The HP 34970A is a high performance, low cost data acquisition and switching mainframe ideal for data logging, data acquisition, and general purpose switching and control applications. It consists of a half-rack mainfrmae with an internal 6 1/2 digit (22 bit) digital multimeter. Three module slots are built into the rear of the unit to accept a combination of switch and control modules. Whether you need a few channels of simple data logging or a hundred channels of ATE performance, the HP 34970A meets your data acquisition needs at a price that meets your budget.