Special Features:

Also has chart speeds of 2 in. Per hour, 1 in. Per hour, 2 in. Per minute, 1 in. Per minute, 0.5 in. Per minute, 0.2 in. Per minute, & 0.1 in. Per minute

Properties:

An item which makes a permanent visual record of values and variations in electrical voltage, and of quantities which can be converted into terms of electrical potential. For items that are not separable and operable when detached from equipment of which they are a part (built into operational end equipment), see indicator (2) (as modified); monitor (as modified); and recorder (as modified). See also oscilloscope.