| A data logger is a solid state device used to measure | | | | GSM, GPRS or telephone lines. Some data logger |
| and record analogue and / or digital inputs from | | | | models also publish their data direct to websites. |
| sensors or other instruments. Typically these sensors | | | | Due to it's versatility in measurement applications the |
| or other instruments will themselves be measuring | | | | data logger has become an indispensable tool for |
| environmental or process parameters such as | | | | academic and medical research, biologists, physicists, |
| temperature, humidity, pressure, flow, level, wind speed, | | | | process engineers, civil engineers, electrical engineers |
| wind direction, and many other physical properties. | | | | and environmental scientists. A wide range of data |
| A data logger is a stand alone recording device. It | | | | logger types are used across a whole spectrum of |
| does not need a PC to store it's data. There are many | | | | industries, including power generation, oil and gas |
| types of data logger. However they fall into two broad | | | | exploration, general manufacturing, civil construction, |
| categories. | | | | aerospace, horticultural and medical science. |
| 1) Small compact battery powered data logger for use | | | | Omni Instruments has been actively involved in the |
| in remote locations or in application where weight and | | | | data logger market for over 10 years and has supplied |
| space available is critical | | | | all data logger types for a vast range of applications. |
| 2) Large multi channel data logger, usually mains | | | | They include: |
| powered to store large amounts of data from many | | | | Temperature data logger - for use in offices, factories |
| external sensors and inputs. | | | | and hospitals |
| Data logger design has improved exponentially over | | | | Temperature and humidity data logger for |
| the last few years. A typical small data logger for | | | | measurement in museums and warehouses |
| single channel temperature measurement will be no | | | | Temperature, rainfall, wind speed and direction, solar |
| larger than a matchbox, and can store up to 32,000 | | | | radiation and barometric pressure data logger for |
| temperature readings. Utilising flash memory some 4 | | | | measurement in remote weather stations |
| and 8 channel data logger types are still small enough | | | | Multiple input data logger units for vibration, orientation |
| to fit in your pocket, with battery life of up to 2 years. | | | | and movement measurement in robots and remotely |
| Most types of data logger come with custom | | | | controlled vehicles |
| software to download data to a PC, show the results | | | | Process data logger units for pressure, flow and level |
| in graph and table format, and export data to MS | | | | measurement in factories and plants |
| Excel and other applications. The proprietary software | | | | Vibration data logger for goods in transit |
| is also used to program the data logger for sample | | | | In short a data logger in many applications is a far |
| rate, and logging duration. Data is usually downloaded | | | | more effective means of recording measurements |
| directly from the data logger to the PC. However with | | | | and activity than a man with a clip board or traditional |
| many types of data logger data download can also be | | | | recording instruments such as chart recorders. |
| achieved remotely using Ethernet, low power radio, | | | | |