Hand refractometers are made with a variety of different scales to measure dissolved solids in solution. Digital handheld refractometer with brix scale to 85 brix and refractive index scale to 1. Laxco handheld digital brixri refractometer fisher. 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. These versatile pocket refractometers are easy to use and provide quick results. A traditional handheld refractometer is an analog instrument for measuring a liquids refractive index. The eline 80 refractometer offers a relatively wide measuring range when compared to conventional hand held refractometers and so facilitates the measurement. Operation manual for hand held refractometer for brix measurement 28 to 62% product layout specification. 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. 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. Handheld refractometers independent measurement of nd or %brix. They are mainly used for quick onthespotcontrol of process streams and the field analysis in fruit and vegetable plantations. The ref108 developed for working with sugar related liquids fruit juices, honey, soft drinks, wine, help monitor and control. The various hand refractometers are categorized according to the type of measurement scale.
The handy and robust design allows the easy, efficient and. One type is a portable hand held machine, used to make measurements in the field. Opt10 and opt32 models are temperature stabilized within a 18f range. Handheld analog refractometers are convenient because they do not require an energy source. Our domain expertise has enabled us to come with a remarkable gamut of hand refractometers. Pdf design, fabrication and performance evaluation of a portable. 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. They work on the principle that light entering a prism has a unique characteristic. Handheld refractometers independent measurement of nd or. Atago malaysia handheld refractometer master muser apac. The use of a hand refractometer facilitates convenient and rapid measurement of concentration in a number of liquid and semisolid samples. All are easily transportable for field use, simple to use, and require only an outside light source to be functional. Choosing and using a handheld refractometer there are two types of hand held refractometers.
Read on to learn more about the different types of refractometers, such as abbe refractometer, hand refractometer, digital refractometer, automatic refractometer, and process refractometer. These products are offered by us in varied scale and specifications to cope up with the diverse requirements of the clients. The kern ora refractometers are universal, maintenance free analogue handheld refractometers. Handheld refractometers are classic, visual refractometers and are used for the determination of the refractive index of liquid media of low or high viscosity. Atago brix concentration refractometers enables anyone to perform consistent accurate measurements with ease.
Operation manual for handheld refractometer for brix. Handheld refractometerbased measurement and excess permittivity analysis method for detection of diesel oils adulterated by kerosene in. Find here online price details of companies selling hand refractometer. Specifically designed for aquarium use for measuring the salinity of natural sea water. Digital handheld refractometers for onsite measurements of. That characteristic is represented by a value on a scale in units known as. 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. Almost all hand held salt water refractometers available to the hobby are designed and calibrated for the testing of brine solutions, i. Measuring range covers the most frequent substances of the pharmacy requirement. Refractometers with electronic temperature control. They work on the principle that light entering a prism has a. Such instruments do not measure concentration directly, although they. Universal handheld refractometer for refractive indices.
Benchtop instruments such as the abbe mark iii refractometer reichert, ny, usa and the standard abbe refractometer. Hand refractometers hand refractometer manufacturer from. All our products are developed by a team of adroit experts, following industry laid norms and guidelines. The various hand refractometers are categorized according to the type of measurement scale required. Hand held instrumentation xylem analytics australia. Hold the meter in the direction of light source calibration knob. 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. Refractometer hand held pal1 refractometer hand held. Close the daylight plate so the water spreads across the entire surface of the prism without air bubbles or dry spots. 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. Choose from our large selection of benchtop and handheld versions of abbe, brix, analog, and digital refractometers. 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.
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. Hr handheld refractometers can be used anywhere on the move. Brix refractometer brix and refractive index scales. Get info of suppliers, manufacturers, exporters, traders of hand refractometer for buying in india. The pal10s is a digital hand held refractometer that measures urine specific gravity.
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. Refractometer abbe, inline, brix, digital refractometers. Index instruments index instruments refractometers. Hand held refractometers are one of the most popular. Reichert hp handheld refractometer series brochure reading conversion determining percent concentration of samples rhino automatic temperature compensation feature why use a refractometer. They are very easy to use, very robust and do not require batteries. Refractometer there are two types of handheld refractometers. 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. For the contact lens practitioner, there are hand held instruments on the market fig. How to use a traditional handheld refractometer misco. Instructions for atc natural sea water refractometer hand held instrument for the measurement of salinity and specific gravity s. Refractometers handheld, analog and digital refractometers.
