nauman,
the requirements you state are incomplete. What is e.g. the desired sample rate? Do you want to measure up to 1kV, or is there an offset of up to 1kV for a signal with less voltage?
You might want to look into NI-DMM's since they are usually instruments used for such measurements.
Another solution would be scaling down the voltage (possibly isolated) to a level more devices can digitize, this would be +-10V for the majority of devices.
Norbert
Norbert
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