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Portable temperature and humidity data loggers

18 August 2015

Omega Engineering has introduced the OM-90 Series of portable, battery operated, temperature (OM-91) and temperature/humidity (OM-92) data loggers.

Temperature is measured to an accuracy of ±0.3°C over the range of 5 to 60°C and ±2.0°C over the full range of -30 to 80°C. Relative humidity is measured to an accuracy of ±3.0% RH over the 20 to 80% RH range and ±5.0% RH over the 0 to 100% RH range. Both temperature and relative humidity are logged at a user configurable logging rate, which is software selectable.

These data loggers are suitable for transportation applications where it is necessary to document that the material in-transit has stayed within particular environmental limits. High/low alarm limits can be set above or below which LED indicators will be activated so that the user can become aware that the desired transportation conditions have been exceeded.

Each data logger can be assigned a 16 character name, which is particularly useful for applications where multiple data loggers are used and there is a need to distinguish between them (for example based on location).

The data logger includes an easy-to-use software application for configuration, extraction of logger data, graphically viewing data, spread sheet analysis of data and saving data to file (typically in comma separated value CSV file format) for third party applications such as Microsoft Excel.

The graphical user interface is completely intuitive in terms of configuring new devices and extracting data from a field device. When the user has multiple devices requiring the same set-up then a logger setup from a saved configuration file can be preloaded into the application to help expedite the process and ensure all loggers get set-up identically. The application does not require any driver installations to connect to the data logger.


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