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Specific Gravity
is the ratio of a substance's density relative to a reference substance.
See Also: Gravity, Hydrometers, Refractometers
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Specific Gravity
Specific gravity is determined by taking a sample of known size, weighing it in air, then weighing it in a predefined test solution of a precise density, and then calculating the difference. The resultant is the specific gravity.
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Density & Specific Gravity
To maintain consistency of a coating, the Density should remain constant from batch to batch. Density Cups, also known as Specific Gravity Cups or Picnometers, are used to determine the mass per unit volume (Specific Gravity) of a liquid at a given temperature. Specific Gravity is defined as the ratio of the density of a given substance to the density of water, when both are at the same temperature. As the Specific Gravity Cup is an exact measurement of the volume of the liquid, it is imperative that the exact weight of the sample is obtained.
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Specific Gravity Tester
LD-LSGT-A10
Specific Gravity Tester LD-LSGT-A10 determines the theoretical maximum specific gravity of bituminous mixtures in accordance to ASTM D2041 Standard Test Method for Theoretical Maximum Specific Gravity of Bituminous Mixtures (Vacuum process). Adopted with single chip machine technology to shake a loose asphalt mixture sample submerged in water. Vacuum is applied into the sample, to extract out the air bubble.
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Specific Gravity Tester
Densimeter
Specific Gravity Tester - Densimeter - Qualitest offers extensive range of advanced Density testing equipment such as different types of Densimeters for measuring solid and liquid specific gravity.
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Density / Specific Gravity Meter
Equipped with sampling and dry pumpMeasuring Range:±0 – 3 g/cm3Temp Range:±0 – 96℃ (32 – 204.8°F)
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Specific Gravity Measurement Kit
Simple specific gravity meters based on precision balances. Combination of Shimadzu balance and SMK Specific Gravity Measurement Kit makes handy specific gravity measuring equipment for solid samples.
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Battery Acid Refractometer – Sulfuric Acid Specific Gravity
H2SO4
Measure battery acid safer and more precisely. The MISCO Palm Abbe digital refractometer eliminates bringing acid up to your eye – a risk associated with analog/shadow line models. This refractometer has a single scale for sulfuric acid specific gravity.
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Density/Specific Gravity Meter
D155
For Measuring Density, Specific Gravity and API DegreesASTM D1250, ASTM D1298, ASTM D4052, ASTM D7777. The automated CANNON D155 offers a low-cost, affordable alternative to manual hydrometer methods for measuring density and specific gravity with easy, one button operation. Built-in thermal control provides quick, precise measurement with 4 decimal resolution.
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Battery Supervisors
DV Power manufactures ideal tools for maintenance, troubleshooting and performance tests on stationary batteries.Capacity testing is performed in order to detect which cells in the string should be replaced by measuring a cell voltage, temperature, inter-cell connection voltage, and specific gravity.IEEE standards for stationary battery applications also stipulate measuring these key parameters during periodic battery inspections.DV Power provides two types of instruments:BVS series – for automated monitoring of battery parametersBVR series – for manual monitoring of battery parametersIn contrast to BVS, BVR instruments can be used for the transfer of electrolyte specific gravity measurements from a density meter (DMA35) via Bluetooth. This provides a more extensive analysis of each cell in the tested battery string.
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Battery Voltage Recorder
BVR Series
Battery voltage recorders from BVR series are designed to serve as a support tool for cell voltage measurement during battery capacity testing.During capacity testing, cell voltage, temperature, inter-cell connection voltage, and specific gravity should be measured in order to determine failling cells in the string that should be replaced.Furthermore, IEEE standards for stationary batteries applications stipulate periodical measurement of overall string voltage, as well as cell voltage and temperature.The BVR Series is the perfect tool for that purpose. All measurements are automatically saved in device’s internal memory. Additionally, DV-B Win software helps the user to download all measured results. Furthermore, the user can create test reports and export them to various formats.BVR series includes two models: BVR11 and BVR22. These are rechargeable handheld devices intended for performing monthly battery inspections and support tools during capacity testing. The list of the applications of these instruments includes:Efficient supplement to BLU series of battery load units during battery discharge testingMonthly inspections of large battery banksAmbient temperature measurementCurrent measurement using current clampsUSB and Bluetooth communication with PCSimultaneous string voltage and current measurement to analyze a discharge test processThe BVR22 model provides Bluetooth communication with an external density meter, for transferring electrolyte specific gravity and temperature readings.
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Beer Refractometer
PA202X-801-802
Dual scale Digital Beer Refractometer for measuring °Plato or Specific Gravity (D 20/20) of wort. These beer scales are temperature compensated specifically for wort.
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Beer Refractometer
PA202X-799-803
Dual scale Digital Beer Refractometer for measuring Brix or Specific Gravity (D 60/60) of wort. These beer scales are temperature compensated specifically for wort.
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Beer Refractometer
PA203X-009-800-801-802-804
Multi-scale Digital Beer Refractometer for measuring Plato, Dissolved Solids, Specific Gravity D20/20, Brewer’s Points, and Propylene Glycol Freeze Point °C.
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Beer Refractometer
PA203X-009-800-802
Multi-scale Digital Beer Refractometer for measuring the Dissolved Solids, Specific Gravity of wort, and propylene glycol antifreeze. This refractometer will give you a much more accurate indication of true total sugar content of wort, as opposed to an estimate from a sucrose-based Brix refractometer. These beer scales are automatically temperature compensated specifically for wort. The propylene glycol scale is ideal for propylene glycol antifreeze in wort coolers and chiller systems.
