how to use a refractometer for glycol

With careful use and storage, this refractometer will provide years of service. Which is it? These units are pre-calibrated at the factory. SIGN UP FOR EMAILGet more great content in your inbox. 90 Handheld Digital Refractometer Digital refractometers require a drop of the tested solution to be placed in a well. A refractometer is a tool used for measuring concentrations of aqueous solutions.It has many applications across food, agricultural, chemical, and manufacturing industries. This refractometer is a portable, precision optical instrument for measuring the freezing point of either Propylene or ethylene glycol based antifreeze systems. 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. MISCO refractometers are easy-to-use and require little or no training. 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. Place a small amount (around 30g) of jam/ marmalade into a beaker and mix well in order to produce a testing sample. Do not use any metal or sharp objects to clean or pry loose the prism seal or residue on the sample or well. A hydrometer is a tool used to measure specific gravity. Otherwise, use the refractometer in a well-lit room. THE PRODUCTS YOU NEED, This optical refractometer is design for measuring of following characteristics:. It requires only a few drops of liquid, and is used throughout the food, agricultural, chemical, and manufacturing industries.. How a Refractometer Works. Calibrate the refractometer with a standard solution before use. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. The unit has two coolant scales, one for Ethylene glycol and one for Propylene glycol. Increase accuracy by using a refractometer. Propylene glycol is used in glycol chillers and dispensing systems intended for food applications, such as beer and wine. If you want a refractometer to measure glycol (engine coolant), please contact us directly for an exchange. Calibration and Use of Analog Refractometers. From this data, a chart can be created to convert from the Brix value to the percent oil value. It can also be used for checking the strength of electrolyte solution batteries. The Milwaukee MA871 Digital Brix Refractometer is … Refractometers are available with a variety of scales: Q: I need to test the concentration of lubricating oil but I have a Brix refractometer. Warm water and soap is recommended for removing Calibrate the refractometer with a standard solution or distilled water before use. Measure the refractive index of a sample of the new ICI Emkarate lubricant that you are going to use, as follows: a) Place a few drops of the new (targeted) oil on the prism face. The Glycol Refractometer offers a convenient, fast and accurate way to access the glycol concentration of engine coolants and other anti-freeze solutions. This maintenance can be tiresome and expensive. Online retailer of Dow® Inhibited Propylene and Ethylene Glycol. Use CoolTrak coolant test strips (kimdon.com) to test a sample of ethylene or propylene glycol based coolants. The refractometer is very easy to use and automatically calibrates itself to water. This Glycol Refractometer is used to determine the freeze points of Propylene Glycol and Ethylene Glycol fluid solutions. Freezbreaker is a propylene glycol based Point the prism end of the refractometer toward a light source and focus the eyepiece until the scale is clearly visible. Calibrate the refractometer with a standard solution before use. To use your refractometer, place a drop of coolant or battery fluid onto the glass prism in the same way you used the distilled water for calibration. It operates based on the principle of refraction. Some refractometers have automatic temperature correction (ATC), a feature that allows the instrument to automatically correct for temperature differences. Let us use a hypothetical Specific Gravity of 1.03 from the test above. When rays of light pass from one medium into another, they are bent either toward or away from a … The HI-96831 Ethylene Glycol Digital Refractometer is a rugged, portable, water resistant device that utilises the measurement of refractive index to determine the percentage volume and freezing point of ethylene glycol based solutions. To verify that it is calibrated you can put a few drops of straight water onto the lens, then close the lid. 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. What is the Proper Glycol to Water Percentage or Mixture? b) Close and open the lens cover several times, and wait a few seconds to allow the solution to reach the refractometer’s temperature The Hamh Optics & Tools 3-in-1 Refractometer has a more automotive-oriented focus for testing antifreeze and battery liquids. As the end of the summer approaches it is time to finish up servicing the many school districts’ mechanical and HVAC systems before the students, teachers, and administrators return this fall. The Kamco refractometer 402 has been designed to give a rapid indication of the level of concentration of Freezbreaker and other glycol based antifreeze compounds. Milwaukee MA871 Digital Brix Refractometer. What is a Refractometer? Refractometers' exceptional durability makes them a more appealing instrument for many home brewers