But larger drives specifically have seen the biggest dip since the beginning of the year, in relation to smaller capacities. For instance, at the start of the year in January 2012, the price-per-GB cost of a 256GB SSD was $1.37/GB. By September, that price had dropped 65% to $0.48/GB.
The digital handheld tachometer is a gauge for determining speed, velocity and distance. This handheld tachometer measures in two ways: either optically and therefore without contact, or mechanically via various adapters.
A typical total station can measure distances with an accuracy of about 1.5 millimeters (0.0049 ft) + 2 parts per million over a distance of up to 1,500 meters (4,900 ft). Reflectorless total stations can measure distances to any object that is reasonably light in color, up to a few hundred meters.