data logging


data logging

[′dad·ə ‚läg·iŋ] (computer science) Conversion of electrical impulses from process instruments into digital data to be recorded, stored, and periodically tabulated.

data logging

(data)(data acquisition) Storing a series of measurementsover time, usually from a sensor that converts a physicalquantity such as temperature, pressure, relative humidity,light, resistance, current, power, speed, vibration into avoltage that is then converted by a digital to analog converter (DAC) into a binary number. Data logging hardwaremay have several DACs for multiple simultaneous measurements.The hardware usually connects to a parallel port, serial port or USB port on a PC.

data logging

The continuous recording of data. The term may refer to the automatic collection of data from sensors in the field or in a factory or scientific environment. It may also refer to gathering traffic statistics in a network or events in the computer. See log, network analyzer and keystroke logger.