iWorx systems, recorders and software have been used for recording ERGs in rodents and insects as noted in these Citations.
Amplifiers
Differential Amplifier (DP-301) by Warner Instruments - The DP-301 is a single channel AC/DC differential pre-amplifier highly suited for EEG, EKG and extracellular recording.
Differential Amplifier (Model 3000) by A-M Systems - The Model 3000 High-Gain AC/DC Differential Amplifier is designed for low-noise recordings from excitable tissue. Specific applications include EEG, EKG, extracelluar recordings, and more.
Recorders
iWorx IX-RA-834 8 Channel Recorder - The iWorx RA-834C Recorder is the most advanced and feature-rich physiological data acquisition system on the market.
iWorx IX-400 Series Recorders - The iWorx 400 Series recorders are economical, high performance four, eight or sixteen channel data recorders for use with a broad range of analog amplifiers.