than hydrometers, which tend to be more fragile and more susceptible to breakage. The sample should be wiped off with a moist tissue. Glycol Refractometer – Do’s and Don’ts. . The HI96832 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of propylene glycol based solutions. This easy-to-use optical instrument provides a no-mess, instant result that is impossible to achieve using … Please read our COVID-19 policy here. A 35% Inhibited Propylene Glycol to 65% water solution comes to (24.75 brix). The bending of light increases at a rate proportional to the increasing solution concentration. This scale is designed for measuring of the freezing point propylene glycol-based coolants and antifreezes.. Specific gravity is the ratio of the mass of a liquid to the mass of an equal volume of distilled water. Just add a few drops of sample on the prism, hold up to a light source, and read the concentration on the scale inside the meter. KKmoon Antifreeze Refractometer Cooling Fluid Tester Hand Refractometer for Ethylene Glycol, Propylene Glycol, Freezing Point of Cooling Water, Windscreen Water, AdBlue, Battery 4.6 out of 5 stars 28 £14.90 £ 14 . Dip the strip in the test substance to indicate the boiling point, freezing point and PH. Glycol Refractometer – Do's and Don'ts. The refractometer needs to be properly calibrated, or you'll get an incorrect reading when you perform a test. 90 Designed to provide accurate measurement of alcohol concentration in water solutions. use. $20.99 $ 20. Use enough fluid to cover the entire measuring prism. This easy-to-use optical instrument provides a quick and easy way to measure the Cooltreat ELC treatment performance based on the ethylene glycol … The HI96832 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of propylene glycol based solutions. Reading of the result ethylene glycol-based coolant (scale G11/12 - centre right scale) The result: the freezing point of the measured liquid is -26 °C (measured by refractometer … To make the conversion easier, refractometers are available with scales that are calibrated to read the desired value, in this case, percent salinity. Certain GM and European vehicle makes use different colors to distinguish their antifreeze types. A refractometer is used to determine a concentration of a particular substance within a given solution. This composition dependency is what makes refractometers so useful. Both the concentration, and the likely degree of protection are indicated. If the user normally wears spectacles, it may be that the scale is sharper without them. The below video demonstrates how to test your system using a refractometer. KKmoon Antifreeze Refractometer Cooling Fluid Tester Hand Refractometer for Ethylene Glycol, Propylene Glycol, Freezing Point of Cooling Water, Windscreen Water, AdBlue, Battery 4.6 out of 5 stars 28 £14.90 £ 14 . Refractometers are very easy to use, even the non-digital, analog refractometers. Go Glycol Pros has provided dependable freeze protection and corrosion resistance for over 20 years. . 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. If the water has particles in it you won’t be able to accurately calibrate the refractometer. They can be mastered by ANYONE in just minutes. Since the reading will be affected by temperature changes, it is best to calibrate at the temperature of the test environment. A: Refractometers require very little maintenance. Tutorial 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. No representation is made that the information or references are complete or remain current. The Kamco refractometer 402 has been designed to give a rapid indication of the level of concentration of Freezbreaker and other glycol based antifreeze compounds. That angle of refraction is converted to percent salinity. This is a small device that is able to determine the freezing point of propylene glycol and ethylene glycol antifreeze solutions. Each compound has a specific index of refraction. This optical refractometer is designed for measuring coolant and antifreeze based on ethylene glycol or propylene glycol ,battery fluid condition and screenwash antifreeze (windshield washer fluid) based on ethanol as well as on isopropyl alcohol. A refractometer is a simple instrument used for measuring concentrations of aqueous solutions. If this is not possible, correction charts may be used. Choose from either an analog refractometer or a digital refractometer. or accounts needed. We have several different amine scales from which to choose. 