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EMO Systems electrical components are indispensable measuring instruments for departments such as power electronics, generally with the main purpose of measuring voltage, current, and resistance. Multimeters are divided into analog multimeters and digital multimeters according to the display method. It is a multi-function, multi-range measuring instrument. General multimeters can measure DC current, DC voltage, AC current, AC voltage, resistance, and audio levels, etc. Some can also measure AC current, capacitance, inductance, and some semiconductor parameters (such as β), etc. A multimeter is a magnetoelectric instrument with a rectifier that can measure various electrical parameters such as AC/DC current, voltage, and resistance. For each electrical quantity, there are generally several ranges. Also known as a multi-meter or simply multi-meter. A multimeter consists of a magnetoelectric ammeter (meter head), measuring circuit, and selector switch, etc. Through the switching of the selector switch, various electrical parameters can be conveniently measured. The main basis for its circuit calculation is Ohm's law for closed circuits. There are many types of multimeters, and they should be selected according to different requirements during use.

EMO Systems electrical component classification

Oscillators are mainly divided into RC, LC oscillators, and crystal oscillators. 1. RC oscillators using an RC network as the frequency-selective phase-shift network are collectively referred to as RC sine wave oscillators, belonging to audio oscillators. 2. LC oscillators using an LC oscillating circuit as the phase-shift and frequency-selective network for positive feedback are called LC oscillators. 3. Crystal oscillators are oscillators whose oscillation frequency is controlled by a quartz crystal. 6. Temperature coefficient oscillators refer to a type of oscillator where there is a specific relationship between its oscillation frequency and temperature, i.e., different temperatures correspond to different oscillation frequencies. Conversely, by measuring the output frequency of the oscillator, the temperature value can be measured.

EMO Systems electrical component structure

A thermopile is a pyroelectric infrared sensor, a device composed of thermocouples. It has been widely used as a temperature detection device in fields such as ear thermometers, radiation thermometers, electric ovens, and food temperature detection. It is composed of two or more thermocouples connected in series, and the thermoelectric potentials output by each thermocouple are superimposed on each other. Used to measure small temperature differences or average temperatures. Structure of a thermopile: the radiation receiving surface is divided into several blocks, each connected to a thermocouple, and connecting them in series forms a thermopile. Depending on the application, practical thermopiles can be made into wire-type and thin-film types, and can also be made into multi-channel and array devices.

EMO Systems electrical component structure

1. The electrode of a fuel cell is the site of electrochemical reactions where fuel undergoes oxidation and oxidant undergoes reduction. Its performance depends mainly on the performance of the catalyst, the material of the electrode, and the electrode manufacturing process, etc. 2. The main function of the electrolyte membrane is to separate the oxidant from the reductant and conduct ions. 10. The current collector, also known as the bipolar plate, has functions such as collecting current, separating oxidant from reductant, and guiding reaction gases. The performance of the current collector mainly depends on its material properties, flow field design, and processing technology.

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