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  2. Soil thermal properties - Wikipedia

    en.wikipedia.org/wiki/Soil_thermal_properties

    The dual probe device is inserted into the soil and a heat pulse is applied and the temperature sensor records the response as a function of time. That is, a heat pulse is sent from the probe across the soil (r) to the sensor. The great benefit of this device is that it measures both thermal diffusivity and volumetric heat capacity.

  3. Heat flux sensor - Wikipedia

    en.wikipedia.org/wiki/Heat_flux_sensor

    Typical heat flux plate, HFP01. This sensor is typically used in the measurement of the thermal resistance of and heat flux on building envelopes (walls, roofs). Also, this sensor type can be dug in to measure soil heat flux. Diameter 80 mm Heat flux sensor mounted on a window. Heat flux sensors can be used like this to determine the R-value or ...

  4. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    A measuring cup, a common instrument used to measure volume. Buoyant weight (solids) Eudiometer, pneumatic trough (gases) Flow measurement devices (liquids) Graduated cylinder (liquids) Measuring cup (grained solids, liquids) Overflow trough (solids) Pipette (liquids) If the mass density of a solid is known, weighing allows to calculate the volume.

  5. How to measure heat correctly, according to scientists, and ...

    www.aol.com/measure-heat-correctly-according...

    In the sun, in the shade, on a rock, in a glade. For every different way there is to experience heat — in the sun, in the shade, on a rock, in a glade — there is a scientific debate about how ...

  6. Thermodynamic instruments - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_instruments

    An ideal gas barometer may be constructed by mechanically connecting an ideal gas to the system being measured, while thermally insulating it. The volume will then measure pressure, by the ideal gas equation P = NkT/V. Calorimeter – a device which measures the heat energy added to a system. [4]

  7. Hygrometer - Wikipedia

    en.wikipedia.org/wiki/Hygrometer

    Modern electronic devices use the temperature of condensation (called the dew point), or they sense changes in electrical capacitance or resistance. The maximum amount of water vapor that can be present in a given volume of air varies greatly by temperature; cold air can contain a lower mass of water per unit volume than hot air. Thus a change ...

  8. Thermopile laser sensor - Wikipedia

    en.wikipedia.org/wiki/Thermopile_laser_sensor

    Figure 2: [8] Working principle of a thermal laser sensor (Adapted from figure 3 with permission) As shown in Fig 2, a thermopile laser sensor consists of several thermocouples connected in series with one junction type (hot junction at temperature T 1) being exposed to an absorption area and the other junction type (cold junction at temperature T 2) being exposed to a heat sink.

  9. Penetrometer - Wikipedia

    en.wikipedia.org/wiki/Penetrometer

    Scientists also use a penetrometer to measure how much moisture is in soil. Penetrometers are used by space probes such as the Cassini–Huygens probe, to measure the amount of moisture in soil on other planets. [citation needed] Penetrometers are furthermore used in glaciology to measure the strength and nature of materials underlying a ...

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