Temperature sensors are indispensable components in modern industry and daily life. They are able to convert temperature changes into measurable electrical signals, providing accurate temperature data for a variety of devices and systems. This article will introduce several common types of temperature sensors and their characteristics to help you better understand this key technology.

Thermocouples

The thermocouple is one of the most common and widely used temperature sensors. It consists of two different metal wires connected together and works using the principle of the thermoelectric effect. Common types of thermocouples include Type K, Type J, and Type T. 

Advantages:

- Wide measuring range (theoretical range -270°C to 1800°C, practical applications are usually narrower)

- Simple and robust construction

- Fast response time

- No external power supply required

Disadvantages:

- Small output signal, requires amplification

- Non-linear output, requires calibration

- Relatively low accuracy

Thermocouples are suitable for measurements in high temperature environments such as industrial furnaces and chemical reactors.

Resistance thermistor (RTD)

RTDs measure temperature by using the property that the resistance of a metal conductor changes with temperature. The most common are platinum resistors (e.g. Pt100, Pt1000), in addition to RTDs made of nickel and copper materials. 

Advantages:

- High accuracy and stability

- Good linearity

- Wide measuring range (typical range -200°C to 850°C for standard platinum resistors, special designs up to -270°C to 1000°C)

Disadvantages:

- Slow response time

- Requires external excitation current

- Higher cost

RTDs are commonly used where high accuracy measurements are required, such as in food processing, pharmaceuticals and precision instrumentation.

Thermistor

Thermistors are semiconductor temperature sensors whose resistance changes with temperature. There are two types: positive temperature coefficient (PTC) and negative temperature coefficient (NTC). Advantages:

- High sensitivity

- Fast response

- Miniaturisation

- Low cost

Disadvantages:

- Non-linear output

- Relatively narrow measuring range (typical NTC range -55°C to 150°C, special models -100°C to 300°C)

- Poor long-term stability

Thermistors are commonly used in household appliances, automobiles and medical equipment.

Integrated Circuit (IC) Temperature Sensors

IC temperature sensors integrate temperature sensing and signal processing on a single chip. Common types include the LM35 and DS18B20. 

Advantages:

- High accuracy

- Linear output

- Easy to use, no complex calibration required

- Digital outputs are available

Disadvantages:

- Limited measuring range (common range -55°C to 150°C, special models up to -200°C to 200°C)

- Requires a mains power supply

- Long response time

IC temperature sensors are widely used in consumer electronics, computers and industrial control systems.

Infrared Temperature Sensors

An infrared temperature sensor is a non-contact sensor that determines the temperature of an object by measuring the infrared radiation it emits. 

Advantages:

- Non-contact measurement

- Fast response

- Can measure the temperature of moving objects or hazardous areas

Disadvantages:

- Accuracy is affected by environmental factors

- Higher cost

- Requires periodic calibration

Infrared temperature sensors are commonly used in industrial process control, building energy efficiency, medical diagnostics (e.g., fever detection) and industrial equipment monitoring.

Emerging Temperature Sensor Technologies

In addition to the traditional types of temperature sensors mentioned above, a number of emerging technologies are also being developed:

- Fibre optic temperature sensors: Distributed temperature measurement using the characteristics of fibre optics, suitable for long-distance, wide-range temperature monitoring.

- MEMS temperature sensors: microelectromechanical systems technology to create miniature temperature sensors, with small size, low power consumption.

Conclusion

Selecting the right temperature sensor requires consideration of several factors, such as measurement range, accuracy requirements, response speed, environmental conditions and cost. Understanding the characteristics and applicable scenarios of various types of temperature sensors can help you make the best choice in practical applications. Whether it is industrial production, scientific research or daily life, temperature sensors are quietly providing us with important temperature information, promoting the continuous progress of technology and quality of life.


Tuyên bố: trang này cung cấp thông tin chỉ để tham khảo, chúng tôi không đảm bảo tính chính xác và toàn vẹn của thông tin, cũng không chịu trách nhiệm cho bất kỳ thiệt hại hoặc thiệt hại do sử dụng thông tin này.

