Handheld refractometerbased measurement and excess permittivity analysis method for detection of diesel oils adulterated by kerosene in. Handheld refractometers independent measurement of nd or %brix. Kruss optronic digital handheld refractometers are ideal for mobile use and have a large measurement range. Universal handheld refractometer for refractive indices. The refractive index of a liquid is related to its concentration and so a refractometer can display the concentration in suitable units, such as brix % sugar. Such instruments do not measure concentration directly, although they. There are two types of bench refractometers that are typically used in laboratory or industrial settings. Digital refractometer easy and convenient to use refractometers. One type is a portable hand held machine, used to make measurements in the field. Get info of suppliers, manufacturers, exporters, traders of hand refractometer for buying in india. Hand held refractometers are one of the most popular.
Technical data digital handheld refractometers pdf. Using these values, you can determine the concentrations of solutions. Wouldnt you want to be able to take an accurate measurement anytime and anywhere. Benchtop instruments such as the abbe mark iii refractometer reichert, ny, usa and the standard abbe refractometer. A traditional handheld refractometer is an analog instrument for measuring a liquids refractive index. They are very easy to use, very robust and do not require batteries. Instructions for atc natural sea water refractometer hand held instrument for the measurement of salinity and specific gravity s. The refractive index for a solution of a known substance can be used to calculate the concentration of that solution.
Comparison of a digital and an optical analogue handheld. Refractometers handheld, analog and digital refractometers. A refractometer measures the bending of light as it passes through some material. Reichert hp handheld refractometer series brochure reading conversion determining percent concentration of samples rhino automatic temperature compensation feature why use a refractometer. Open daylight plate, and place 23 drops of distilled water or standard solution on the prism. These products are offered by us in varied scale and specifications to cope up with the diverse requirements of the clients. Hold the meter in the direction of light source calibration knob.
Operation manual for handheld refractometer for brix making. Maple sap and syrup testing equipment refractometer for testing density of maple sap and maple syrup hand held refractometer hand held refractometer view larger image. If the sample contains oils or fat, use isopropyl alcohol and water to clean the prism surface. Wholesale trader of refractometers erma japan erma japan hand refractometer, fructose digital refractometer offered by swastik scientific company, mumbai, maharashtra. Our domain expertise has enabled us to come with a remarkable gamut of hand refractometers. Hand held refractometers are in most cases critical angle refractometers, not much different from the immersion refractometer which by itself is a variant of abbe refractometer.
Index instruments have been making refractometers since 1975 and offer a wealth of experience in this specialised field of scientific instrumentation. The various hand refractometers are categorized according to the type of measurement scale. Handheld refractometer, determination of brix, determination of baume, determination of water content in honey, measurement range 5892 %brix, 3843 be. Overview handheld refractometers pdf, 122 kb our service is. These versatile pocket refractometers are easy to use and provide quick results. Hand refractometers hand refractometer manufacturer from. The ref108 developed for working with sugar related liquids fruit juices, honey, soft drinks, wine, help monitor and control. Hand refractometers are made with a variety of different scales to measure dissolved solids in solution.
Product documentation index instruments refractometers. This new type of handheld refractometer is the first to be equipped with au tomatic temperature compensation and water resistantip65at the same time. All our products are developed by a team of adroit experts, following industry laid norms and guidelines. Measure sugar content in fruits, vegetables, juices, beverages, wine and beer. Tiaoyeer brix refractometer with atc digital handheld refractometer for beer wine fruit sugar, dual scalespecific gravity 1. The brix scale, originally defined for sugar solutions, is also used for industrial cutting lubricants, chemical solutions and many other applications for measuring the concentration of the solution.
