data logging


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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 measurements over time, usually from a sensor that converts a physical quantity such as temperature, pressure, relative humidity, light, resistance, current, power, speed, vibration into a voltage that is then converted by a digital to analog converter (DAC) into a binary number. Data logging hardware may 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.
References in periodicals archive ?
Engineers have expanded these capabilities to include a computerized data logging system.
Features include a vacuum capable transfer chamber, one-piece Hypalon gloves, an inert gas hook-up, internal 110-V power and serial connection for data logging. The drying train package includes two canisters filled with molecular sieve and circulation pump, and it can be used if a house supply of inert gas is not available.
A data logging system for real time surface temperature measurement is also available with a graphics line printer.
Great effort has been put into the development of data logging modules to make them compliant with current regulations, but very little has been done to improve the thermocouple.
Other options such as data logging are said to give the Sniper the capability to store up to 5,000 data points which can then transfer as stored data to a computer from the RS232C output.
With 16-bit sampling resolution, 512-KB onboard memory, and up to 4-kHz sampling rate (on one channel only), the unit provides data acquisition professionals with a data logging system for a variety of applications.
In addition, the Photovac family of instrumentation is said to be easy to use, contains powerful integrated data logging software and is humidity compensated, according to the company's literature.
The MicroLog Plus data logging system enables wireless communications from up to 200 Remote Sensing Units monitoring temperature and humidity and transmitting data to a user's PC.
The USB-6008 and USB-6009 data acquisition (DAQ) devices offer small size and easy connectivity, making them suited to operations such as data logging and environmental monitoring.
It stores up to 16,382 readings and is supplied with a long-life replaceable lithium battery, allowing for continuous data logging for at least one year, depending on logging rate and temperature.
Providing simple programming screens, this Windows- and LabVIEW-compatible software selects engineering units and data logging intervals from 2 seconds to 60 hours, and collects data from multiple data points.

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