ENGINEERING UNITS
One of the most useful features in the software is the ability to use customizable Engineering Units. Loggers that measure current, voltage, pulse, state, and event can convert the measured data to a more appropriate unit. For example, a 4-20mA flow meter might exert 4mA for 0 liters of water and 20mA for 5 liters of water. Using Engineering Units, a user can set up the logger to natively display the data in liters rather than milli- Amps — A useful feature for presentations! Multiple channel data loggers can have different Engineering Units for each channel. For example, if a QuadVolt is used to study a battery powered system, the Engineering Units could be set as follows: Ch. 1 – battery voltage; Ch. 2 - charge current; Ch. 3 - discharge current; Ch. 4 - battery temperature.
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UNITS OF MEASURE AND ANALYSIS
The MadgeTech software effortlessly converts data into the industry standard measurement units. Most all common measurement units are available to minimize manual conversion. Users can easily switch from displaying one unit of measurement to another. Unit preferences can be stored such that all data is displayed in the user’s preferred unit and range. Complex analyses such as Mean Kinetic Temperature, Sterilization Units and Pasteurization Units are performed with just one click. If a custom analysis is needed beyond what the software can perform, the data can be easily exported to an MS Excel® spreadsheet.
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REAL TIME RECORDING AND ALARMING
The real time recording feature in the software allows a logger that is connected to the PC to report and display data on the PC screen in real time. The software can be configured for scheduled automatic saving of the data, minimizing the chance of losing valuable data. Using the real time setup screen, alarm limits can be set for any type of unit. Alarm notifications are sent via PC screen, e-mail or telephone (eg. numeric message on a pager) in any combination. Email notification may be used with many compatible SMS (Short Messaging Service) cell phones and pagers.
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OVERLAYED GRAPHS
Graphs from multiple data loggers can be overlayed onto a single graph for simple, easy comparison. For example, comparing the temperature data from four different data loggers that took data in the basement, first floor, second floor and attic is quickly done on one graph. Switching between viewing one dataset and multiple datasets is handled by simply clicking the Graph and Composite Graph tabs located at the top of the screen. The Composite Graph tab shows overlayed datasets, while the Graph tab shows only one dataset at a time. The Composite Graph can synchronize the time scales to time-align all data or simply overlay all data to compare datasets from different runs.
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SUMMARY VIEW AND TABLE VIEW
The main software page has two additional tabs: Summary and Data. The Summary tab shows the statistical analyses (as appropriate) for the data visible in the graph window. For example, if the Mean Kinetic Temperature (MKT) of Temp101 data is required on March 13th, the horizontal (time) zoom tool is used to select the 24 hours of March 13th. Then when the Summary tab is clicked, the MKT of the temperature data from March 13th will be calculated and displayed. The table view (Data tab) shows the time stamp and data values of each sample in a matrix format.
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DIGITAL CALIBRATION
The software allows the user to calibrate the sensor channels with either a one-point or two–point calibration (sensor and logger dependent). Because this feature is built into the software and is readily accessible, sensors can be calibrated and re-calibrated as necessary. This is especially useful awhen using probes since calibration parameters can change from one probe to another. The software has a calibration wizard which asks for the calibration points (e.g. the actual value & measured value of two separate points) and calculates, then inserts the appropriate calibration coefficients automatically.
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ANNOTATIONS
The annotation capability allows the user to associate comments (eg. “closed door”) with specific data points on a graph. This is especially useful for presentations and allows for permanently demarcating salient events in the data.
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CUSTOMIZABLE GRAPHS
There are many ways the data graphs can be customized for presentation. Adding annotations (see above) and graph titles make the graph understandable. Aesthetics can also be addressed; the graphs can change in color (lines, data background), line thickness, data point frequency, datapoint symbols, and the time and data axis spans are fully configurable.
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