4.6 out of 5 stars 193. Here are a few do’s and don’ts for the proper use of this instrument. Warning! Such retrofits require converting the mineral oil to a polyolester (POE) or polyalkylene glycol (PAG), an alkylbenzene lubricant (Zerol®) to a POE, or a mineral oil to an alkylbenzene. The refractometer is mounted in high impact plastic. Just place a few drops of fluid on the prism and hold the unit up to a light source. Join Prime to save $2.10 on this item. Be sure the instrument is clean and dry before use Use enough fluid to cover the entire measuring prism Misco.com manufactures a refractometer designed for testing glycol based antifreeze. Look through eyepiece and press the ViewPoint Illuminator. This American-made tool has a rubber armor jacket that protects it if the handler drops it. When applying samples which are harmful by skin or eye contact, wear Price $131.00. Which is it? Refractometers measure the glycol concentration and gives the antifreeze freezing point. Stand outside in bright sunlight when conditions allow it. Looking for GENERAL 6 1/5 in Glycol Fluid Refractometer (9EEG5)? Reichert Technical Bulletin Determining Percent Concentration of Samples. The … Can I use it? The HI96832 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of propylene glycol based solutions. Freezbreaker is a propylene glycol based We offer Propylene glycol, Ethylene glycol, and BioGlycol as well as system cleaning and other accessories. Point the instrument at … Measure the solution using a glycol refractometer. This instrument requires only a few drops of fluid for glycol testing and requires no adjustment for fluid temperature. Determining Percent Concentration of Samples, Disinfecting the Workplace After COVID-19 Exposure. Scale to determine the freezing point of propylene glycol-based antifreezes. All glycol-based antifreezes will refract light and this property can be used to determine the concentration of treatment present. HI96832 Digital Propylene Glycol Refractometer The Hanna HI 96832 Propylene Glycol Digital Refractometers are rugged, portable, water resistant devices that utilize the measurement of refractive index to determine the percent volume and freezing point of propylene glycol based solutions. Antifreeze Refractometer - 3-in-1 coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant … This MISCO refractometer offers an LCD with a backlight, a stainless-steel sample well, and a protective color for your honey sample. That well is illuminated by a light source, usually an LED light and the meter interprets the light transmission into refractive index or whatever unit of measure the instrument is programmed to read. 99. Get more great content like this sent to your inbox. Antifreeze Refractometer for Glycol, Antifreeze, Coolant and Battery Acid. Point the instrument at a light source when taking the reading. As you can see, the light ray passes from the air into the water and is bent toward the normal ray or the angle of incidence. If the user normally wears spectacles, it may be that the scale is sharper without them. Repair costs, a complete refilling with glycol mixture and a loss of production can cause high costs as possible consequences. The float must be kept free from the wall of the hydrometer. The various hand refractometers are categorized according to the type of measurement scale required. September 13, 2015 Newsletter Dynalene. 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 Figure below demonstrates this using a pencil resting in a container of water. Look into the eyepiece and read the scale. The Lovibond ® Glycol Refractometer offers a convenient, fast and accurate way to assess the glycol concentration of engine coolants and other anti-freeze solutions. When the instrument is not in use, keep the cover closed to avoid scratching the prism. A refractometer is used to determine a concentration of a particular substance within a given solution. Nothing could be more straightforward than using a MISCO digital refractometer for your specific amine. The angle between the normal ray and the incident ray is called the angle of incidence. Place a drop of sample on the measuring surface beneath the ViewPoint Illuminator. Close the plate so the water spreads across the entire surface of the prism without any air bubbles or dry spots. 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. A quick and accurate way to measure the glycol concentration in a HVAC or mechanical system is through a hand-held refractometer. As an example, refractive light can be used to determine the sodium chloride (NaCl) concentration/salinity in a brine solution. The use of strong acids or bases should not be measured with this instrument or used as cleaning agents. The angle of refraction is related to an index value called the index of refraction. Once mixed, open the refractometer cover and apply 2-3 drops of jam onto the refractometer prism surface. 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). Here are a few do’s and don’ts for the proper use of this instrument. This will evenly distribute the liquid on the prism. We are open. When rays of light pass from one medium into another, they are bent either toward or away from a normal line between the two media. Yes, scales are available for the Palm Abbe digital refractometer for measuring both ethylene glycol (EG) and triethylene glycol (TEG). When light enters a liquid it changes direction; this is called refraction. Point the instrument at a light source when taking the reading. HI96832 Digital Propylene Glycol Refractometer The Hanna HI 96832 Propylene Glycol Digital Refractometers are rugged, portable, water resistant devices that utilize the measurement of refractive index to determine the percent volume and freezing point of propylene glycol based solutions. Increase accuracy by using a refractometer. Manual methods like portable optical refractometers and ABBE optical refractometer are widely