1. Digital Thermometer:
    • Key Features:
      • Digital display for easy reading.
      • Quick response time.
      • May offer features like memory recall and temperature hold.
      • Suitable for various applications, including medical, food, and indoor/outdoor temperature measurement.
  2. Infrared Thermometer:
    • Key Features:
      • Non-contact temperature measurement using infrared technology.
      • Ideal for measuring surface temperatures without physical contact.
      • Suitable for applications such as HVAC, automotive, and industrial processes.
  3. Glass or Mercury Thermometer:
    • Key Features:
      • Traditional design with a glass tube containing mercury.
      • Graduations marked on the scale for temperature readings.
      • Commonly used in laboratories and certain medical applications.
  4. Thermocouple Thermometer:
    • Key Features:
      • Measures temperature using the voltage generated by the junction of two different metals.
      • Wide temperature range and high accuracy.
      • Suitable for industrial and scientific applications.
  5. Bimetallic Thermometer:
    • Key Features:
      • Consists of two different metals bonded together.
      • The expansion or contraction of the metals with temperature changes causes a deflection.
      • Often used in industrial and HVAC settings.
  6. Liquid-in-Glass Thermometer:
    • Key Features:
      • Uses the expansion and contraction of a liquid (usually mercury or alcohol) to measure temperature.
      • Commonly found in household thermometers and certain laboratory applications.
  7. Wireless Thermometer:
    • Key Features:
      • Can transmit temperature data wirelessly to a receiver or smartphone.
      • Suitable for remote monitoring or applications where running wires is impractical.
      • Often used in weather stations or smart home systems.
  8. Dial or Analog Thermometer:
    • Key Features:
      • Traditional design with a dial or analog display.
      • Commonly used in outdoor thermometers, hygrometers, and some industrial applications.
  9. Smart Thermometer:
    • Key Features:
      • Connects to smartphones or other devices via Bluetooth or Wi-Fi.
      • Allows for remote monitoring and data tracking.
      • May have additional features such as health tracking or integration with smart home systems.