The sample is measured with respect to water and calibrated at 15oc. Search for digitial specific gravity sensor on that page. Density, specific gravity, brix or concentration of liquid sample can be measured by the da520, da510, da505 or da500 densityspecific gravity meter of resonant. Transfer of product to customers quality assurance, specs of the products, interface cutting, conversion of product to 15 degree, refueling of aircraft, mentioning of the density for each delivery. One button operation provides ease of use and an alternative to manual hydrometer methods. Lowcost meter are ideal for generalpurpose testing meters are simple to usejust dip probe into test liquid, then rinse with clean water after each use.
Auto calibration manual sampling by syringe external output rs232c 1 channel outer dimension wxdxh 275x350x165mm power supply. The reading has taken at two different temperatures and the coefficients of thermal expansion are stored in the screen as there is auto thermal compensation in density meter. Sample contamination due to inadequate probe cleaning between measurements is virtually eliminated. The first type, the absolute gravity meter, measures the magnitude of the entire gravity field. A wide variety of specific gravity measurement options are available to you, there are 233 suppliers who sells specific gravity measurement on, mainly located in asia. The k2 calibration factor, displayed in exponential format c. Compared to the gimbal type of gravity meter, it is simpler to operate. The automated kem da645 densitometer offers builtin thermal control for fast, reliable density and specific gravity measurements with 4. Manivannan and palanichamy instruments for monitoring the specific gravity of electrolyte in lead acid storage batteries 3. This educational video highlights how a micro motion sgm meter directly measures gas specific gravity with an accuracy up to 0. Nasa icebridge cmg 1a dynamic gravity meter timetagged l1b vertical accelerations data for 2012 antarctica are now available from nsidc. Absolute and relative gravity observations will be performed in accordance with the ngs operations handbook, as defined in gravity surveys, section 2. Read this instruction manual before using the portable density meter dma. For documentation, and to access the data, see the icebridge cmg 1a dynamic gravity meter l1b data catalog page.
Gmbh confirms that the instrument conforms with all documents. Compare prices on specific gravity meter shop best value. The device consists essentially of a weighted, sealed, longnecked glass bulb that is immersed in the liquid being. At the core of this sensor is a resonating silicon. Applications include beverages, foods, petroleum, pharmaceutical, alcoholic beverages, and more. To draw in a sample, simply press the lever at the top of the meter with your thumb. Density is a physical characteristic, or property, of matter. It is a three spring device employing a pretension of zerolength mainspring to produce the necessary sensitivity. One such procedure for doing this involves taking a sample from the production process and measuring its specific gravity density with a hydrometer. Gas specific gravity meter measures with accuracy of 0. Density specific gravity meter labec densityspecific gravity meter has a builtin thermostat to enable stable temperature control and densityspecific gravity is measured quickly and precisely.
If you consult the chart, at the desired level of 1. Elco, the project lead, says hes managed to compensate for drift which is one of the big problems with continual sampling against a load cell. Online measurement of specific gravity for accurate and. Applications include beverages, foods, petroleum, pharmaceutical, alcoholic beverages and more. Micro motion gas specific gravity meters sgm emerson. Da640 densityspecific gravity meter cannon instrument. The second type, the relative gravity meter, measures the difference in gravity between two locations. Specific gravity is the ratio of mass of a volume of a liquid at 60f to the mass of an equal volume of pure water at the same temperature, i. The stabilized platform gravity meter has been tested at sea. Specific gravity meters mettler toledo handheld density meter densito mettler toledo handheld density meter densito is made for use in the lab and onthego. The top countries of suppliers are india, china, and hong kong s.
The 3098 specific gravity meter adopts a combination of these two methods, where, by measuring the density of the gas under controlled conditions, the value of density obtained is directly related to the molecular weight of the gas, and thus to its specific gravity. Measuring method natural oscillation type measurement object liquid sample test materials range 0. Digital specific gravity meter at thomas scientific. Application of specific gravity in flow measurement specific gravity values are primarily used in the orifice meter flow correction calculations and for custody transfer. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to the use of cookies.
Specific gravity meters density meters fisher scientific. Hydrometer, device for measuring some characteristics of a liquid, such as its density weight per unit volume or specific gravity weight per unit volume compared with water. In the food industry, the control of concentrations on the production line is critical to product quality, determining, among other things, how good the food tastes. Height difference 2 m height difference 2 m specific gravity of oil s 0. Pdf a new product for measuring fluid density andor specific gravity has been developed. D155 densityspecific gravity meter cannon instrument. Introduction lacoste and romberg has recently completed and tested a stabilized platform shipboard or airplane gravity meter. Da645 densityspecific gravity meter cannon instrument. Liquid specific gravity can be also measured with a sinker except for elb series.