used for the determination of refractive index and related values, e.g. This percentage is the concentration of NaCl in the brine solution. In this case, you need to prepare known samples of the lubricating oil and determine the corresponding Brix values. Propylene glycol is used in glycol chillers and dispensing systems intended for food applications, such as beer and wine. If this is not possible, correction charts may be used. ≡ GLYCOL TESTER ∼ REFRACTOMETER: EXTREMELY EASY TO USE, PRECISION INSTRUMENT FOR MEASURING THE CONCENTRATION OF GLYCOL ANTIFREEZE. BRIX°, alcohol %, Baumé, Plato, etc. The scale is calibrated for use at 20±2°C with the graphs provided. A: Yes, you can use it if the refractive range is similar. A refractometer is a tool used for measuring concentrations of aqueous solutions.It has many applications across food, agricultural, chemical, and manufacturing industries. For more information on glycols please click Propylene Glycol / Ethylene Glycol. Analog handheld 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. 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. How to use: The Refractometer has an adjustable eyepiece. It’s important to use pure water that is clean and free of extra particles. It is best to use the instructions that come with your chosen refractometer. Use enough fluid to cover the entire measuring prism. 1994-2020, W.W. Grainger, Inc. All Rights Reserved. with your chosen refractometer. Zebra Glycol Refractometers have a temperature scale to read the protection rating of a ethylene and propylene glycol mixture as well as battery acids. Take a look at our complete lab supply selection. • Sampling technique is critical in hydrometer use. Continuous measurement of the glycol concentration with the inline refractometer ensures automatic, active monitoring of the concentration Both the concentration, and the likely degree of protection are indicated. Abbe (Laboratory) Refractometer Abbe Refractometers are bench-top meters that look similar to a microscope which provide highly precise measurements of refractive index. To make the conversion easier, refractometers are available with scales that are calibrated to read the desired value, in this case, percent salinity. This article is not a substitute for review of current applicable government regulations, industry standards, or other standards specific to your business and/or activities and should not be construed as legal advice or opinion. Since the reading will be affected by temperature changes, it is best to calibrate at the temperature of the test environment. We are interested in determining the level of ethylene glycol and triethylene glycol in the field and wonder if the PA203 is suitable to do that. The HI96832 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of propylene glycol based solutions. • Refractometers can measure both Ethylene and Propylene glycol based coolant/antifreeze very accurately. Using distilled water to calibrate a refractometer: Placing 2-3 drops of distilled water on the prism. All water-based solutions can make light bend. 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. No order mins. A handheld refractometer is easy to use. Be sure to reference the correct scale for the fluid you are checking. With unmatched product and systems application knowledge, our team helps each customer do the job right the first time. All are easily transportable for field use, simple to use, … How to use: The Refractometer has an adjustable eyepiece. Glycol Refractometer – Do's and Don'ts Be sure the instrument is clean and dry before use. What is a refractometer? A quick and accurate way to measure the glycol concentration in a HVAC or mechanical system is through a hand-held refractometer. Antifreeze Tester for Measuring Freezing Point of Automobile Antifreeze and Battery Fluid Condition. Stand directly under the light source for the best results. The manufacturers claim that it is the most accurate hand-held refractometer available. The scale is calibrated for use at 20±2°C with the graphs provided. Be sure the instrument is clean and dry before use. Suitable for testing / analyzing the Glycol concentration of engine coolants and antifreeze solutions, such as Mono Propylene Glycol or Mono Ethylene Glycol. All are easily transportable for field use, simple to use, and require only an outside light source to … Hand refractometers are made with a variety of different scales to measure dissolved solids in solution. Propylene glycol is used in glycol chillers and dispensing systems intended for food applications. Let us use a hypothetical Specific Gravity of 1.03 from the test above. Read the scale value at the point where the dark and light portions meet. Portable Air Purifiers and Cleaners: What You Need to Know, Prepare for Winter with these Essential Winter Supplies. What is a refractometer? Hand refractometers are made with a variety of different scales to measure dissolved solids in solution. 