Shimpo FGE-500HX LCD Display Digital Force Gauge, 0.1 lbs Graduation, 500 lbs Range Measures tensile (pull) or compression (push) forces Displays present force or maximum positive or negative peak force Measurement accuracy of + or - 0.2 percent of full scale 1,000 hertz (Hz) maximum sampling rate updates measurements 1,000 times per second Reversible display and keypad provide readability when the gauge is held upside down