Density and specific gravity instruments applications. Although the acceleration of gravity is a vector quantity that is, it has a magnitude and a direction. Density and specific gravity of animal and vegetable fats and oils. Hydrometer basics for home brewing and wine making. A wide variety of specific gravity meter options are available to you, such as universal testing machine, plastic testing machine, and auto testing. Anton paars density meters have been innovating the market since the initial. Enjoy exclusive discounts and free global delivery on specific gravity meter at aliexpress. Density specific gravity meters that also produces. A portable density meter can be auto calibrated with water at different temperatures. The resulting frequency is measured and used to calculate the density.
Densityspecific gravity meter kem is the only manufacturer of densityspecific gravity meters that also produces standard liquids. Measure density, alcohol, acids, specific gravity and more. The fundamental orifice flow equation is a mass flow calculation based upon the physical laws of conservation of energy and mass. Using the gravimeter and measuring the freeair effect. Laboratory density and concentration meters anton paar gmbh. When reporting results of specific gravity, it is specific gravity 60 60f. Specific gravity, also referred to as relative density, is used to relate the weight or density of liquids to that of water. Density is defined as the ratio of mass grams to a unit volume cm3 of matter.
Dma 35 portable densityspecific gravity concentration meter. Combined form hydrometers that have a thermometer built into the body or. Digital density meters often use oscillation tube technology for rapid measurements. Densityspecific gravity meter concentration meter kyoto.
English installation manual and english configuration manual. The compact model features fast response and continuous, high accuracy measurements to 0. Kems original density standard liquid guarantees high quality and reliability. Details are sketchy at present, but its based on measuring boyancy force with a load cell. Hydrometers for specific gravity from davis instruments. A density meter provides a way to measure the gravity of substances. At the same time, he was enrolled as a graduate student in the stanford school of education, earning first an m. Sarasota sg901 formerly sg900 specific gravity analyzer. Buy high quality and affordable specific gravity meter via sales. Select from multiple units of measure to suit your measurement needs or create custom userdefinied requirements. Sunil garg, operations group, handling petroleum produt storage and distribution.
Specific gravity is a comparison ratio between the density of a particular substance and the density of a reference substance. The sample is injected into a ushaped glass tube, which is then oscillated. Meter features a pipettestyle pump for good sample flow control no bellows or bulb to rupture and leak. New nasa cmg 1a dynamic gravity meter l1b data the drift. G r thomas, c t okonski and c d hurd, anal chem, 22 1950 h ikeda, t shirogami. The only visible difference between the two is that the colors are not as bright and saturated in the standardquality version, but it will download in less time for people with lowspeed. View density, specific gravity, % concentration, or sample temperature. Gas specific gravity and molecular weight measurement accuracy up to 0. Software for specific gravity measurement is preinstalled to ap series, atr series, au series, up series, uwux series, and elb series. Density and specific gravity midstate technical college. Specific gravity is the standard scale for what a hydrometer measures, choose plain or combined forms.
These meters can be calibrated to directly measure specific gravity, molecular weight. Measure the density, pressure and temperature of dry and wet gases with the thermo scientific sarasota sg901 formerly sg900 specific gravity analyzer, a selfcontained bypass sample conditioner. Worden gravity meters a general overview the worden gravity meter is based on an elastic system constructed of quartz. Dma density meters are at work all around the world. Plain form hydrometers do not have a builtin thermometer. Specific gravity is a unitless measurement that is derived as a ratio of either the weight of another liquid or the density of another liquid divided by the weight or density of water. A hydrometers offer a simple, yet accurate way to measure the relative density or specific gravity of most any substance. Since the density of the reference substance will vary depending on its temperature, the specific gravity should also include the temperature of the reference media. Marine gravity meter kss 32 m sensor information system. Both pdf files are compatible with adobe acrobat 4. Using the gravimeter and measuring the freeair effect due tue, january 26 the purpose of this lab is to learn the proper use of our gravimeters, to get a feel for their accuracy, and to make our own estimate of the effects of elevation on gravity measurements. Pdf a densityspecific gravity meter based on silicon microtube. Write a protocol and keep it with the files for the gravity meter. The eagle eye sgultra digital hydrometerdensity meter offers 99.
Order one of the balances and the corresponding smk specific gravity measurement kit. View of the 3098 specific gravity meter installed in a typical enclosure. If the manometric liquid in the limb connecting the water pipe is 2 m higher than the other find the pressure difference in two pipes. With highquality components and a measuring cell design that minimizes the influence of external mechanical vibrations, the easyplus digital density meter is built to withstand rough environments and deliver. At each airport an absolute gravity measurement will be performed on the tarmac directly under the eventual tags gravimeter location in the airplane. Specific gravity or relative density is the sample density compared to a reference substance.
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