An analog device or analog technology is comprised of a machine and a media readout that transmits continuous interpretable data regarding the functioning and output inherent to the machine’s purpose.
Analog in most cases is dependant on a mechanical linkage. Example: Before cars had digital readouts of the odometer, the measurement was relayed by a mechanical counter that was paired mechanically to the rotation of the car’s wheels.
Analog technology is becoming a fallback system as software digital systems are applied to old measurement points.
Another example of analog technology might be an alarm clock that is mechanical. (You have to wind up a spring to power it) The face of the clock is the display of the time which is denoted by the positions of the two clock hands. Digital clocks display time-based on the output of an electronic timer circuit. The display is in a numerical form that is reliant on the timing circuit.
In industrial settings, there are still many analog devices that are standard. Pressure gauges, ambient temperature recorders, dispensing meters, and even scales are still analog but do have digital counterparts.
Analog technologies are still relevant and as a backup are without equal when there is a power outage. This is particularly true in oil depots, and power plants where there is no shortage of pressure gauges that need to be monitored.
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