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AMTAST Hand Held DEF AdBlue Refractometer Tester for Urea Concentration in Diesel Exhaust Fluid Aqueous Urea Solution with ATC

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Shift to the next level measurement process (from manual to automated, or to on-line measurement; automation)

Moderne dieselemissiesystemen zijn voorzien van technologie die ontwikkeld is om de uitlaatemissies te zuiveren terwijl de uitlaatgassen door de uitlaat gaan. Een van de populairste systemen maakt gebruik van een ureum-oplossing, zoals AdBlue®, die in de uitlaat wordt gespoten voor de katalysator om de stikstofoxiden die uit de motor komen om te zetten in stikstof en water. Wanneer deze systemen niet werken, gaat de motor aanvankelijk over op “thuisbrengmodus” en als het probleem niet wordt verholpen, kan het OBD-systeem van het voertuig voorkomen dat het voertuig wordt gestart. Als onderdeel van de diagnostische routine van deze SCR (AdBlue®-injectie) systemen wordt de druk in het systeem zowel elektronisch via de OBD-software en protocollen als dynamisch gemeten met behulp van manometers. De Laser 8060 bestaat uit een manometer en aansluitslangen waarmee de gebruiker de systeemdruk direct bij de verstuiver (doseermodule) of pomp kan meten. ISO 22241-2 is the current used standard across Europe for AUS32 (chemical name for Adblue as Adblue is a trade name which is now the common usage term for the solution). The localised German Standard DIN70070 has now been largely superseded by its ISO 22241-2 counterpart in terms of limit thresholds. It is mandatory for new Adblue to be tested to the specification to be sold as ISO 22241-2 compliant. Some Adblue manufacturers may choose to perform all their testing in house, whilst others choose to use an independent lab to perform the analysis to prove the analysis is completely impartial. Analysis of each batch before sale ensures the quality of the Adblue meets the high quality standards of the ISO 22241-2 specification. Once sold, regular testing from bulk storage and vehicle tanks for common contaminants that may have happened after sale becomes critical, so measuring the urea content to confirm it has not been diluted, elemental analysis to detect presence of catalyst poisons and detection of fuel/oil in the sample are also important. ISO 22241-2 specifies test methods required for determining the quality characteristics of the diesel exhaust fluid. In an effort to reduce environmental pollution, the European Union has established certain rules about emissions from heavy and light goods vehicles. One method adopted by vehicle manufacturers to allow compliance is SCR (Selective Catalytic Reduction), which chemically reduces NOx emissions using a urea additive in the exhaust flow.Full specification testing is performed on a real time turnaround to allow for fast efficient movement of product without impacting the deliverability of these products for your clients to the supply chain. The full specification service provided includes the following parameters. SCR systems are part of the engine powertrain configuration, and contaminants or impurities in the AdBlue®/DEF could cause the SCR system to malfunction or fail. Thus, it is important to maintain quality standards as characterized in the ISO 22241-1 standard. Intertek provides a full range of prompt AdBlue®/DEF testing and analysis conforming to industry standards. Vehicles with a SCR system have a sensor that detects the presence of NOx, which triggers a spray of Adblue into the exhaust. Why is urea used rather than Ammonia as CO2 is just a waste product and it’s the ammonia doing the work?

Note: always wash the gauge and pipe assembly after use in clear water to prevent Urea crystal build up. Why does Adblue need to be a pure 32.5% urea solution and why is it important to test it to ISO22241-2? The AdBlue tank has been replaced so I hoped I bought a problem free car, but alas, I am now facing the EOLYS issue and it needs a new EOLYS unit. x 300 mm transparente Anschlussschläuche mit Gewebeeinlage – mit gerader und 90°-Schnellkupplung (6,3 mm) zum Anschluss an das SCR-System bei eingeschränkter Zugänglichkeit und zur Betrachtung der Flüssigkeitsfarbe, usw.So the potential problem is that your engine ECU may assume there is more fluid that there is in reality. This means it will go on dosing the fuel tank even if the tank is empty. The problems happen when it runs dry. Your Volkswagen car is fitted with an advanced emissions control system, which helps your vehicle meet the latest Euro 6 exhaust gas regulations. Selective Catalytic Reduction (SCR) using AdBlue® Hinweis: Nach dem Gebrauch das Messgerät und die Schläuche/Anschlüsse stets mit klarem Wasser reinigen, um zu verhindern, dass Harnstoffablagerungen entstehen. Toepassingen: Alle voertuigen met dieselmotoren die een ureum-oplossing van 32,5% gebruiken als dieseluitlaatvloeistof (AdBlue®) The additive has been full or partially topped up, but the resetting of the additive counter failed or was not completed correctly. The engine ECU therefore thinks the original amount of fluid is in there and not the new quantity. In this scenario it is not so concerning, as at least there is fluid in the tank - so the pump won't run dry. The worst that can happen is the low additive level warning may come on earlier than expected.

