The Extech 475040-SD Digital Force Gauge/Datalogger dates, time stamps, and stores up to 2 M of push/pull readings on an SD card in Excel format for easy transfer to a PC. Featuring a 5 digit LCD display with peak hold, exclusive load cell measurement transducer, and an overrange, low battery, and advanced function indicator. It has 5 kg/176 oz/49 Newtons measurement capacity with 0.5% basic accuracy and auto power off. Complete with SD card, tension rod, carrying case and 4 adapters (flathead, cone, chisel, and hook for tension), and 6 AA batteries.