HAGERELECTRO electrical components Germany HAGERELECTRO models HAGERELECTRO prices

HAGERELECTRO electrical components are tools that can accurately determine and measure temperature, divided into pointer thermometers and digital thermometers. Depending on the temperature-sensing substance used and the temperature measurement range, there are kerosene thermometers, alcohol thermometers, mercury thermometers, gas thermometers, resistance thermometers, thermocouple thermometers, radiation thermometers and optical pyrometers, bimetallic thermometers, etc. Digital thermometers can accurately determine and measure temperature, displaying it digitally rather than with a pointer or mercury. Hence they are called digital thermometers or digital temperature gauges.

HAGERELECTRO electrical component classification

Circuit breakers are classified by number of poles: single-pole, two-pole, three-pole, and four-pole, etc.; by installation method: plug-in, fixed, and draw-out, etc.

HAGERELECTRO electrical component functions

The main function of ferrite beads is to eliminate RF noise present in transmission line structures (circuits). RF energy is the AC sinusoidal component superimposed on the DC transmission level; the DC component is the required useful signal. To eliminate this unwanted signal energy, chip ferrite beads act as high-frequency resistors (attenuators). Ferrite beads have high resistivity and permeability; they are equivalent to a resistor and an inductor in series, but both the resistance and inductance values vary with frequency. They offer better high-frequency filtering characteristics than ordinary inductors, presenting resistive behavior at high frequencies, thus maintaining high impedance over a relatively wide frequency range to improve FM filtering effectiveness. Inductors can be used for power supply filtering. The circuit symbol for a ferrite bead is the same as that for an inductor, but the part number indicates it is a ferrite bead. In terms of circuit function, ferrite beads and inductors operate on the same principle, differing only in their frequency characteristics. The DC component is the required useful signal, whereas RF RF energy is useless electromagnetic interference transmitted and radiated along the line. To eliminate this unwanted signal energy, chip ferrite beads act as high-frequency resistors (attenuators), allowing DC signals to pass while filtering out AC signals. Ferrite beads have high resistivity and permeability, equivalent to a resistor and an inductor in series. In a circuit, the wire simply passes through them. High-frequency current is dissipated as heat within them; their equivalent circuit is an inductor and a resistor in series, with both component values proportional to the length of the bead. Some ferrite beads have multiple holes; passing the wire through them increases component impedance (proportional to the square of the number of passes through the bead). Ferrite beads can not only be used in power supply circuits to filter high-frequency noise (suitable for both DC and AC outputs) but are also widely used in other circuits.

HAGERELECTRO electrical component applications

Wire and cable products used in power systems mainly include overhead bare wires, busbars (bus ducts), power cables (plastic-insulated cables, oil-impregnated paper-insulated power cables (largely replaced by plastic-insulated power cables), rubber-sheathed cables, overhead insulated cables), branch cables (replacing some busbars), magnet wires, and electrical equipment wires and cables for power devices. Wire and cable products used in information transmission systems mainly include telephone cables, TV cables, electronic wires, RF cables, fiber optic cables, data cables, magnet wires, power communication cables, and other composite cables. Apart from overhead bare wires, almost all other products in this category have applications, but mainly power cables, magnet wires, data cables, and instrument and meter cables.

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