Nhà sản xuất có liên quan

Đăng ký thư

Đừng bỏ lỡ thông tin cập nhật và khuyến mãi về sản phẩm của chúng tôi. Nhập địa chỉ email của bạn, bấm vào để đăng ký, để cảm hứng và thông tin tiếp tục được gửi đến hộp thư của bạn. Chúng tôi hứa sẽ tôn trọng sự riêng tư của các bạn và không bao giờ gửi thư rác.Liên hệ với chúng tôi: bạn điền vào, đổi lại là dịch vụ sốt sắng của chúng tôi!

Kế hoạch bán hàng

Tin tức

UCC INDU GmbH Recommendation | Detailed Overview of the STM32F103C8T6 Microcontroller and Its Applications

2025-06-16

This article provides a detailed overview of the technical specifications, functional features, application areas, and development support for the STM32F103C8T6 microcontroller, making it an ideal reference for embedded system developers.
  • Nhà sản xuất mới

Infineon Launches PSOC™ 4100T Plus MCU: A New Option for Smart Appliances and IoT

2025-06-10

Infineon launches the PSOC™ 4100T Plus MCU featuring Arm Cortex-M0+, advanced CAPSENSE™ sensing, and ultra-low power performance—ideal for smart appliances, IoT devices, and embedded control. Learn more from UCC INDU GmbH.
  • Nhà sản xuất mới

UCC INDU GmbH: Efficient and high-quality supply of electronic components for ODM/EMS and electronics manufacturers

2025-05-13

UCC INDU GmbH focuses on providing high-quality electronic component distribution services for ODM/EMS and electronic manufacturing enterprises in various industries. With rich industry experience, professional team, perfect supply chain management system and innovative technical support, UCC INDU GmbH helps customers to reduce cost and increase efficiency, realise highly efficient production and continuous innovative development.
  • Công ty

UCC INDU GmbH Recommends: AP63203WU-7 Synchronous Buck Converter - Highly Efficient and Stable Power Management Tool

2025-05-09

This paper details the core technical features, application areas and service advantages of Diodes Incorporated's AP63203WU-7 Synchronous Buck Converter and UCC INDU GmbH as a professional distributor of electronic components, which help customers achieve efficient and reliable power supply designs.
  • Nhà sản xuất mới

UCC INDU GmbH Recommends: ST Chips Enable Innovation in Charging Pile Communication Modules

2025-05-07

UCC INDU GmbH introduces ST STMicroelectronics’ applications in smart charging pile communication modules, covering products such as PLC communication SoCs, BMS communication chips and MCUs, which help charging piles to realise efficient and reliable remote data transmission and intelligent management.
  • Nhà sản xuất mới

UCC INDU GmbH Recommends: HELINKO RM58F 5G Dual Band Serial to WiFi Module Details

2025-04-29

UCC INDU GmbH recommends HELINCO RM58F 5G Dual-Band Serial to WiFi Module, which supports 2.4GHz/5GHz Dual-Band WiFi and Bluetooth 5.0, with rich interfaces for smart home, industrial automation and other IOT applications. Provide original genuine product guarantee and professional technical support
  • Nhà sản xuất mới

YAGEO Capacitors: Industry Leading Choice for High Performance, Diverse Applications

2025-04-27

UCC INDU GmbH provides high-quality YAGEO capacitors in a wide range of package sizes, voltages and temperatures for consumer electronics, automotive electronics and industrial control applications, enabling customers to achieve stable and reliable electronic design and manufacturing.
  • Nhà sản xuất mới

BY25Q256FSSIG: A Detailed Introduction to High-Performance SPI NOR Flash ​Memory

2025-04-23

BY25Q256FSSIG is a 256Mbit high-speed, low-power SPI NOR Flash from BYTe Semiconductor that supports multiple SPI modes for industrial, consumer electronics and embedded storage applications.
  • Nhà sản xuất mới
Thiết lập
Chúng tôi sử dụng cookie để cung cấp cho bạn một trải nghiệm lướt web tốt hơn và phân tích lưu lượng truy cập. Nhấn vào "thiết lập" để biết cách chúng ta sử dụng cookie và cách chúng ta kiểm soát cookie.
Danh sách mô hình IC