Calibration should be made in an ambient environment of 20degree celsius. The kern ora refractometers are universal, maintenance free analogue handheld refractometers. Operation manual for hand held refractometer for brix measurement product layout 4. Close the daylight plate so the water spreads across the entire surface of the prism without air bubbles or dry spots. That characteristic is represented by a value on a scale in units known as. For the contact lens practitioner, there are hand held instruments on the market fig. Choosing and using a handheld refractometer there are two types of hand held refractometers. A comparison between optical analogue and digital refractometers for evaluation of canine urine has not been reported. A refractometer takes the refraction angles and correlates them to refractive index nd values that have been established. Almost all hand held salt water refractometers available to the hobby are designed and calibrated for the testing of brine solutions, i. Atago brix concentration refractometers novatech international. This new type of hand held refractometer is the first to be equipped with au tornatic temperature compensation and water resistant ip65 at the same time. The aim of this study was to compare a digital and an optical analogue hand held refractometer. You can achieve an excellent measurement with this compact body design with one hand.
Handheld refkeratometer handyrefk handheld refractometer. This phenomenon is known as refraction, and its measurement is called a refractive index. Refractometer abbe, inline, brix, digital refractometers. The pal is a completely new and redesigned digital handheld instrument that will change the traditional conceptions of refractometers. When you need reliable, accurate readings of your salt water, the fisherbrand analog salinity refractometers delivers the value with both readings of salinity and specific gravity all in one scale. Pdf design, fabrication and performance evaluation of a portable. Nov 20, 2015 this video describes the principles behind the refractive index measurement of percent soluble solids content %ssc or brix in fruits and vegetables. Laxco handheld digital brixri refractometer fisher. Digital handheld refractometer with brix scale to 85 brix and refractive index scale to 1. The various hand refractometers are categorized according to the type of measurement scale required. Some customers prefer the ease of use with the handheld digital refractometer model pa202 part no.
How to use a traditional analog handheld refractometer different models of traditional analog refractometers have different internal scales on which to read fluid concentrations. You can adjust the focus by twisting the eyepiece until the scale can be seen clearly. They are mainly used for quick onthespotcontrol of process streams and the field analysis in fruit and vegetable plantations. They are used in many places like in wine growing and wine making, both by professionals and amateurs, in beer brewing, in garages. It works on the critical angle principle by which lenses and prisms project a shadow line onto a small glass reticle inside the instrument, which is then viewed by the user through a magnifying eyepiece.
Refractometers with electronic temperature control. Brix refractometer brix and refractive index scales. Dec 12, 2012 a refractometer instantly reads gravity of unfermented wort, wine must, mead or fruit juice by measuring the degree that light passing through the sample is bent. The use of a hand refractometer facilitates convenient and rapid measurement of concentration in a number of liquid and semisolid samples. The eline 80 refractometer offers a relatively wide measuring range when compared to conventional hand held refractometers and so facilitates the measurement. Hr handheld refractometers can be used anywhere on the move. Read on to learn more about the different types of refractometers, such as abbe refractometer, hand refractometer, digital refractometer, automatic refractometer, and process refractometer. Choose from our large selection of benchtop and handheld versions of abbe, brix, analog, and digital refractometers. The atago 3810 pal1 handheld, digital refractometer fits in many pockets, measures brix in the 0. Operation manual for hand held refractometer for brix measurement 28 to 62% product layout specification. Hand held refractometers are one of the most popular analytical devices.
The pal10s is a digital hand held refractometer that measures urine specific gravity. All are easily transportable for field use, simple to use, and require only an outside light source to be functional. The handyrefkhandyref will come in handy as a reliable partner that you can always count on. Once the refractometer is calibrated to zero with pure water, dry the surfaces with a clean cloth. The aim of this study was to compare a digital and an optical analogue hand held refractometer for the measurement of canine usg, and to assess.
This instrument may be slightly less accurate than the model 10419 with some foam solutions as a result of digital rounding for displayed values. Whether you are in aquaculture, food processing or wildlife management fisherbrand analog handheld refractometers are designed to measure salt levels in water and other saline fluids accurately and. They work on the principle that light entering a prism has a. Hand held refractometers for hi htem erature sam les h80 h50 these hand held refractometers are superior to standard models in terms of heat resistance. Handheld refractometers independent measurement of nd or. Hand held instrumentation xylem analytics australia. Operation manual for handheld refractometer for brix. How to use a traditional handheld refractometer misco. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Specifically designed for aquarium use for measuring the salinity of natural sea water. Shop online for a wide selection of laxco handheld digital brixri refractometer laxco handheld digital brix refractometers are portable, reliable and accurate. Refractometers are used for the identification of substances and concentration measurement of fluids.
