Oxygen cylinder guidance formula for determining time to run a cylinder at a set flow rate. These conversion tables are provided for your reference. These two unique lines have saved our customers tens of thousands of dollars in replacement gauges and labor costs since we introduced them to the midatlantic area. Prefix symbol multiplying factor exa e 1018 1 000 000 000 000 000 000 peta p 1015 1 000. Free online pressure conversion calculator converting between 52 pressure units,including pascal pa,kilopascal kpa,bar,psi psi,ksi ksi. More generally, if desired, one can eliminate powers of 10 that appear in converted values as a result of using the conversion factors or simply factors for brevity of secs. Metric system conversion factors 6 to convert multiply by to obtain kilogramshectare kgha 0. Conversion factors used for specialty gases, industrial gases and gas handling equipment including atmospheres, centimeters of mercury, feet of water, inches of mercury, inches of water, kilograms per square centimeter, kilov m i o ziie. Conversion factors volume of compressed gas in a cylinder to find the volume of gas available from a compressed gas cylinder, we apply the ideal gas law pv nrt. In a highpressure cylinder, the volume will be affected by the contents compressibility factor z pv znrt. Pressure sensors conversion factors honeywell1sensing and control118005376945 usa1f18152356847 international118007373360 canada125 reference and application data conversion factors converting to psi 1in. Table 10 high pressure units table 11 low pressure units table 12 speed units table torque units table 14 dynamic viscosity units table 15 kinematic viscosity units. Because of difference in temperature, air pressure also varies immensely. Fundamentals of pressure and temperature measurement.
Oilfield conversion factors energy news for the canadian. Unit conversion factors quantity equivalent values mass 1 kg g 0. Air is a composition of various gases therefore it. Temperature and air pressure cause expansion and shrinking of air which further results into distribution of heat and moisture in the atmosphere. Measurement is the most important aspect of our life. Description of units mechanical, electric, magnetic 4 iii. The basic theories on pressure and temperature compensation were. Pressure the amount of force that is applied to an area where the force is distributed.
The pressure units in the pressure converter atmosphere atm, standard, atmosphere technical, attobar, attopascal, bar, barad, barye, centimeter of mercury 0c, centimeter of water 4c, centibar, centipascal, centipascal, centitorr, decibar, decipascal, dekabar, dekapascal, dynesquare. In the following tables, a number in bold and blue indicates an exact conversion value length. Units and conversion factors table of contents section page references 3 i. Pressure unit conversion table atm ata kgcm2 torr mm hg in hg 32. Pressure swipe to the right for more table information lb in. Miscellaneous glossary safety standard threads trademarks volume frits volume tubing warranty. Jun 17, 2019 therefore, the exact relationship of btu to joules and other energy units depends on the temperature at which btu is measured. Pressure conversion from the user, a value for atmospheric pressure pis given to be converted to different pressure units. Many are uncommon but have specific uses for certain situations. From the user, a value for atmospheric pressure is given to be converted to different. Dimensions and units for physical quantities mksq system 6,7 a. Pressure unit conversion measurement conversion jz.
To convert between inches of mercury inhgand millimeters of mercury mmhgor torr, use the formulas below. At this temperature, the conversion factor is the one provided in this table. The unit atmosphere refers to the pressure exerted by the gases in our. Oxygen cylinder guidance virginia department of health. Ultra measure master most complete, easytouse metric conversion calculator. Multiply the pressure value expressed in torr by this conversion factor to obtain the corresponding pressure value in mbar units. We use measurement in science, engineering, business trading, personal life, education, and more other fields. Base pressure pb is commonly stated in our gas contracts. The process of conversion depends on the specific situation and the intended purpose. Convert between many different pressure equivalents. Conversion table of commonly used pressure units wika polska. Conversion factors are provided as a reference only. The most frequently used pressure units are pascal pa, kilopascal kpa, megapascal mpa, psi pound per square inch, torr mmhg, atm atmospheric pressure and bar.
Units that include length, like millimeters of mercury refer to the pressure exerted by a column of the liquid of that height. Common chemical conversion factors length volume mass pressure energy 12 inches 1 foot 8 ounces 1 cup 16 ounces 1 pound 3 feet 1 yard 32 ounces 1 quart 2000 pounds 1 ton 14. Pressure units conversion convert pascal, kpa, mpa, bar. Pressure units and conversions chemistry for nonmajors. Area natural gas liquid volume density power energy petroleum specific gravity force pressure heating values pipe pressure length speed mass. Start on the left side of the table and move down vertically until you reach the row labeled torr. Pressure conversion factors table this table shows the factors for doing various pressure conversions.
