thermometer

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thermometer

 [ther-mom´ĕ-ter]
an instrument for determining temperatures, in principle making use of a substance (such as alcohol or mercury) with a physical property that varies with temperature and is susceptible of measurement on some defined scale.
Temperatures on Celsius and Fahrenheit thermometers related to temperature ranges. From Elkin et al., 2000.
axilla thermometer a clinical thermometer that is placed in the axilla.
Celsius thermometer one that uses the Celsius scale.
centigrade thermometer one having the interval between two established reference points divided into 100 equal units, such as the Celsius thermometer.
clinical thermometer one used to determine the temperature of the human body.
electronic thermometer a clinical thermometer that uses a sensor based on thermistors, solid-state electronic devices whose electrical characteristics change with temperature. The reading is recorded within seconds, some having a red light or other device to indicate when maximum temperature is reached. Available models include hand-held, desk-top, and wall-mounted units, all having probes that are inserted orally or rectally.
Fahrenheit thermometer one that uses the Fahrenheit scale.
Kelvin thermometer one that uses the Kelvin scale.
oral thermometer a clinical thermometer whose mercury containing bulb is placed under the tongue.
recording thermometer a temperature-sensitive instrument by which the temperature to which it is exposed is continuously recorded.
rectal thermometer a clinical thermometer that is inserted in the rectum.
resistance thermometer one that uses the electric resistance of metals (thermocouple) to determine temperature.
self-registering thermometer
2. one that registers the maximum or minimum temperature attained in the measurement.
tympanic thermometer an electronic clinical thermometer that gives a digital reading in less than two seconds. Second-generation tympanic thermometers work by monitoring the temperature when the ear opening is sealed.

ther·mom·e·ter

(ther-mom'ĕ-tĕr),
An instrument for indicating the temperature of any substance; often a sealed vacuum tube containing mercury, which expands with heat and contracts with cold, its level accordingly rising or falling in the tube, with the exact degree of variation of level being indicated by a scale, or, more recently, a device with an electronic sensor that displays the temperature without the use of mercury.
See also: scale.
[thermo- + G. metron, measure]

thermometer

(thər-mŏm′ĭ-tər)
n.
An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury or colored alcohol, that expands and rises in the tube as the temperature increases.

ther·mom·e·ter

(thĕr-mom'ĕ-tĕr)
An instrument for indicating the temperature of any substance; formerly a sealed vacuum tube containing mercury, which expands with heat and contracts with cold, its level accordingly rising or falling in the tube, with the exact degree of variation of level being indicated by a scale, but increasingly a digital apparatus.
See also: scale
[thermo- + G. metron, measure]

thermometer

A device for registering body temperature. Thermometers may be analogue, as in the case of the common mercury expansion thermometer or colour-change devices, or may have a digital display.

ther·mom·e·ter

(thĕr-mom'ĕ-tĕr)
An instrument for indicating temperature of any substance; often sealed vacuum tube containing mercury, which expands with heat and contracts with cold, its level accordingly rising or falling in the tube, with exact degree of variation of level being indicated by a scale, or, today, a device with an electronic sensor that displays temperature without use of mercury.
[thermo- + G. metron, measure]
References in periodicals archive ?
The increasing development of innovative advancements in the design of temperature sensors is likely to be a major driver for the global temperature sensors market over the forecast period.
Xiao, "A cheap and practical FBG temperature sensor utilizing a long-period grating in a photonic crystal fiber," Optics Communications, vol.
The elliptical PhC is placed instead of the circular PhC to enhance the sensitivity of temperature sensor. In the case of circular PhC major and minor radii are equals, and for elliptical type, the major radius is differed from minor radius due to that two modes are existed.
(2.) AN-460 LM34/LM35 Precision Monolithic Temperature Sensors, Texas Instruments, Application Report SN0A748C, May 2013.
IndustryARC finds the market for Temperature sensors to be a very promising one in the near future.
TEHRAN (FNA)- Researchers developed a new laser-writing technique that embeds smartphone display glass with layer-upon-layer of see-through sensors -- enabling applications like temperature sensors and biomedical monitors to be manufactured directly into the display.
The temperature sensor is calibrated for materials characterized by approximately the same properties as a black body.
Temperature sensors have proved to be a strong initial market for PS7".
This demands excellent long-term (over a year) stability from the microhotplate temperature sensor. Barrettino et al.
where [T.sub.db] is the dry-bulb temperature, [[bar.h].sub.D] is the average mass transfer coefficient, [bar.h] is the average heat transfer coefficient, [c.sub.v,wb] and [c.sub.[infinity]] are the concentrations of water vapor at the wet-bulb temperature sensor and in the free stream air, respectively, and [DELTA][h.sub.vap] is the latent heat of vaporization for water.
* The algorithm should use only the data generated by the temperature sensor being identified and not depend on other known or unknown temperature sensor outputs or outputs from other sensor types (humidity, pressure, flow, etc.).
A CMOS Smart Temperature Sensor With a 3[sigma] Inaccuracy of [+ or -]0.5[degrees]C from 50[degrees]C to 120[degrees]C // IEEE Journal of solid-state circuits, 2005.--Vol.

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