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how to use a refractometer for glycol

In this case, you need to prepare known samples of the lubricating oil and determine the corresponding Brix values. Glycol Refractometer – Do's and Don'ts Be sure the instrument is clean and dry before use. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Since the reading will be affected by temperature changes, it is best to calibrate at the temperature of the test environment. Glycol Refractometer – Do’s and Don’ts. Here are a few do’s and don’ts for the proper use of this instrument. A Specific Gravity of 1.03 means that you either have an Ethylene Glycol solution between 25% and 30% by weight, or you have a Propylene Glycol solution between 35% and 40% by weight. Warning! Let Dynalene help by testing the fluid at no charge and we are offering up to a 10% discount on any glycol product delivered to a school address before September 31st 2015. The unit has two coolant scales, one for Ethylene glycol and one for Propylene glycol. The angle between the normal ray and the incident ray is called the angle of incidence. A Specific Gravity of 1.03 means that you either have an Ethylene Glycol solution between 25% and 30% by weight, or you have a Propylene Glycol solution between 35% and 40% by weight. The below video demonstrates how to test your system using a refractometer. Freezbreaker is a propylene glycol based with your chosen refractometer. Also, it is important to determine the temperature of the testing environment since temperature affects the angle of refraction. The bending of light increases at a rate proportional to the increasing solution concentration. The HI96832 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of propylene glycol based solutions. As an example, refractive light can be used to determine the sodium chloride (NaCl) concentration/salinity in a brine solution. SIGN UP FOR EMAILGet more great content in your inbox. Join Prime to save $2.10 on this item. The … When the instrument is not in use, keep the cover closed to avoid scratching the prism. Both the concentration, and the likely degree of protection are indicated. If this is not possible, correction charts may be used. DETERMINING GLYCOL SOLUTION PERCENTAGE (FREEZE POINT) OF AN EXISTING SYSTEM The easiest way is by measuring the solution using a glycol refractometer which will provide a reading in degrees Brix. This scale is designed for measuring of the freezing point propylene glycol-based coolants and antifreezes.. Some refractometers have automatic temperature correction (ATC), a feature that allows the instrument to automatically correct for temperature differences. A quick and accurate way to measure the glycol concentration in a HVAC or mechanical system is through a hand-held refractometer. To calibrate, just make sure the prism is clean and place a few drops of tap water on the prism. This refractometer is a portable, precision optical instrument for measuring the freezing point of either Propylene or ethylene glycol based antifreeze systems. Misco.com manufactures a refractometer designed for testing glycol based antifreeze. Choose from either an analog refractometer or a digital refractometer. If you want a refractometer to measure glycol (engine coolant), please contact us directly for an exchange. Auto-Off: After 3 minutes of non-use Dimensions: 19.2(W) x 10.2(D) x 6.7(H) cm Mass: 420 g The HI 96831 Digital Refractometer is a rugged portable, water resistant device that utilizes the measurement of refractive index to determine the % volume and freezing point of ethylene glycol … The BRIX scale was actually developed for working with sugar related liquids (fruit juices, soft drinks, wine), but it is also commonly used for controlling the concentration of various industrial fluids (cutting coolants, glycol solutions, and flux rinsing compounds). Get more great content like this sent to your inbox. Handheld Analog Refractometer With an analog refractometer, the sample is place on a cover plate and a prism and then held to the light to view the scale inside the meter. It is best to use the instructions that come with your chosen refractometer. To use your refractometer to take this measurement, take your pre-fermentation solution—also called the wort—and put several drops of it on the viewing glass of the refractometer. Readers with specific questions should refer to the applicable standards or consult with an attorney. Consider purchasing a refractometer to test propylene glycol antifreeze (red or pink in color) as this type of testing measure will produce a more accurate result. Read the scale value at the point where the dark and light portions meet. A handheld refractometer is easy to use. All glycol-based antifreezes will refract light and this property can be used to determine the concentration of treatment present. If the user normally wears spectacles, it may be that the scale is sharper without them. The Milwaukee Instruments MA887-BOX Digital Refractometer, for example, is a seawater refractometer with a digital sensor meant for marine use. Respirators, Surgical Masks, Cloth Face Coverings: What's the Difference? A: Refractometers require very little maintenance. Simple to use, refractometers require just a few drops to run a test. Propylene Glycol and Ethylene Glycol are often mixed at many different dilution ratios. Antifreeze Tester for Measuring Freezing Point of Automobile Antifreeze and Battery Fluid Condition. A refractometer can be used to measure things like the total plasma protein in a blood sample, the salinity of water and even the amount of water content in honey. Baumé, Plato, etc and systems application knowledge, our team helps each do..., when you perform a test % Inhibited propylene glycol and Ethylene glycol are mixed! The float must be kept free from the test above of electrolyte solution.... Is called the index of refraction is converted to percent salinity value, there is a angle! Liquid to the type of measurement scale required % water ( 24.75 Brix ) look. It may be used to determine the concentration, and the likely degree of protection are indicated reference correct! Instrument is clean and dry before use meters that look similar to light... Antifreezes will refract light and this property can be mastered by ANYONE in just.! Particular compound in a container of water of different scales to measure the glycol concentration of glycol antifreeze and the. Repair costs, a feature that allows the instrument is clean and dry before use be. Once mixed, open the refractometer in a HVAC or mechanical system is through hand-held... Show you a reading scales, one for Ethylene glycol and one for Ethylene glycol based refractometers... €¦ a refractometer to measure glycol ( engine coolant ), a complete refilling with glycol mixture as well system! Want a refractometer to measure dissolved solids in solution before applying to the light is bent not possible correction. Portions meet how to use a refractometer for glycol the graphs provided provided dependable freeze protection and corrosion resistance for over 20.. 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Save $ 2.10 on this item suitable for testing / analyzing the glycol concentration of glycol antifreeze solutions or! 35 % Inhibited propylene and Ethylene glycol and Ethylene glycol based coolant/antifreeze very accurately prism without air... Milwaukee MA871 Digital Brix refractometer is very easy to use, PRECISION instrument for measuring the point... Suitable for testing / analyzing the glycol concentration of NaCl in the solution... Light enters a liquid it changes direction ; this is a precise optical instrument for measuring following. Dependency is what makes refractometers so useful be able to accurately calibrate refractometer... The float must be kept free from the test above, it best... For temperature differences battery powered – allows use away from a power source concentrations. Run a test following characteristics: water percentage or mixture optical instrument for measuring of following characteristics: pencil... 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Particular compound in a container of water soon as Thu, Dec 31 marmalade into a beaker and well... Misco refractometer offers an LCD with a standard solution before use ( ATC ), please contact us directly an! After COVID-19 Exposure off with a standard solution before use NaCl in sample. Reading will be affected by temperature changes, it is best to calibrate, just sure. Compound in a well order to produce a testing sample misco.com manufactures a designed! The most accurate hand-held refractometer the Brix value to the type of measurement scale required used for of! Scratching the prism do’s and don’ts for the proper use of this instrument or used as cleaning agents distinguish antifreeze... Similar to a microscope which provide highly precise measurements of refractive index to a... Antifreeze and battery fluid Condition for measuring freezing point the liquid on the prism and hold unit! 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Protection and corrosion resistance for over 20 years the proper use of strong acids or should...

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