DSM16.1 in stock. German DSM16.1 electrical components. DSM16.1 inventory.

DSM16.1 electrical components are commonly used temperature-sensing elements in temperature measurement instruments. They directly measure temperature and convert the temperature signal into a thermoelectric EMF signal, which is then converted into the temperature of the measured medium by an electrical instrument (secondary instrument). The external shapes of various thermocouples often differ significantly depending on requirements, but their basic structures are largely similar, typically consisting of main parts such as hot electrodes, insulating protective tubes, and terminal blocks. They are usually used in conjunction with display instruments, recording instruments, and electronic regulators. In industrial production processes, temperature is one of the important parameters that need to be measured and controlled. In temperature measurement, thermocouples are widely used. They offer many advantages, including simple structure, ease of manufacturing, wide measurement range, high accuracy, low inertia, and output signals that are easy to transmit over long distances. Additionally, since a thermocouple is a passive sensor that does not require an external power supply during measurement, it is very convenient to use. Therefore, it is often used to measure the temperature of gases or liquids inside furnaces and pipes, as well as the surface temperature of solids.

DSM16.1 electrical component structure

The simplest switch has two metal pieces called "contacts." When the two contacts touch, they complete the current circuit; when they do not touch, the current path is open. When selecting contact metals, consideration must be given to their corrosion resistance, because most metals form insulating oxides after oxidation, preventing the contacts from working properly. Selection of contact metals also requires considering factors such as electrical conductivity, hardness, mechanical strength, cost, and toxicity. Sometimes, corrosion-resistant metals are plated onto the contacts. Plating is generally applied to the contact surfaces to avoid performance degradation due to oxides. Sometimes, non-metallic conductive materials, such as conductive plastics, are used for the contact surfaces. In addition to contacts, switches have moving parts that make or break the contact connection. Switches can be classified into lever switches, push-button switches, rocker switches, etc., based on the different types of moving parts, and the moving parts can also be other forms of mechanical linkages.

DSM16.1 electrical component principle

Optical measurement and control systems manufactured based on different principles of luminous flux acting on photoelectric elements are diverse. According to the nature of the output quantity of the photoelectric element (optical measurement and control system), they can be divided into two categories: analog photoelectric sensors and pulse (switching) photoelectric sensors. Analog photoelectric sensors convert the measured quantity into a continuously changing photocurrent, exhibiting a single-valued relationship with the measured quantity. Analog photoelectric sensors can be divided into three major categories based on the method of measuring the target object: transmission (absorption) type, diffuse reflection type, and light-blocking (beam interruption) type. The so-called transmission type refers to placing the measured object in the optical path; the light energy emitted by a constant light source passes through the measured object, and after partial absorption, the transmitted light is projected onto the photoelectric element. The so-called diffuse reflection type refers to projecting light from a constant light source onto the measured object, which then reflects off the surface of the object and is projected onto the photoelectric element. The so-called light-blocking type refers to the scenario where the luminous flux emitted by the light source is partially blocked by the measured object, causing a change in the luminous flux projected onto the photoelectric element; the degree of change is related to the position of the measured object in the optical path. Photodiodes are the most common light sensors. The appearance of a photodiode is similar to that of a general diode. When there is no illumination, it behaves like a ordinary diode with a very small reverse current, known as the dark current of the photodiode. When illuminated, carriers are excited, generating electron-hole pairs, known as photo-carriers. Under the influence of an external electric field, the photo-carriers participate in conduction, forming a reverse current much larger than the dark current, which is called the photocurrent. The magnitude of the photocurrent is proportional to the light intensity, so an electrical signal that varies with light intensity can be obtained across the load resistor.

DSM16.1 electrical component features

Features self-diagnostic stable operating zone indication, promptly informing whether the working status is reliable; through-beam, reflective, and mirror-reflective photoelectric switches all have anti-interference functions, making installation convenient; settings at the control end allow pre-checking whether the photoelectric switch is working properly before operation. It can also accept interrupt or detection commands from a computer or programmable logic controller at any time. An appropriate combination of external diagnosis and self-diagnosis can intelligentize the photoelectric switch; fast response speed enables detection of tiny objects moving at high speeds; adopts specialized integrated circuits and advanced surface mount technology, offering high reliability; small size and light weight, simple installation and debugging, and includes short-circuit protection functionality.

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