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Related Concept Videos

Thermosensation01:43

Thermosensation

Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
Temperature Measurement Sites01:14

Temperature Measurement Sites

A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's forehead...
IR Spectrometers01:25

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

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Related Experiment Video

Updated: Jun 14, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
09:48

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

Fiber-optic temperature sensor based on internally generated thermal radiation.

M Gottlieb, G B Brandt

    Applied Optics
    |March 25, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an optical fiber temperature sensor capable of measuring extreme heat (up to 1000°C) and pinpointing hot spots. This technology can enhance safety in electrical machinery by enabling early detection of potential failures.

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    Fabrication and Testing of Photonic Thermometers
    08:44

    Fabrication and Testing of Photonic Thermometers

    Published on: October 24, 2018

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
    09:03

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

    Published on: January 7, 2019

    Related Experiment Videos

    Last Updated: Jun 14, 2026

    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
    09:48

    Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

    Published on: November 7, 2016

    Fabrication and Testing of Photonic Thermometers
    08:44

    Fabrication and Testing of Photonic Thermometers

    Published on: October 24, 2018

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
    09:03

    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

    Published on: January 7, 2019

    Area of Science:

    • Optoelectronics
    • Materials Science
    • Sensor Technology

    Background:

    • Conventional temperature monitoring in electrical machinery is limited.
    • Developing robust sensors for extreme temperatures is crucial for industrial safety.

    Purpose of the Study:

    • To present a novel optical fiber-based temperature sensing method.
    • To enable real-time monitoring of hot spots in electrical equipment.

    Main Methods:

    • Theoretical and experimental investigation of thermally generated radiation within optical fibers.
    • Utilizing quartz fibers for high-temperature sensing.
    • Demonstrating functionality from 135°C to over 1000°C.

    Main Results:

    • Successful temperature sensing using thermally generated radiation in optical fibers.
    • Accurate detection of temperatures up to 1000°C.
    • Capability to determine the location and length of hot spots.

    Conclusions:

    • Optical fiber sensors offer a viable solution for monitoring high temperatures in inaccessible areas.
    • This technology can prevent catastrophic breakdowns in electrical machinery.
    • Integration into manufacturing processes can significantly improve equipment reliability and safety.