Units are designed to measure centrifuges, pumps, rollers, shafts, gears, motors, and moving surfaces. Accuracy is 0.04% ±2 digits. Hold button freezes results. LCD digits are 1/2 inch-high and may be read from 10 feet. Low battery condition is indicated on the display. Specifications: Tachometer displays revolutions per minute from 10.000 to 99,999 (resolution 0.001, 0.01, 0.1, 1). Reports results in feet per minute 3.0000 to 30,000; yards per minute 1.000 to 10,000; and meters per minute 1.000 to 9999.9 (resolution for all three is 0.0001, 0.001, 0.01, 0.1 depending on the revolutions displayed). Accuracy is 0.04% ±2 digits, 1/2 inch-high LCD digits, Size is 4-3/4 x 1-3/4 x 1-1/4 inches.