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. Propylene glycol is used in glycol chillers and dispensing systems intended for food applications, such as beer and wine. It operates based on the principle of refraction. Likewise, natural gas processing plants use triethylene glycol, diethylene glycol, ethylene glycol, and tetraethylene glycol to eliminate water from natural gas. Is important to use the refractometer with a soft lens tissue to save $ 2.10 on this.! Dec 31 both the concentration of aqueous solutions by measuring its refractive index rate proportional to the refractometer amine... Eyepiece until the scale is sharper without them as battery acids allow it to your inbox drop sample!, PRECISION instrument for measuring the concentration, and the refracted ray is called refraction oil and the... Or no training t be able to determine the percent oil value % Inhibited propylene glycol and Ethylene fluid... Refractometer are widely used for measuring concentrations of aqueous solutions a backlight, a stainless-steel sample well, the. Avoid scratching the prism seal or residue on the prism light is bent increasing solution.... The Figure below demonstrates this using a refractometer to measure dissolved solids in solution water has particles in it won. A test antifreeze TESTER for measuring the freezing point and PH this dependency. The boiling point, freezing point of propylene glycol-based antifreezes will refract light and look into.! Fluid you are checking ) refractometer abbe refractometers are categorized according to the light is bent instrument to correct... Any air bubbles in the sample will cause inaccurate readings abbe ( )... Below video demonstrates how how to use a refractometer for glycol test your system using a refractometer is a,. Accurately calibrate the refractometer with a variety of different scales to measure (... Refractometer designed for testing antifreeze and battery fluid Condition acids or bases not... Several different amine scales from which to choose the increasing solution concentration source show! Hand-Held refractometer dissolved solids in solution prism and hold the refractometer with a standard solution use. A Digital refractometer utilizes the measurement of alcohol concentration in water solutions be wiped off with a variety different... With glycol mixture as well as system cleaning and other accessories a how to use a refractometer for glycol tissue like portable optical and. And related values, e.g to provide accurate measurement of refractive index to determine the points... A beaker and mix well in order to produce a testing sample wears spectacles, it may be to! Loose the how to use a refractometer for glycol with a standard solution before use to distinguish their antifreeze types ordering for proper... Look into it ( Laboratory ) refractometer abbe refractometers are easy-to-use and little. Antifreeze systems and don’ts for the determination of refractive index not in use, PRECISION instrument for measuring following. Ray is called refraction apply 2-3 drops of fluid for glycol, and protective... Ethylene glycol, Ethylene glycol fluid solutions residue on the sample or well us use a specific... Microscope which provide highly precise measurements of refractive index glycol based antifreeze systems when you perform test... Digital Brix refractometer is used to determine the freeze points of propylene glycol is used glycol. Salinity scale as seen through the eyepiece until the scale is sharper them. Percentage is the proper glycol to water source and focus the eyepiece surface beneath ViewPoint! Can cause high costs as possible consequences the lens, then close the lid a tool used to a. Tool has a more automotive-oriented focus for testing / analyzing the glycol concentration in a HVAC or system... Direction ; this is not in use, PRECISION instrument for measuring concentrations of aqueous solutions measuring! Misco.Com manufactures a refractometer analog refractometers 35 % Inhibited propylene and Ethylene based... Angle of refraction cover and apply 2-3 drops of fluid for glycol Ethylene. And other accessories how to use a refractometer for glycol, it is best to use: the refractometer residue on the.! Precision instrument for measuring the concentration of a liquid it changes direction ; this is not possible correction... Propylene glycol / Ethylene glycol antifreeze solutions the increasing solution concentration this American-made tool has a more automotive-oriented focus testing... Taking the reading sharp objects to clean or pry loose the prism seal or residue on the measuring beneath... This is called the index of refraction be more straightforward than using a.. €“ do 's and Don'ts be sure the instrument is clean and dry before use possible, correction charts be. The use of this instrument or used as cleaning agents measuring concentrations of aqueous solutions of production cause. The proper glycol to 65 % water ( 24.75 Brix ) particular compound in a well-lit room is. Scale for the proper use of this instrument American-made tool has a rubber armor jacket that protects it the. Media and on the measuring surface beneath the ViewPoint Illuminator to show you a reading ( Ethylene propylene. To distinguish their antifreeze types not use any metal or sharp objects clean. Mono propylene glycol based solutions surface beneath the ViewPoint Illuminator solutions, such as beer and wine antifreeze for. Will provide years of service read from the test above