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SU505951A1 - Method for automatic measurement of fluid parameters - Google Patents

Method for automatic measurement of fluid parameters

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Publication number
SU505951A1
SU505951A1 SU1765937A SU1765937A SU505951A1 SU 505951 A1 SU505951 A1 SU 505951A1 SU 1765937 A SU1765937 A SU 1765937A SU 1765937 A SU1765937 A SU 1765937A SU 505951 A1 SU505951 A1 SU 505951A1
Authority
SU
USSR - Soviet Union
Prior art keywords
automatic measurement
fluid parameters
pulses
measured parameter
pulse
Prior art date
Application number
SU1765937A
Other languages
Russian (ru)
Inventor
Владимир Михайлович Пошеманский
Сергей Викторович Скрупский
Original Assignee
Предприятие П/Я Р-6900
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я Р-6900 filed Critical Предприятие П/Я Р-6900
Priority to SU1765937A priority Critical patent/SU505951A1/en
Application granted granted Critical
Publication of SU505951A1 publication Critical patent/SU505951A1/en

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

пой диагонали моста , который усиливаетс  усилителем 3. Усиленный сигнал разбаланса подаетс  на демодул тор 4, в котором он преобразуетс  в напр жение посто нного тока соответствующей пол рности, после чего подаетс  на регул тор скважности 5 генератора пр моугольных импульсов /, измен   рассто ние между импульсами, питающими мост . таким образом, вновь привести его в состо ние равновеси . Поскольку измен етс  рассто ние между импульсами , питающими электрический мост, мен етс  и частота следовани  этих импульсов , что и фиксируетс  .измерителем частоты питани  электрического моста 2.the diagonal of the bridge, which is amplified by amplifier 3. The amplified imbalance signal is fed to demodulator 4, in which it is converted into a DC voltage of the corresponding polarity, and then applied to the duty ratio 5 of the square pulse generator impulses that feed the bridge. thus bringing it back to equilibrium. Since the distance between the pulses feeding the electric bridge varies, the frequency of the following pulses also changes, which is fixed by measuring the power frequency of the electric bridge 2.

Claims (1)

Формула изобретени Invention Formula Способ автоматического измерени  параметров текучих сред путем поддержани  посто ргной температуры омываемого анализируемой средой терморезистора, включенного в плечо измерительного моста с импульсным питанием , о т л и ч а ю щ и и с   , что, с целью получени  линейной зависимости выходного сигнала от измер емого параметра и стабилизации чувствительности в диапазоне изменени , питание измерительного моста осуществл ют импульсами посто нной мощности, а о величине измер емого параметра суд т по частоте следовани  ИМПУЛЬСОВ.A method for automatically measuring parameters of fluids by maintaining a constant temperature of a thermistor washed by the analyzed medium included in the pulse of a measuring bridge with pulse power, which is necessary to obtain a linear dependence of the output signal on the measured parameter and stabilization of sensitivity in the range of variation, the measuring bridge is powered by pulses of constant power, and the value of the measured parameter is judged by the frequency of the pulses.
SU1765937A 1972-03-31 1972-03-31 Method for automatic measurement of fluid parameters SU505951A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1765937A SU505951A1 (en) 1972-03-31 1972-03-31 Method for automatic measurement of fluid parameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1765937A SU505951A1 (en) 1972-03-31 1972-03-31 Method for automatic measurement of fluid parameters

Publications (1)

Publication Number Publication Date
SU505951A1 true SU505951A1 (en) 1976-03-05

Family

ID=20508532

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1765937A SU505951A1 (en) 1972-03-31 1972-03-31 Method for automatic measurement of fluid parameters

Country Status (1)

Country Link
SU (1) SU505951A1 (en)

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