EKV Gmbh electrical components Germany EKV Gmbh models EKV Gmbh prices

EKV Gmbh electrical components utilize the good conductivity and fluidity of mercury to control the opening and closing of electrical circuits. They consist of a glass tube, mercury, fixed electrodes, lead wires, etc. After evacuating the air from the tube, it is filled with various gases and sealed. They are suitable for environments with dust, oil, water vapor, and corrosive gases, and can also be used as explosion-proof switches in environments with explosive gases. Due to the high surface tension and specific gravity of the mercury inside the tube, and its high fluidity, the position of the mercury changes immediately with even a slight tilt of the glass tube, and contacts the electrodes via surface contact, thus enabling the switching of high AC and DC currents. Additionally, this type of switch features a service life of several million cycles at rated current, compact size, high sensitivity, no mechanical noise, and low cost, making it commonly used as an automatic control switch.

EKV Gmbh electrical component structure

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

EKV Gmbh electrical component performance

The performance of fiber optic connectors primarily involves optical performance, but also considers interchangeability, repeatability, tensile strength, temperature, and mating cycles. 1. Optical performance: The main requirements for the optical performance of fiber optic connectors are insertion loss and return loss, the two most basic parameters. Insertion loss, or connection loss, refers to the loss of effective optical power in the link caused by the introduction of the connector. Lower insertion loss is better; generally, it is required to be no greater than 0.5dB. Return loss refers to the connector's ability to suppress the reflection of optical power in the link, with a typical value of no less than 25dB. For connectors in actual applications, the ferrule surface undergoes specialized polishing treatment, which can increase the return loss, generally not lower than 45dB. 2. Interchangeability and repeatability: Fiber optic connectors are universal passive components. For the same type of fiber optic connector, they can generally be combined arbitrarily and reused multiple times, with the additional loss introduced thereby generally being less than 0.2dB. ③ Tensile strength: For assembled fiber optic connectors, the tensile strength is generally required to be no less than 90N. ④ Temperature: Generally, fiber optic connectors must operate normally within a temperature range of -40oC to +70oC. ⑤ Mating cycles: Most fiber optic connectors used can withstand more than l005 mating cycles.

EKV Gmbh electrical component characteristics

Resolution refers to the sensor's ability to detect the smallest change in the measured quantity. That is, if the input changes slowly from a non-zero value, the sensor's output will not change when the input change does not exceed a certain value, meaning the sensor cannot resolve this change in the input. The output only changes when the input change exceeds the resolution. Typically, the resolution at different points within the full-scale range of a sensor is not the same; therefore, the maximum change in the input that causes a step change in the output within the full scale is commonly used as the indicator for resolution. If this indicator is expressed as a percentage of the full scale, it is called resolution. Resolution has a negative correlation with sensor stability.

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