Tonne Software is a collection of free and low-cost software for engineers, especially those who work with analog electronics. One of the most popular programs in this collection is Meter, a meter scale drawing program that allows users to design custom scales for d'Arsonval analog meters. Meter has a paid version with more features, but also a free version called MeterBasic that has no time or usage limitations. In this article, we will review the features and limitations of MeterBasic and compare it with the paid version of Meter.
MeterBasic is a Windows program that can draw a single linear scale for an analog meter. The user can specify the range, units, label, font size, and color of the scale. The program also allows the user to adjust the size and position of the meter plate, the needle length and width, and the background color. The output can be printed or saved as a bitmap image.
MeterBasic can create simple linear scales for various applications, such as voltmeters, ammeters, thermometers, etc. The user can choose from different units, such as volts, amps, ohms, degrees Celsius, etc. The user can also enter custom units and labels for the scale. For example, the user can create a scale that shows the percentage of battery charge or the signal strength of a radio receiver.
MeterBasic can also accommodate the nonlinearity of some meter movements by applying a correction factor. This can improve the accuracy of inexpensive meters that have a nonlinear response. The user can enter the correction factor manually or use a built-in calculator that estimates it from two calibration points.
MeterBasic has some limitations that make it less versatile than the paid version of Meter. These are:
MeterBasic can be downloaded for free from [Tonne Software's website]. The program does not require any installation or registration. The user can simply run the executable file and start designing meter scales. The program comes with a manual that explains how to use it and provides some examples.
MeterBasic is a useful program for engineers who need to design simple linear scales for analog meters. It is easy to use and has no time or usage limitations. However, it has some limitations that make it less flexible and powerful than the paid version of Meter. For more complex and customized meter scales, users may want to upgrade to Meter or look for other alternatives.
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