The AngE Pro 8 is an 8-channel pulse oscillograph from Sonotechnik Austria that has an additional ECG trigger. It has the same features as the AngE Pro 4, but with added features, including 8-channel measurements. Every AngE line of products come with a professional, clear and detailed evaluation software that can manage manage patient database and check measurements. The software also analyzes the results and immediately displays the patient's status.