Conversion factors for pressure units srs home page. To find the volume of gas available from a compressed gas cylinder, we apply the ideal gas law pv nrt. A pressure of 1 pa is small, which approximately equals the pressure exerted by a dollar bill resting flat on a table. Use conversion factors from the equivalent pressure units to convert from mmhg to atm and from mmhg to kpa. Pressure conversion calculator how to convert pressure units.
The air pressure is about 80% that of standard atmospheric pressure at sea level. The atmospheric pressure in a mountainous location is measured to be 6 mmhg. Where p is equal to pressure, f is the normal force and a is area. Start at column heading with units to convert from. Pressure conversion chart psi kpa mpa bar kgfcm2 kgcm2 mmhg mmh 2o inhg inh 2o 2,500 17237. Pressure conversion factors for compressed gases from air liquide. In our daily lives, the kilopascals 1 kpa pa is widely used. Discussion of pressure measurement and commonly used units. Our early alliances included the mcdaniel and permacal lines of pressure gauges. Pressure vacuum conversion factors multiply by to obtain multiply by to obtain at 0. Conversion tables general conversion factors length pressure temperature. Pressure conversion factors restek reference chart. Instrument used to measure air pressure is known as barometer. Toolbox download our oilfield conversion factors pdf download important disclaimer.
Units like pounds per square inch give the units used for force and area. An atmosphere atm equals to the air pressure at the sea level at a temperature of 15 celsius. As technology is growing day by day so we need a highly accurate and easy convenient global measuring system in each and every field. These can be important factors when calculating your payback for a natural gas conversion. Pressure units and conversion factors pressure is force per unit area.
Consulting with a licensed contractor or plumber is also recommended to homeowners when it comes to installing house lines or new appliances. Therefore, the exact relationship of btu to joules and other energy units depends on the temperature at which btu is measured. Chemistry conversion factors and constants metric conversion factors prefix abbreviation conversion factor for example for example mega m 000 10 6 1 megabyte 1 x 10 bytes 1 byte 106 megabytes kilo k 10 3 1 kilometer meters 1 meter 0. Fundamentals of pressure and temperature measurement jeff goetzman centerpoint energy. Time master ii time calculator for pilots, accounting, broadcasting. Pressure conversion factors for compressed gases from air liquide author. Our phymetrix series of dewpoint analzers, our delta instruments fuji brand combustion analyzers, beko condensate drain valves, and hart scientific.
To convert between inches of mercury and millimeters of. Pressure conversion factors for compressed gases from air. Pressure conversion converter converts pascalpa, kilopascalkpa, bar, psi, ksi, epa, petapascalppa, gigapascalgpa, megapascalmpa etc with formula. Natural gas conversions natural gas conversions formula. Produced by the national renewable energy laboratory nrel nrel is a national laboratory of the u. Department of energy, office of energy efficiency and renewable energy. This may be governed by regulation, contract, technical specifications or other published standards. Length weight volume temperature area pressure energy power force time speed degree fuel consumption data storage. Distribution of temperature is not similar at all the places on the earth.
Move across this row to the column with units heading you are converting to. Pressure is a scalar quality reflecting how force acts on a surface. Since pressure is derived from force and area, many units for pressure directly relate force to area. Move horizontally to the right along that row until you reach the torrtombar conversion factor at the intersection with the mbar column. What are some conversion factors of pressure answers. Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Steps for calculating savings and estimated payback time frame are on the back. High pressure units bar poundsquare inch kilopascal kilogram megapascal force centimeter square millimeter of mercury atmospheres bar psi kpa 2mpa kgfcm mm hg atm 1 14.
The metric system unit used to describe pressure is the pascal pa which translates to newtons per square meter. A table of conversion factors between common length units is provided below. Torrtombar conversion factor at the intersection with the mbar column. Gentry weights and measures division carol hockert, chief weights and measures division technology services national institute of standards and technology may 2006 u. Part 3 of this standard defines amongst other things conversion factors for the following units conventional millimetre of mercury mmhg conventional metre of. Dimensions of esu and emu electric and magnetic quantities 5 v. To convert between inches of mercury inhgand millimeters of. For significant figure purposes, the standard pressure of 760 mmhg has three significant figures. Pressure conversion factors to convert from the unit in the first column to the unit in the second, multiply by the conversion factor in the third column. Its the pressure that we have agreed to base all purchases and sales on for the contract area. Unit conversion is a multistep process that involves multiplication or division by a numerical factor, selection of the correct number of significant digits, and rounding. Pressure sensors conversion factors honeywell1micro switch sensing and control 118005376945 usa 1f18152356847 international 118007373360 canada 125.
For example, an al cylinder of pure helium may contain. This multistep process is presented in nist sp 1038 2006 section 4. Atmospheric pressure we will use is the standard atmospheric pressure for the region. Hydrogen conversion factors and facts card revised keywords.
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