This Optima Scale Tension/Compression Scale is an economical solution to various weighing applications and testing purposes. It features unsurpassed high resolution in both tension and compression applications. With a measurement accuracy of better than 0.01% full scale, it is up to 10 times better than standard crane scales. Pre-calibrated with certified test weights per NIST's requirements, this scale is 0.1-lb. bi-directional for both tension and compression and safe up to 150% overload. The super bright display allows you to read weight at a distance. The load cell is nickel-plated and IP67 corrosion-resistant with a 20ft. cable from load cell to indicator. This scale features auto-zero tracking, net/gross display mode, peak hold, average hold, adjustable motion detection, full-range push-button zero, full-range push-button tare, ABS sealed indicator enclosure and a rechargeable battery.