4lbf x 0.001lbf (20N x 0.005N) Precision force gauge designed for tension and compression applications with a maximum capacity of 4lbF and a resolution of 0.001lbf. Measurements are automatically stored on the expandable microSD card and can be easily transferred to a PC via USB or RS232. Rugged and ergonomic with an auto rotating backlit LCD display which automatically adjusts to the position of the force gauge. Includes all essential force measuring modes such as Peak, Multi Peak, and Standard (Real Time). The unit is overload protected up to 200% at full scale, and equipped with a used-capacity indicator. The FB is equipped with four powerful and easily removable batteries with keep the unit charged up to 32 hours. NIST Traceable Certificate with Data.