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Multimeter (or DMM), next to the oscilloscope, and the second most important measuring device in each workshop and electronics laboratory from small, Amateur Studio, professional services, prototypownie whether academic laboratories. The task of the multimeter is measuring voltage, current, resistance, and the best models also capacitance, inductance and frequency. Some devices have a function of measuring non-electrical such as temperature or light. A quality device is an essential equipment for every electronic.

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Meter - DC current
Meter - AC current
Meter - Resistance
Meter - Capacitance
Meter - Inductance
Meter - Auto Range
Meter - Frequency
Meter - Backlight
Meter - sound
Meter - Transistor tester
Meter - Battery tester
Meter - Diode tester
Meter - Temperature
Meter - Data Hold

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Measuring devices (multimeter) for all applications

The choice of multimeter is dictated, first of all, we need a range of functional measurements and the required accuracy. Basic electrical measurements can be made almost in all of them, although in the case of systems of precision it is necessary to pay attention to the accuracy class of the instrument (expressed as a percentage of the measurement range). Digital multimeter with LCD display, is today the most popular form of this device, although many people still used analog sensors (wskazówkowe).

Multimeter (DMM) - Settings,...

Classic multimeter can measure voltage AC and DC (most often at frequencies in the range close to 50 Hz, although a better model can work with high frequency signals, DC current, resistance. The most versatile meter also has the function of measuring the voltage of conduction of semiconductor diodes, the detection of short-circuit (so-called test transitions – multimeter beeps when it detects resistance below a certain value). More advanced devices can also measure the strength of the current variable within a certain range of frequencies, sometimes also available is a function of the measure frequency and duty cycle of the pulse – this last option is especially useful for testing of generators PWM, for example, in the driver flow modelling or diagrams of smooth adjustment.

Additional functions of universal meter

Almost all instruments for measuring electric and boast additional features that greatly extend the measurement capabilities or facilitate maintenance. Part of the indicators has the ability to turn the screen backlight on, making it easier to work in dark or low light conditions. Almost every multimeter has the function of freezing the state of the display (HOLD) that facilitates extremely accurate measurement value at the moment. The multimeter can also ease the battery test and measurement of the gain of bipolar transistors. Noteworthy model with a USB connection, allowing you to use the meter in the role of loggera measurement data.