Extech 475040-NIST - NIST Calibration Certificate - Digital Force Gauge features: Push-Pull measurements in kg, lbs, oz and Newton units; Optional Test Stand for Tension and Compression analysis; 5 digit 0.4" (10mm) LCD with reversible display feature to match viewing angle; Exclusive load cell measurement transducer; Overrange, low battery, and advanced function indication; Zero Adjust push-button & Peak Hold switch; Selectable fast/slow response.