Changes in Your Barometers Readings Will Predict the Weather! Go To! to view your Barometer Options

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The barometer is the most important weather instrument because it helps you to predict weather changes.

Barometers measure air pressure in “inches of Mercury” or in “millibars”. Air pressure changes normally indicate changes in the weather.

High pressure areas and low pressure areas, called “fronts” basically determine our…


  1. What is workdone by an aneroid barometer in joules ???
    Please show actual data
    For maximum energy which is equal to TW of electricity energy

  2. What is it's actual dimension and volume of Aneroid cell cylinder
    What is displacement in mm maximum and minimum
    What is total energy out put
    How much heat produces by it
    Please tell every minute specification about this modal

  3. Finally, a concise instruction on how to read and initially set my new barometer, thank you!

  4. We know only a meter square area gives 10000 kg or more pressure so can changes this pressure into motion by using gears
    So only a kilometers square can provide millions of kWh of electricity by using gears in a row and we turned many Dynamo for millions KWh of energy

  5. Apparently an aneroid barometer used aboard ship has a much wider range of scale from the one used in this video. In the book,“ Typhoon The Other Enemy “ by Captain C. Raymond Calhoun, who’s ship was in the Dec. 1944 typhoon in the South Pacific, barometric readings aboard ship are taken very seriously being noted and logged hourly. In the book the barometric readings are in inches of mercury ( in Hg ) recorded to an accuracy of two places behind the decimal or hundredths. Furthermore, to span the ranges of pressure changes encountered in typhoon “Cobra” would require a scale ranging from about 25 inHg—32 inHg . I have never seen a barometer with that range but during WW2 it must have been standard equipment aboard US Navy ships.

  6. 4 apr 2020 8:47 am edt:
    1:43 altitude 5,000 feet, is barometer-maximum-operating-altitude
    but 42,000 feet is aircraft-maximum-altitude. aircraft use barometer-altimeter to measure air-pressure then use air-pressure-number to determine flying-height/altitude.

    (1/2'In aircraft, an aneroid barometer measures the atmospheric pressure from a static port outside the aircraft. Air pressure decreases with an increase of altitude—approximately 100 hectopascals per 800 meters or one inch of mercury per 1000 feet near sea level. ' in

    (2/2)'Flights travelling around the world often fly at an average height of 35,000 feet',
    'While there is no official maximum altitude for flying from aviation authorities, aircraft carriers have their own maximum heights that they are capable of flying. Private planes and commercial jets can go up to 42,000 feet, while smaller aircraft often stay around 10,000 feet.''
    in from google (aircraft maximum altitude)]

    10 apr 2020 12:20 pm edt:
    maybe barometer-altimeter for high altitude, has thick-aneroid-waffer.
    barometer-altimeter for low altitude, has thin-aneroid-waffer:
    (1/3) (Ep. 58: How an Altimeter Works | Inner Workings)
    (2/3) (How It works Altimeter)
    (3/3) (how does altimeter work?)
    from youtube-search (how altimeter work)

  7. This was very clarifying, thank you. And that's even though my Sper barometer isn't in inches of mercury or millibars but rather mm or hectopascals. Very annoying.

    I got lucky finding a site that told me 1000 hpa is the same as 1000 millibars. Whew. Plus Sper was good enough to maark the outer ring mm but with 2 digit numbers. So 1000 hpa/1000 millibars is 750 mm of mercury but it reads 75. I didn't realize it was conventional to drop the zero. I felt like a little kid learning to read a clock.

    You made this process much easier.

  8. I live in London and am suffering from a bad sinus headache. Found this video whilst looking for barometer information as drastic changes in pressure can bring on headaches. Have learned so much in such little time. Loved this one as I never even gave it a thought that barometers would need to be calibrated. Makes sense. Am now a subscriber. Cheers Clock Man. ⏰🥂

  9. Solid information.
    I have a vintage old school barometer like what my parents had in their house when I was a kid it was produced in West Germany. My father gave it to me as a gift since he knew I always admire the one at their house when I was growing up as a child. It did not seem like it was reading properly. I was nervous about calibrating it at first but it was actually very simple. I’ve been figured in elevation offset for the area that I live in. This video was very informative and simple to understand. Thank you so very much.

  10. i bought several barometers but they are all different, i want to know what the pressure is at my location. how can i calibrate it accurately? i dont want to go off of others. I want to make mine correct for my location. what do i do?

  11. Cool. Had a few barometers but they didn’t seem to do anything.
    Good to know how to work one before you throw it out. lol. Didn’t know you were supposed to calibrate the darn thing

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