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Beer Refractometer
PA203X-008-800-802
Multi-scale Digital Beer Refractometer for measuring the Dissolved Solids, Specific Gravity of wort, and propylene glycol antifreeze. This refractometer will give you a much more accurate indication of true total sugar content of wort, as opposed to an estimate from a sucrose-based Brix refractometer. These beer scales are automatically temperature compensated specifically for wort. The propylene glycol scale is ideal for propylene glycol antifreeze in wort coolers and chiller systems.
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Beer Refractometer
PA202X-800-802
Dual scale Digital Beer Refractometer for measuring the Dissolved Solids or Specific Gravity of wort. This refractometer will give you a much more accurate indication of true total sugar content of wort, as opposed to an estimate from a sucrose-based Brix refractometer. These beer scales are automatically temperature compensated specifically for wort.
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Clinical Protein Refractometer
RHC
Fuzhou Zhongtuo Optoelectronic Co.,Ltd
The RHC series are designed for measuring the serum proteins and specific gravity of urine.
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Densimeter
H-300 S
Hildebrand Prüf- und Meßtechnik GmbH
The Hildebrand Densimeter Model H-300 S is a cost efficient instrument for calculating the specific gravity with a superior resolution of 0.001. The system is suitable for checking plastics, rubber, films, liquids, sintered metals, ceramics, glass and other non-metal materials. The value is displayed automatically after the elapsed time.
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Density
The density of paint will depend on their ingredients in the paint. Density is also known as specific gravity or mass per unit volume.The more ingredients/particles in paint the more mass per unit of volume. This is called density (S.G) can be written as g/cm3. The reference substance for liquids is nearly always water. It is important to specify temperature for both the sample and reference. To find the density of a paint you need to establish the weight of the product. For these several instruments are available, pyknometers, immersion bodies, densimeters and weighing scales.
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Density Cup
1800
The Elcometer 1800 Density Cup is a stainless steel precision cup for determining the specific gravity or density of paints and similar products.
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Digital Hydrometer / Density Meters
SG-Series
Eagle Eye offers multiple digital hydrometers that measure and record specific gravity (SG) of vented lead acid (VLA) and NiCad utility batteries. Use specific gravity measurements as a battery state of charge indicator to have an overall understanding of battery health. NERC PRC-005-2 requires inspection of electrolyte level every 4 months.
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Digital Hydrometers / Density Meters
SBS introduced the first digital battery hydrometer to the U.S. stationary battery market back in 1988. For the past 25 years, SBS has sold and serviced thousands of hydrometers and continues to provide the newest technologies in battery maintenance equipment today.Hydrometers (density meters) measure the specific gravity of a battery’s electrolyte. Based on the specific gravity, the user can determine the state of charge of the battery. Retaining these hydrometer readings and data over time is recommended by IEEE as part of any Battery Maintenance Program.
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Disc-Type Battery Tester
117
Thexton Manufacturing Company, Inc.
Full size tester uses specific gravity and the number of floating discs to show state of charge.
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Dynatrol® Density Cells
CL-10HY
The Dynatrol® CL-10HY Density Systems achieve exceptional accuracy over a wide range of process changes in ambient temperature, pressure, viscosity or flow. Our systems are designed for density measurement in familiar units like specific gravity, API gravity, Baumé, BRIX°, as well as being able to measure the percent solids or percent concentration of a liquid or slurry.
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Dynatrol® Digital Density Converters
Series 2000
For increased speed and accuracy, use the Series 2000 Digital Converters with all Dynatrol® Density Cells. Microcontroller technology measures to meet your needs: Density, Specific Gravity, °Brix, Baumé, API Gravity, Percent Solids, Percent Concentration, °Twaddle of liquids and slurries.
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Ethylene Glycol (EG) Anti-Freeze Tester
101
Thexton Manufacturing Company, Inc.
Original ball-type, specific gravity tester. Accurate to -34° F., indicating 50/50 mix.
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Gas Gravitometers
Gas gravitometers provide a simple, reliable method of measuring the specific gravity of a gas or analysis of the composition of the process gas when specific gravity can be correlated to composition.
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Honey Refractometer, Honey Scales
BKPR-4
With scales for Honey Moisture, Honey Percent Solids, Honey Specific Gravity, and Honey Density, the MISCO BKPR-4 Digital Honey Refractometer is ready for use by government honey inspectors, professional beekeepers, honey producers, honey mixers, honey brokers, or anyone requiring the absolute most accurate, repeatable honey measurements.
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Human Urine Refractometer
PA202X-093-095
Refractometers have been proven time and time again to be more accurate than hydrometers or reagent test strips for testing urine specific gravity. The Palm Abbe is fast, convenient, and easy to use. Simply place a drop or two of urine in the stainless-steel sample well, press a button, and instantly read urine specific gravity or urine total solids on the large LCD display.
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Hydrometer
DMA-35
Explorer Technology Group (ETG)
Reads specific gravity and temperature. Package includes; a custom carry case, operating instructions and a 6 month limited warranty. The DMA-35n will be configured to read the specific gravity of battery acid at 77F/77F compensation and fluid temperature in degrees Fahrenheit as standard.
