Laerdal CPRmeter 2 Part #: 801-00249CPRmeter 2 Q CPR Performance Feedback Device by Laerdal. It is a known fact high quality CPR saves lives. The better the CPR, the better the chance for survival. In those early, most critical moments of a cardiac arrest, the CPRmeter 2 will help first responders optimize their CPR performance by providing real time feedback on the essential parameters of CPR. The question is, "How do you know if you or your fellow responders are consistently