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The Pirani gauge is base on a heating element that is cooled due to the thermal conduction of the measured gas. The heating elements resistance drops as the thermal conduction is increase i.e. more gas results in a drop in resistance. On the other hand less gas results in less conduction increased temperature of the heating element and increased measured resistance. This is a very robust gauge and is suitable for relatively high pressures, down to 10^-4 Torr. Below that you need a different gauge as the low number of gas molecules does not allow any measureable change.
What else can I help you with?
Is 10 gauge steel thicker than 6 gauge?
No, 6 gauge steel is thicker than 10 gauge steel. The gauge number decreases as the thickness of the steel increases, so a lower gauge number indicates a thicker steel.
What is the next size smaller after 16 gauge?
18 gauge is the next smallest from 16 gauge. Size runs from highest number being the smallest gauge to lower numbers being the larger gauge. IE: 18g 16g 14g 12g 10g
Is a18 gauge nose ring diameter smaller than a 19 gauge?
No its bigger. The smaller the gauge the thicker it is
What is ratio of gauge to mil in plastic thickness?
The ratio of gauge to mil in plastic thickness is 1 gauge = 0.1 mil. This means that for every 1 gauge increase, the thickness increases by 0.1 mils.
What are major drawbacks to the use of nuclear power?
Some major drawbacks to the use of nuclear power include the risk of accidents and meltdowns, long-term storage of radioactive waste, high initial costs for plant construction, and the potential for nuclear proliferation if technology falls into the wrong hands.
What is the difference pirani gauge and penning gauge?
pirani guage can measure upto 10^-3 torr pressure but penning guage can measure beyond this
What is the purpose of pirani gauge?
it is used to measure the accurate pressure
When did Marcello Pirani die?
Marcello Pirani died in 1968.
When was Marcello Pirani born?
Marcello Pirani was born in 1880.
What is a pirani gauge?
The Pirani gauge is a robust thermal conductivity gauge used for the measurement of the pressures in vacuum systems. This gauge is used to measure the pressure between 0.5 torr to 10-4 torr.
When did Frederick Pirani die?
Frederick Pirani died on 1926-10-26.
When was Frederick Pirani born?
Frederick Pirani was born on 1858-12-03.
When was Amina Pirani Maggi born?
Amina Pirani Maggi was born on January 15, 1892, in Verona, Veneto, Italy.
When did Amina Pirani Maggi die?
Amina Pirani Maggi died on November 10, 1979, in Rome, Lazio, Italy.
What has the author Mario Pirani written?
Mario Pirani has written: 'Il futuro dell'economia' -- subject(s): Competition, International, Economic forecasting, International Competition
What is the meaning of the surname Pirani?
It comes from the city of Piran in Croatia.
What are the advantages and disadvantages of pirani gauge?
AdvantagesSignificantly better resolution in the range above 100 Torr. [5]The power consumption is drastically reduced compared to continuously operated Pirani gauges.The gauge's thermal influence on the real measurement is lowered considerably due to the low temperature threshold of 80°C and the ramp heating in pulsed mode.The pulsed mode allows for efficient implementation of modern microprocessor technology.It will useful up to 10^-4 torr.Disadvantages Increased calibration effortLonger heat-up phaseIt is not useful at low pressure(below 10^-4torr)
