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Related Concept Videos

Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

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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,...
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IR Spectrometers01:25

IR Spectrometers

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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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Temperature Measurement Sites01:14

Temperature Measurement Sites

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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...
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Infrared (IR) Spectroscopy: Overview01:09

Infrared (IR) Spectroscopy: Overview

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When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
Different compounds display unique properties due to their...
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Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

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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...
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Thermometers and Temperature Scales01:22

Thermometers and Temperature Scales

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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...
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Infrared-based temperature measurement in three dimensions.

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    This summary is machine-generated.

    This study presents a low-cost mobile platform for accurate 3D temperature measurement of multiple objects. It achieves a wide temperature range and high precision, even with varying distances.

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    Area of Science:

    • Engineering
    • Instrumentation
    • Thermal Measurement

    Background:

    • Accurate temperature measurement is crucial in various industrial and scientific applications.
    • Existing methods for multi-object temperature sensing in 3D can be costly or lack precision.
    • Mobile platforms offer flexibility but face challenges in maintaining accuracy with distance variations.

    Purpose of the Study:

    • To develop a cost-effective and highly accurate mobile platform for measuring temperatures of multiple objects in 3D space.
    • To address the challenges of distance-dependent errors in thermal imaging.
    • To demonstrate the platform's capability across a wide temperature range and varying working distances.

    Main Methods:

    • Integration of a 3D optical depth sensor with a 2D infrared thermal imager.
    • Development and application of a distance-dependent compensation model.
    • Calibration and testing on a mobile platform for multi-object temperature assessment.

    Main Results:

    • Achieved a wide temperature measurement range exceeding 100.0°C.
    • Realized high accuracy with a low standard deviation of 0.16°C at a 1.0m working distance.
    • Demonstrated accurate temperature readings for objects at different positions and varying working distances.

    Conclusions:

    • The developed mobile platform offers a low-cost, accurate solution for 3D temperature measurement.
    • The distance-dependent compensation model effectively mitigates errors caused by working distance fluctuations.
    • The system is suitable for applications requiring precise multi-object thermal analysis in dynamic environments.