The PS410 is a compact, high-performance arrhythmia simulator device for patient monitor testing This handheld device simulates a full range of cardiac rhythms and a wide variety of electrocardiogram conditions. It includes pacemaker simulation, 35 arrhythmia selections, and adult and pediatric normal-sinus rhythms. Small enough to fit in a pocket, the handy PS410 weighs less than a pound and is easy to operate. Technicians simply connect the PS410 to the device under test and use the PS410 keypad to enter the code presets. The PS410 then transmits the selected preset simulations to the device under test.