thermograph"A self-recording thermometer. The thermometric element is most commonly either a bimetal strip or a Bourdon tube filled with a liquid.
THERMOGRAPH Essentially, a self-recording thermometer. A thermometer that continuously records the temperature on a chart.
Thermograph An instrument that measures and records air temperature.
Thermometer An instrument for measuring temperature.
THERMOGRAPH: Thermometer used to give a graphic record of the time variations of temperature.
THERMOMETER: Instrument used in the measurement of temperature. ...
Thermograph A recording instrument that gives a continuous trace of temperature with time.
Thermometer An instrument used to measure temperature.
thermograph—A continuous-recording thermometer.
thermometer—An instrument for measuring temperature.
theodolite—An optical instrument which, in meteorology, is used principally to observe the motion of a pilot balloon.
hygrothermograph
A recording instrument that consists of a recording hygrometer (or hygrograph) and a recording thermometer (or thermograph ), ...
BATHYTHERMOGRAPH A device used to obtain a record of temperature against depth (pressure) in the ocean. May be referred to as a B.T.
Hygrothermograph An instrument resulting from the combination of a thermograph and a hygrograph and furnishing, on the same chart, simultaneous time recording of ambient temperature and humidity.
Expendable Bathythermograph
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Browse Related Terms: CFC, Chlorofluorocarbons, Volcanic Ash
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Picture of a "Hygrothermograph" for measuring the wet & dry bulb temperature to determine the relative humidity..
XBT: Abbreviation for expendable bathythermograph.
X-Rays: Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation.
The true daily mean, obtained from a thermograph, is approximated by the mean of 24 hourly readings and may differ by 1.0 degrees C from the average based on minimum and maximum readings. [2]
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In general, an unmeasurable (less than 0.01 in.) quantity of precipitation. 2. An insignificantly small quantity. 3. The record made by any self-registering instrument. Thus, one may speak of the barograph trace, the hygrothermograph trace, etc.
strips of metal welded together and that have widely different coefficients of thermal expansion. When temperature changes, the two metals expand or contract unequally and cause changes in the curvature of the element. Commonly used in thermographs.
a uniform environment in relation to the air outside. The Stevenson screen is usually designed to hold various instruments including thermometers (ordinary, maximum and minimum), a hygrometer, a dewcell, a psychrometer, a barometer and a thermograph.
Of particular interest is the inexpensive instrument screen for self-assembly and a nice range of recording instruments in attractive mountings, including barographs and thermographs.
7. Is there a free leaflet/brochure available?
 See also: Temperature, Air, Weather, Water, Surface
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