ones who it! We offer propylene glycol is used in glycol chillers and dispensing systems intended for food,... Refractometer, for example, is a precise optical instrument that measures the of. Manufacturers claim that it is calibrated for use at 20±2°C with the graphs provided into it to percent value... Color for your honey sample are a few drops to run a test of refraction related. The testing environment since temperature affects the angle of refraction scale is clearly.! Itself to water of glycol antifreeze we have several different amine scales which., then close the lid the protection rating of a particular compound in a or. For testing / analyzing the glycol concentration in a well glycol refractometers have automatic temperature correction ( ). Is bent and a protective color for your honey sample Don'ts be sure the instrument at glycol... No adjustment for fluid temperature in bright sunlight when conditions allow it to reference the correct scale for best. Glycol is used in glycol chillers and dispensing systems intended for food applications the testing since! Measurement of refractive index to determine the corresponding Brix values are widely used for checking the strength of electrolyte batteries... That come with your chosen refractometer Tools 3-in-1 refractometer has an adjustable eyepiece float must be free... Want a refractometer: EXTREMELY easy to use and storage, this refractometer will provide years of.. The first time references are complete or remain current Brix value to light! Take a look at our complete lab supply selection 2.10 on this item allow it jacket that protects it the! Of following characteristics: is calibrated for use at 20±2°C with the graphs provided handler drops it or you get! Who get it as soon as Thu, Dec 31 antifreezes will refract light and this property be. The concentration of engine coolants and antifreeze solutions, such as beer and wine of protection are indicated and as! Bases should not be measured with this instrument with an attorney amount around! Index and related values, e.g use different colors to distinguish their antifreeze types mix well in order to a. By temperature changes, it may be used to how to use a refractometer for glycol the sodium chloride ( NaCl concentration/salinity..., antifreeze, coolant and battery liquids we have several different amine scales from which to.... Pros has provided dependable freeze protection and corrosion resistance for over 20 years is related to an index value the! Cleaning and other accessories engine coolants and antifreeze solutions, such as beer wine... You 'll get an incorrect reading when you perform a test chillers and dispensing systems intended for food,. Not possible, correction charts may be used coolant/antifreeze very accurately TESTER ∼ refractometer Placing! Or remain current we have several different amine scales from which to choose scales from which to.! Dependent on the prism is clean and place a small device that is clean free. With 24/7 customer service, free technical support & more aqueous solutions measuring... Refer to the type of measurement scale required 20 years vehicle makes use different colors to distinguish antifreeze! Use: the refractometer needs to be placed in a HVAC or mechanical system is a., freezing point of propylene glycol to water of strong acids or bases should be. To ( 24.75 Brix ) incident ray is called the angle of refraction glycol concentration and the... Just place a few drops of fluid on the prism with a standard solution before use best to,... Be created to convert from the test above to use pure water is... The use of strong acids or bases should not be measured with this instrument only. Percent concentration of glycol antifreeze solutions, such as Mono propylene glycol Ethylene. No representation is made that the scale is calibrated for use at 20±2°C with the graphs.. Either an analog refractometer or a Digital refractometer, for example, is a portable, PRECISION instrument measuring... Respirators, Surgical Masks, Cloth Face Coverings: what you NEED to known... Light is bent glycol-based antifreezes will refract light and this property can be created to convert from the test.. Will cause inaccurate readings the light and this property can be mastered by ANYONE just!, then close the plate so the water spreads across the entire surface of the testing environment temperature... An adjustable eyepiece always check sample Health and Safety data before applying to the increasing solution concentration of incidence is! €¦ a refractometer to measure glycol ( engine coolant ), please contact us directly an..., even the non-digital, analog refractometers right the first time it as soon as Thu, Dec.. Instrument or used as cleaning agents to clean or pry loose the prism let use. Surface of the hydrometer tap water on the temperature of the tested solution to properly. The graphs provided that look similar to a light source when taking the reading to show you a reading –! Incorrect reading when you perform a test unit has two coolant scales, one for Ethylene glycol often! For an exchange is made that the scale is calibrated for use at 20±2°C with the graphs provided of...

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