Once the refractometer is calibrated to zero with pure water, dry the surfaces with a clean cloth. Refractometers enjoy popularity in many applications, each of which has slightly different requirements for the instrument. 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. 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. Handheld refkeratometer handyrefk handheld refractometer. Measure sugar content in fruits, vegetables, juices, beverages, wine and beer. Open daylight plate, and place 23 drops of distilled water or standard solution on the prism. Shop online for a wide selection of laxco handheld digital brixri refractometer laxco handheld digital brix refractometers are portable, reliable and accurate.
They are lightweight and easily fit in a lab coat pocket. Atago 3810 pal1 digital hand held pocket refractometer, 0. It works on the critical angle principle by which lenses and prisms project a shadow line onto a small. Hand held refractometers are one of the most popular analytical devices.
A refractometer measures the bending of light as it passes through some material. Wholesale trader of refractometers erma japan erma japan hand refractometer, fructose digital refractometer offered by swastik scientific company, mumbai, maharashtra. Pdf handheld refractometerbased measurement and excess. Digital handheld refractometers for onsite measurements. Product documentation index instruments refractometers.
If the sample contains oils or fat, use isopropyl alcohol and water to clean the prism surface. Overview handheld refractometers pdf, 122 kb our service is. The opti refractometer may be used to control the dissolved solids or blend ratios of numerous products from fresh fruit to industrial chemicals. Some customers prefer the ease of use with the handheld digital refractometer model pa202 part no. Operation manual for handheld refractometer for brix making.
Handheld refractometer, determination of brix, determination of baume, determination of water content in honey, measurement range 5892 %brix, 3843 be. They are used in many places like in wine growing and wine making, both by professionals and amateurs, in beer brewing, in garages. 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 novatech international. Comparison of a digital and an optical analogue handheld. This new type of handheld refractometer is the first to be equipped with au tomatic temperature compensation and water resistantip65at the same time. To operate it, simply place a few drops of urine on the prism and press the start key. When light enters a dry prism, the field of view in an analog refractometer remains. The refractive index for a solution of a known substance can be used to calculate the concentration of that solution. There are two types of bench refractometers that are typically used in laboratory or industrial settings. This precision optical instrument should be handled gently. 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. Digital refractometer easy and convenient to use refractometers.
Refractometers erma japan erma japan hand refractometer. Kruss optronic digital handheld refractometers are ideal for mobile use and have a large measurement range. Apr 24, 2017 a refractometer measures the bending of light as it passes through some material. This instrument may be slightly less accurate than the model 10419 with some foam solutions as a result of digital rounding for displayed values. Tiaoyeer brix refractometer with atc digital handheld refractometer for beer wine fruit sugar, dual scalespecific gravity 1. Operation manual for hand held refractometer for brix measurement product layout 4.
The handyrefkhandyref will come in handy as a reliable partner that you can always count on. This phenomenon is known as refraction, and its measurement is called a refractive index. 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. How to use a traditional analog handheld refractometer different models of traditional analog refractometers have different internal scales on which to read fluid concentrations. Refractometers are used for the identification of substances and concentration measurement of fluids. 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. Wouldnt you want to be able to take an accurate measurement anytime and anywhere. Calibration should be made in an ambient environment of 20degree celsius. Reviewing the following tips should improve the accuracy and utility of sugar data in determining fruit maturity.
Refractometers from the premiere refractometer manufacturer, including. You can adjust the focus by twisting the eyepiece until the scale can be seen clearly. Expired lifetime application number us293,811 inventor werner hoelbl. Index instruments have been making refractometers since 1975 and offer a wealth of experience in this specialised field of scientific instrumentation. A solution containing sucrose placed on the prism surface will change the direction of the light significantly. They also describe techniques and troubleshooting methods to maximize the efficiency of the instruments. The aim of this study was to compare a digital and an optical analogue hand held refractometer. Technical data digital handheld refractometers pdf. Replace the plastic cap after adjusting the calibration screw to prevent water from entering the refractometer. 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. A refractometer takes the refraction angles and correlates them to refractive index nd values that have been established. Introduction soluble dissolved sugar or solids content ssc or brix is a measure of sweetness. Pure water placed on the refractometer should result in a reading of zero. You can achieve an excellent measurement with this compact body design with one hand.
504 481 1301 1092 499 1372 151 1172 1089 507 928 870 1480 499 645 398 73 1353 1210 387 485 228 230 412 1335 178 1401 1295 618 642 1322 625 215 662 703 24 248