Ergonomic hand-held device objectively quantifies muscle strength, and provides reliable, accurate, stable readings. Measures peak force, time to reach peak force, total test time, time within selectable ranges and average force. Set test time from 1 to 10 seconds with a tone to indicate start, stop and when reaching a specified threshold. Automatic or manual storage of data for up to 150 tests in on-board member. Measurement range is 0-300 lbs. Accuracy +/- 0.2 lbs. and resolution 0.1 lbs/0.1kg /1N. Stored data browsing is built into the device. Includes one rechargeable lithium-ion battery, and three interchangeable easy-to-clean pads.