AEMC Simple Logger® Model SL30 The Simple Logger® Model SL30 is a small one channel recording device powered by two AA alkaline batteries. It can also be powered by 5V using the USB interface cable supplied. The input is 0 - 5VDC facilitated by two screw terminals. Sample rate is 8/sec with a storage rate of once per second of the average of all the samples. Application software is included with the unit by plugging it into your computer using the USB cable and downloading it from our web site. Scaling units of measure and recording length can be set through the software. Real-time graphs can be displayed, downloaded data can be analyzed, and reports printed. The main advantage of the logger is its ability to begin recording with only the need to configure the length of time for the recording. A simple one button operation is all you need. The front panel LED alerts the operator of the loggers status. Channels One Input Pulse Range Contact closure 0 to 5VDC Accuracy (50/60Hz) N/A Resolution N/A Maximum Input Voltage 10VDC Input Impedance 800k¦ Sample Rate Maximum 8 pulses per second Storage Rate 1 second Storage Modes Start/Stop Recording Length ¥43 days Memory 4 million measurements (8Mb). Recorded data is stored innon-volitile memory and will be retained even if battery is low or removed. Communication USB 2.0 (Simple Logger software free to download from web site) Power Source 2x1.5V AA (LR6) alkaline batteries or USB 5VDC Battery Life 43 days with new batteries when recording Low Battery Battery voltage display in software (Batteries need replacement when the LED is dim or does not blink) Dimensions 3.6 x 1.44 x 1.32 (91.44 x 36.58 x 34.8mm) Weight (with battery) 3.5oz (99g) Case Polycarbonate Operating Temperature 14° to 122°F (-10° to 50°C) Storage Temperature -4° to 140°F (-20° to 60°C) Relative Humidity Up to 85% @ 95°F (35°C) Ingress Protection (IP) IP40 EMC EN 61326-1 Safety Compliance IEC 61010-1