FRA-X can also be controlled via our remote interface.
  • User defined current range from 100 A up to 24 kA
  • Voltage ranges from 3.5 V up to 1500 V
  • Galvanostatic isolated from device under test
  • Additional channels (with PAD4 addon card)
  • Standard current ranges 500 / 1000 / 2000 A

Specifications

Current range
±500 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range of analog interface
±10 V
EIS Frequency range
10 µHz - 100 kHz
Current range
±1000 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range of analog Interface
±10 V
EIS frequency range
10 µHz - 100 kHz
Current range
±2000 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range analog interface
±10 V
EIS frequency range
10 µHz - 100 kHz
Current range
±100 A ... ±24 kA
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 / ±1500 V
Control voltage range analog interface
±10 V
EIS frequency range
10 µHz - 100 kHz
10 µHz - 10 kHz (current range > 4000 A)
Current range
±500 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range of analog interface
±10 V
EIS Frequency range
10 µHz - 100 kHz
Current range
±1000 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range of analog Interface
±10 V
EIS frequency range
10 µHz - 100 kHz
Current range
±2000 A
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 V
selectable on order
Control voltage range analog interface
±10 V
EIS frequency range
10 µHz - 100 kHz
Current range
±100 A ... ±24 kA
Voltage range
±3.5 / ±18 / ±35 / ±70 / ±175 / ±700 / ±1500 V
Control voltage range analog interface
±10 V
EIS frequency range
10 µHz - 100 kHz
10 µHz - 10 kHz (current range > 4000 A)

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