A type of galvanometer that permanently recorded measurements was the chart recorder.
For example, a chart recorder may provide loop power to a pressure transmitter.
Many types of chart recorders use a galvanometer to drive the marking device.
The oscillation had been running silently, for about an hour tracing out a stable pattern on the chart recorder.
Some older machines have dial or digital displays and chart recorders.
Halfway through the gesture he jerked his hands away and stared at the chart recorder.
The first commercial devices (medical strip chart recorders) were introduced in 1951 by Siemens.
Speed and torque signals can also be recorded by a chart recorder or plotter.
Electronic data loggers have replaced chart recorder in many applications.
In addition, the output may be sent to a chart recorder, data logger, or computer.