Quartz Thermometers

About the quartz thermometers

The quartz thermometer makes use of the principle that the resonant frequency of a material such as quartz is a function of temperature, thus enabling temperature changes to be translated into frequency changes. The temperature-sensing element consists of a quartz crystal enclosed within a probe (sheath). The crystal is connected electrically so as to form the resonant element within an electronic oscillator. Measurement of the oscillator frequency therefore allows the measured temperature to be calculated.

The instrument has a very linear output characteristic over the temperature range between -40C and +230C. The measurement resolution given is 0.1C. The characteristics of the instrument are generally very stable over long periods of time and therefore only infrequent calibration is necessary.

More Temperature Measurements

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