• Triple LCD displays three DC current (mA) channels
  • Date/time stamps
  • Stores readings on an SD card in Excel® format
  • DC mA current range: 0 to 20mA
  • Accuracy: ±(0.5% + 0.02mA)
  • Sampling rate: 2, 5, 10, 30, 60, 120, 300, 600 seconds or Auto

What's in the Box

  • Six AAA batteries
  • SD memory card
  • Univeral AC Adaptor with multi-plugs
  • 3 input connect sockets
  • Mounting bracket


Extech SD900 DC Current Data Logger allows technicians to easily monitor and record DC mA values from 3 external sensors, transducers, and other sources using one meter. It also stores the time and date of when readings are taken. The logger features a large triple LCD display and records data on an SD card in an Excel®-ready format for easy transfer to a PC for analysis, trending, and archiving.