Records time and date stamped DC voltage data. Accepts voltage signals from sensors, transducers and many other common voltage sources. Features user-programmable Engineering Units and offset/gain calculations so input voltages can be scaled to proper units being measured. For example, a flow rate sensor with a voltage output can be displayed as flow rate in the software graph and data. Four different voltage ranges are available. (±100mV model features differential input capability, see pages 3&4 of the specifications pdf). Single channel, screw terminal input. Voltage Range: ±100mVDC 0 to 2.5VDC 0 to 15VDC 0 to 30VDC Voltage Resolution: See Table Below Calibrated Accuracy: ±100mvDC and 2.5VDC: ±0.01%FSR at 25°C 15VDC and 30 VDC: ±0.10%FSR at 25°C Memory: 32,767 Sample Rate: 1 second up to 12 hours LED Indicator: Red Channels: 1 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: 0.9oz.