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Temperature Measurement Sites

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...

Thermosensation

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...

Assessing Body Temperature - Tympanic membrane

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...

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Related Experiment Video

Updated: May 29, 2026

Synthesis and Characterization of High c-axis ZnO Thin Film by Plasma Enhanced Chemical Vapor Deposition System and its UV Photodetector Application

Synthesis and Characterization of High c-axis ZnO Thin Film by Plasma Enhanced Chemical Vapor Deposition System and its UV Photodetector Application

Published on: October 3, 2015

Optical temperature sensor based on ZnO thin film's temperature-dependent optical properties.

Chenghua Sui¹, Juan Xia, Helin Wang

¹Department of Applied Physics, College of Science, Zhejiang University of Technology, Hangzhou, Zhejiang, China. suich@zjut.edu.cn

The Review of Scientific Instruments

|September 8, 2011

Summary

This summary is machine-generated.

A novel fiber optic temperature sensor using zinc oxide (ZnO) thin film achieves high stability and a resolution of ~1°C. This sensor demonstrates a wide temperature range (10-1800 K) for extreme environment applications.

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Synthesis and Characterization of High c-axis ZnO Thin Film by Plasma Enhanced Chemical Vapor Deposition System and its UV Photodetector Application

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The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

Published on: December 5, 2025

Area of Science:

Materials Science
Optical Engineering
Sensor Technology

Background:

Accurate temperature monitoring is crucial in various industrial and aerospace applications.
Existing fiber optic sensors face limitations in stability and operating temperature range.
Zinc oxide (ZnO) thin films offer unique optical properties for sensing applications.

Purpose of the Study:

To develop and characterize a reflective fiber temperature sensor system utilizing ZnO thin film.
To investigate the temperature-dependent optical properties of the ZnO thin film sensing head.
To evaluate the sensor's resolution, stability, and potential for broad temperature measurement.

Main Methods:

Theoretical and experimental investigation of transmittance spectra of ZnO thin film.
Fabrication of a sensing head incorporating ZnO thin film on optical fiber.
Analysis of wavelength shift in transmittance spectra as a function of temperature.

Main Results:

Achieved a temperature resolution of approximately 1°C within the 300-773 K range.
Demonstrated high stability, independent of incident light intensity.
Indicated potential for a broad temperature measurement range from 10 K to 1800 K.

Conclusions:

The proposed ZnO thin film fiber optic temperature sensor offers high stability and accuracy.
The sensor exhibits a wide operational temperature range, suitable for extreme environments.
Potential applications include aircraft, nuclear power stations, and power transmission systems.