Car manufacturers that pre-charge DEF systems with fluid may continually monitor the concentration of AdBlue® using an RFM refractometer fitted on a bypass line. The concentration may be read from the display or more conveniently, output via a network connection to remote display, PLC and/or data capture device, where alarm signals may be pre-set for AdBlue® concentration at 32-33% urea. The OPTi refractometer is specifically recommended for use where large numbers of AdBlue® tests are to be made by more than one person and in a short amount of time. These environments include vehicle hire reception areas, fleet haulage yards, municipal depots and the like. Oil in Water Test StripsThe size of the AdBlue® tank fitted to your car will vary depending on which Volkswagen model you have, therefore the interval between top-ups will vary. In addition, many factors such as mileage, journey type, driving style and environmental conditions can influence how much AdBlue® is consumed. A passenger car can consume approximately 1.5 litres of AdBlue® every 620 miles (1.0–1.5 litres for the Passat and Passat Estate). The chart below details the AdBlue® tank size and location for all Volkswagen models that use SCR. How will I know if the system needs topping-up? tuyaux de raccordement tressés transparents de 300 mm – avec des connecteurs rapides parallèles et perpendiculaires de 6,3 mm pour permettre le raccordement au système RCS dans des zones d'accès limité et le contrôle visuel de la couleur du fluide, etc. Adblue is one of two commonly used methods to reduce NOx emissions as part of a SCR. The other being Exhaust Gas Re-circulation (EGR) systems that recirculate the exhaust gases with lower oxygen content to reduce peak cylinder temperatures and hence NOx production, but this requires strict maintenance of diesel particulate filters as less oxygen means more un-burnt fuel. In some engines both technologies are used to achieve the ever tightening emission standards. How does Adblue work to remove NOx? Opmerking: maak de manometer en slang na gebruik schoon met water om te voorkomen dat er ureum achterblijft. The AdBlue® trademark is currently owned by the German Association of the Automobile Industry (VDA), who ensure quality standards are maintained in accordance with ISO 22241 specifications:

The testing limits for ISO 22241-2 are as follows together when it is recommended to test for these parameters. So although Diagbox can estimate the additive remaining it can't be 100%. When it gets to a certain estimated level, it looks at your remaining miles due to the next service interval and if it thinks you won't have enough Eolys fluid to make it until the next service, it will flag up the low additive warning. A previous owner has only added a small amount of additive into the reservoir and not topped it up and has reset the counter - The engine ECU therefore assumes the tank is full when it is not and therefore the estimations are immediately incorrect. The environmental compatibility of diesel engines as compared to gasoline engines is a matter of great dispute in the discussion about the cause of and measures against anthropogenic climate change. While the combustion of gasoline produces more greenhouse gas CO 2, diesel engines generally exhaust more nitrogen oxides. The nitrogen oxide molecules NO and NO 2, which are included in the generic term NO X, are relevant for air pollution as they cause smog and acid rain in high concentrations and contribute to the depletion of the ozone layer. Hence, there are ambitions to reduce the NO X exhaust in diesel engines on different levels.Manufacturers of Aqueous Urea Solutions (AUS) within the European Union are required to conform to ISO 22241-2 in respect of refractive index measurement. This norm dictates that the measurement temperature must be extremely stable (±0.02 °C) and the refractive index resolved to 5-decimal places. Bellingham + Stanley has produced a specific refractometer called the RFM990-AUS32 that meets this requirement. Continuous DEF Refractometer for Car Manufacturers This mixture gives the best freeze point for the fluid at approx -11’C in which both the urea and water freeze at the same time. This means that the AdBlue concentration will not change and become diluted or over concentrated based on the weather as the solution freezes and thaws. Why does it need to be pure?

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