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What is Temperature Sensor : Top Manufacturers

A temperature sensor is an electronic device that measures and monitors temperature changes in physical environments, equipment, or systems. Temperature sensors are extensively used in industrial automation, automotive electronics, healthcare devices, consumer appliances, IoT systems, and environmental monitoring applications.

About Temperature Sensors

A temperature sensor is a device that measures temperature and outputs a corresponding signal in either analog or digital format. For a deeper dive, check out [temperature sensor basics and types](linkto_your_article_here - _replace with actual link if you have it).

When choosing a temperature sensor for a specific application, consider the following key specifications:

  • Temperature Range: The range of temperatures the sensor can accurately measure.
  • Output Voltage: The output voltage level in mV corresponding to the measured temperature.
  • Accuracy/Tolerance: The degree of accuracy or acceptable error in temperature measurement.
  • Supply Voltage: The required voltage to power the sensor.
  • Sensor Gain: The average slope of the output voltage change with respect to temperature change, typically measured in mV/°C.
  • Load Regulation: The change in output voltage in response to a change in load current (mV/mA).
  • Line Regulation: The change in output voltage in response to a change in input voltage (mV/V).

Temperature Sensor Vendors and Manufacturers

Here’s a table of some vendors and manufacturers of temperature sensors, along with example part numbers:

Vendors/ManufacturersPart Number(s) with Description
NXP SemiconductorKTY81, KTY82
TILM34, LM35, LM335
TE Connectivity Corp.Visit their website for a wide range._
Vernier Software & Technology, USADifferent types of temperature sensors are available, typically ranging from 50°C to 150°C.
United Electric Controls, MAManufactures RTD (Resistance Temperature Detector) type temperature sensors.
Lake Shore Cryotronics, Inc.Manufactures various types, including diode-based and RTD-based (positive and negative) sensors.
Dwyer InstrumentsOffers RTD, thermocouple, and thermistor types.
Silicon LabsSi705x digital sensor with I2C interface. Si7015 and Si7021 are humidity/temperature sensors.
OmegaMany types available; visit their website for details.
SiemensSITRANS TS series of temperature sensors.
Microchip Technology Inc.AT30TS74 (SMBus and I2C based temperature sensor)

Summary

A temperature sensor measures thermal conditions and converts them into electrical signals. Manufacturers provide temperature sensing solutions for industrial, automotive, medical, consumer, and IoT applications.