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What is a detector switch used in digital thermometers

Digital thermometers have become one of the indispensable instruments in daily life and industry. Whether it is a thermometer used in the home, a thermometer in a medical device, or a temperature control system in an industrial process, digital thermometers play a key role. Detector switches, are ultra-small electronic components and are widely used in electronic thermometers. In this article, we will explore and discuss the application of KANGERLE detector switch KFC-V-105 in digital thermometers, including its working principle, advantages, and so on.

What is a detector switch?

detector switch factory

A detector switch is an ultra-compact microswitch with a unique design that offers the advantages of contact safety and operational sensitivity. It is miniature in size and compact in structure. KANGERLE detector switches are usually used to detect mechanical movements and convert them into electronic signals. For instance, sounding alarms, flashing lights, etc. They are widely applied in electronic products, household appliances, and the automotive industry.

KANGERLE detector switch application in digital thermometers

Simple digital thermometers are generally composed of temperature-sensing elements, circuit boards, electronic switches, buttons, housings, and so on. The temperature-sensing element is usually a thermistor or a semiconductor sensor, which is affected by the ambient temperature. Its resistance or voltage value will vary with the changes in temperature.

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KANGERLE detector switch KFC-V-105 is mounted at the position of the thermometer button. It can form a circuit with the sensing element and the circuit board. When the user presses the button, the thermometer completes the power-on state. Then put the probe of the thermometer in the desired position. Under this circumstance, detector switch KFC-V-105 will detect changes in the resistance and voltage values of the sensing element. Immediately afterward, the detector switch will convert this change into an electrical signal. The thermometer will emit a beep to indicate to the user that the temperature measurement is complete. At the same time, the temperature value will be displayed on the screen. This process is usually very fast and accurate. In short, digital thermometers utilize the electrical characteristics of the temperature sensing element to change with temperature. The detector switch KFC-V-105 converts these changes into a readable temperature value for the user.

Advantages of KANGERLE detector switches for digital thermometers

1. Compact structure

KANGERLE detector switches are small and lightweight. This feature makes them ideal for embedding into the compact design of electronic thermometers without taking up too much space.

2. High reliability

KANGERLE switch manufacturers have 30 years of experience in the production and development of detector switches. The special mechanical contact design of the detector switches makes them highly reliable. The raw materials are in compliance with international environmental certification standards. Both in terms of technology and switch materials, we can guarantee the mechanical life of millions of times. This ensures the long-term stability of the use of electronic thermometers.

3. Precise control

Detector switches can provide precise on-off control. It is very important in the temperature measurement and control process. Especially, KANGERLE detector switches are suitable for applications where a high degree of accuracy is required.

Detector Switch Manufacturer

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Founded in 1993 and located in Wenzhou City, Zhejiang KANGERLE Electronics Co., Ltd. is a manufacturer specializing in detector switches. With 30 years of research and development experience, KANGERLE Electronics has nearly 100 styles of detector switches. At present, our detector switches are mainly divided into two series, the KFC-V series and the KFC-W series. In terms of product structure, there are top-push type, side-push type, vertical and horizontal type, etc. In terms of product accessories, KANGERLE detector switch terminals are available in DIP and SMD types. Meanwhile, different lengths and heights for pins can also be selected. Moreover, the switch’s levers and buttons are also available in a variety of specifications. Customers can choose a suitable KANGERLE detector switch according to their own application requirements in terms of switch size, button direction, and action travel. In addition to detector switches, we also produce and sell waterproof micro switches, tactile push button switches, metal push button switches, rocker switches, etc. KANGELE has passed ISO: 9001 and IATF: 16949 quality management system certification, and our products have also obtained CE, CB, CQC, UL, TUV, RoHS, and other global safety certificates. Our switches are now widely used in household appliances, the automotive industry, security products, medical devices, industrial equipment, communication equipment, electronic products, etc. KANGERLE has become one of the important suppliers for manufacturers in these industries. KANGERLE Electronics aims to provide professional microswitch solutions and one-stop service for customers. For more details about switches, please visit our official website:

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