AEMC L404 Event Logger Simple Logger IIThe AEMC Simple Logger II Model L404 is a four channel event data logger. It is a cost effective, advance design data logger incorporating features and functions not found in data loggers costing 2 to 3 times its price. Event data is stored only as the event occurs. It works with dry contact closure or 0 3 and 0 5VDC logic levels. An internal memory allows storing over 50,000 events; more than enough for most data collection needs. Event measurement