A solution containing sucrose placed on the prism surface will change the direction of the light significantly. Zebra refractometer manual correcting for temperature if, during concentration measurement, the temperature is above or below 10f to that of the temperature during calibration, it is recommended to recalibrate the unit at the testing temperature. Atago malaysia handheld refractometer master muser apac. Refractometers enjoy popularity in many applications, each of which has slightly different requirements for the instrument. Opt10 and opt32 models are temperature stabilized within a 18f range. Digital handheld refractometers for onsite measurements. A refractometer instantly reads gravity of unfermented wort, wine must, mead or fruit juice by measuring the degree that light passing through the sample is bent. Atago brix concentration refractometers enables anyone to perform consistent accurate measurements with ease. Index instruments index instruments refractometers. Pdf handheld refractometerbased measurement and excess. Refractometer there are two types of handheld refractometers.
Refractometers erma japan erma japan hand refractometer. Digital handheld refractometers for onsite measurements of. This new type of hand held refractometer master functions such as easytoread, easytohold, smooth sampling, easy disposal of sample from the edge, the improvement of hygiene aspect by employing the new type of grip, and well balanced structure, emphasis is also placed on its design, well exemplified by the streamlined body and the. Measuring range covers the most frequent substances of the pharmacy requirement. Refractometers from the premiere refractometer manufacturer, including. We spend a high portion of our turnover in a programme of continuous reseach and development to improve and innovate our products. Fisherbrand handheld analog salinity refractometer. Handheld analog refractometers are convenient because they do not require an energy source.
It works on the critical angle principle by which lenses and prisms project a shadow line onto a small. When light enters a dry prism, the field of view in an analog refractometer remains. Refractometer hand held pal1 refractometer hand held. Find here online price details of companies selling hand refractometer.
Reviewing the following tips should improve the accuracy and utility of sugar data in determining fruit maturity. Atago 3810 pal1 digital hand held pocket refractometer, 0. To operate it, simply place a few drops of urine on the prism and press the start key. The handy and robust design allows the easy, efficient and. Replace the plastic cap after adjusting the calibration screw to prevent water from entering the refractometer. They are lightweight and easily fit in a lab coat pocket.
Apr 24, 2017 a refractometer measures the bending of light as it passes through some material. Users guide portable salinity refractometer with atc model rf20 introduction congratulations on your purchase of the extech rf20 handheld salinity refractometer with automatic temperature compensation. They work on the principle that light entering a prism has a unique characteristic. They also describe techniques and troubleshooting methods to maximize the efficiency of the instruments. Expired lifetime application number us293,811 inventor werner hoelbl. Introduction soluble dissolved sugar or solids content ssc or brix is a measure of sweetness. However, they may not be accurate if used outside the specified temperature range. Reichert hp handheld refractometer series brochure reading conversion determining percent concentration of samples rhino automatic temperature compensation feature why use a refractometer technical bulletin icumsa brix table. The opti refractometer may be used to control the dissolved solids or blend ratios of numerous products from fresh fruit to industrial chemicals.
This precision optical instrument should be handled gently. The digital hand held refractometers dr10160, dr20195 and dr30195 are the ideal solution for the chemical, petrochemical, automotive, aviation, metal processing and food industry as well as for hospitals and pharmacies. Handheld refractometers are classic, visual refractometers and are used for the determination of the refractive index of liquid media of low or high viscosity. A variety of relatively lowcost handheld or digital refractometers a large selection on online auction websites. Atago malaysia hand held refractometers master series.
439 842 1205 1564 1559 320 1159 1172 1262 90 1571 1074 1425 1546 396 585 414 478 522 1315 936 6 1033 352 1109 1120 267 1539 199 466 405 181 886 1240 1270 151 1015 179