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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

4.3K
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...
4.3K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

2.1K
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,...
2.1K
Thermosensation01:43

Thermosensation

29.7K
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...
29.7K
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

1.9K
Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
1.9K
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

1.4K
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...
1.4K
Body Temperature01:07

Body Temperature

1.8K
Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C...
1.8K

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Related Experiment Video

Updated: May 2, 2026

Construction of a Compact Low-Cost Radiation Shield for Air-Temperature Sensors in Ecological Field Studies
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Construction of a Compact Low-Cost Radiation Shield for Air-Temperature Sensors in Ecological Field Studies

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A harsh environment-oriented wireless passive temperature sensor realized by LTCC technology.

Qiulin Tan1, Tao Luo2, Jijun Xiong3

  • 1Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Tai Yuan 030051, China. tanqiulin.99@163.com.

Sensors (Basel, Switzerland)
|March 6, 2014
PubMed
Summary
This summary is machine-generated.

This study presents a wireless passive temperature sensor using Low Temperature Co-fired Ceramics (LTCC) for harsh environments. The sensor demonstrates reliable performance up to 700°C, showcasing its feasibility for high-temperature applications.

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Sensor Technology

Background:

  • Harsh environments like high temperatures and rotating machinery require robust, wireless temperature measurement solutions.
  • Existing sensors often face limitations in extreme conditions, necessitating novel approaches.

Purpose of the Study:

  • To develop and demonstrate a wireless passive temperature sensor using Low Temperature Co-fired Ceramics (LTCC) technology.
  • To enable contactless temperature monitoring in challenging industrial settings.

Main Methods:

  • Fabrication of a wireless passive sensor utilizing a ferroelectric dielectric material within an LC circuit.
  • Integration of a temperature-sensitive capacitor and a planar spiral inductor.
  • Contactless detection of resonant frequency shifts via an external antenna's impedance parameters.

Main Results:

  • The sensor exhibited a resonant frequency shift correlated with temperature variations.
  • Testing from room temperature to 700°C demonstrated significant repeatability and sensitivity.
  • The feasibility of a high-performance wireless passive temperature sensor using LTCC was confirmed.

Conclusions:

  • The developed LTCC-based wireless passive temperature sensor is suitable for high-temperature applications.
  • The sensor's design and fabrication process offer a viable solution for harsh environment measurements.
  • This technology demonstrates potential for industrial monitoring and control systems.