Records time and date stamped data point when an event or momentary, closed contact occurs. Can be used with dry contact relay switches or analog voltage input signals from external devices (i.e. event initiators, pulse output transducers, totalizers, counters, etc.) User-programmable Engineering Units. Screw terminal input. Input Range: 0~12VDC continuous (0~30 VDC peak) Input Low: <0.4V Input High: >2.7V Internal Weak Pull-Up: <500ìA Recommended Duty Cycle for Inputs Greater than 12VDC (over 1 minute interval): 18V:<50%, 24V:<25%, 30V:<10% Sample Rate: 1 second up to 12 hours Minimum Time Resolution: 1 second Minimum Input Active (Low) Time: 1 millisecond Memory: 13,107 events LED Indicator: Red Required Interface Package: IFC110 Baud Rate: 2,400 Typical Battery Life: 1 year Operating Environment: -40~+80°C, 0~95%RH non-condensing Material: ABS plastic Dimensions: 1.4" x 2.5" x 0.6" (36mm x 64mm x 16mm) CE Approval: Yes Weight: 1oz.