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For registration of temperature with high accuracy individual calibration RKTV206 in structure with the oscillator is required (achievable resolution in structure of the oscillator up to 0.05 PPM). Based on the temperature sensing quartz crystal resonators RKT206 the digital medical thermometer, electronic digital and analog controllers and industrial thermometers (accuracy class up to 0.1%) are developed and made.

 

About fource quartz piezoelectric elements

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 This article has been translated using google.translate service.

EPKV-10M is glued with epoxy glue to one side of the electrode on clean and fat-free surface, the central part of the area shall be free (see drawing). After the glue has dried to the pads of the piezoelectric element, if necessary, two wires are soldered. 
Silochuvstvitelnaya characteristic EBL-10M in the free state is practically linear. If the element is glued, the nonlinearity silochuvstvitelnoy characteristics must be determined individually.
In siloperedayuschem device trade weights used differential, ie working couple silochuvstvitelnyh piezo EPKV-10M.
 

 

Below are the oscillator circuit in which to test the piezo silochuvstvitelnyh EPKV-10M.

 

 

Схема подключения силочувствительного пьезоэлемента.

This generator is used to excite a pair of piezoelectric elements silochuvstvitelnyh EBL-10M (ZQ1 and ZQ2).
The output difference frequency Fout = F1 (ZQ1) - F2 (ZQ2).

 

 

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ВЫ НА СТРАНИЦЕ: Тех.поддержка Тех. поддержка Generators and electronic circuitry About fource quartz piezoelectric elements
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