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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

3.8K
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...
3.8K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

2.0K
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,...
2.0K
Thermometers and Temperature Scales01:22

Thermometers and Temperature Scales

8.1K
Any physical property that depends consistently and reproducibly on temperature can be used as the basis of a thermometer. For example, volume increases with temperature for most substances. This property is the basis for the common alcohol thermometer and the original mercury thermometers. Other properties used to measure temperature include electrical resistance, color, and the emission of infrared radiation.
As many physical properties depend on temperature, the variety of thermometers is...
8.1K
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

13.8K
Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
13.8K
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

1.6K
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...
1.6K
Masonry in Cold and Hot Weather Conditions01:21

Masonry in Cold and Hot Weather Conditions

362
In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
Other key practices include keeping masonry units...
362

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Related Experiment Video

Updated: Mar 9, 2026

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
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Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

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Rugged constant-temperature thermal anemometer.

J Palma1, R Labbé1

  • 1Laboratorio de Turbulencia, Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, Correo 2, Santiago, Chile.

The Review of Scientific Instruments
|January 3, 2017
PubMed
Summary
This summary is machine-generated.

A robust, low-temperature thermal anemometer was developed for measuring outdoor wind speeds and indoor airspeeds. This easily built device accurately captures turbulent fluctuations up to 100 Hz.

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Area of Science:

  • Engineering
  • Physics

Background:

  • Accurate wind speed measurement is crucial for various applications, including meteorology and aerodynamics.
  • Traditional anemometers may have limitations in specific environments or measurement ranges.

Purpose of the Study:

  • To develop and characterize a robust, easily constructible thermal anemometer.
  • To assess its performance for outdoor wind speed and indoor airspeed monitoring.

Main Methods:

  • A constant, low-temperature (approx. 90°C) thermal anemometer probe was designed and built.
  • Performance was evaluated by measuring turbulent fluctuations in varying wind conditions.

Main Results:

  • The anemometer demonstrated capability in measuring turbulent fluctuations up to approximately 100 Hz.
  • Accurate speed readings require independent air temperature measurements due to the probe's constant operating temperature.

Conclusions:

  • The developed thermal anemometer is a viable tool for both outdoor and indoor wind speed measurements.
  • Its ability to capture high-frequency turbulent fluctuations makes it suitable for dynamic airflow analysis.