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E-LINE "ECONOMY" OPTICAL REFRACTOMETER
Low cost optical refractometers for hobbyists and small to medium sized businesses.
Optical refractometers,Optical refractometer FEATURES:
  • Low cost
  • Selection of ranges
  • ATC models temperature compensated
To Order Call 1-800-876-1172
Optical Refractometer Options & Prices
On this page:

. Optical Refractometers Product Description
. Optical Refractometer Specifications
. Optical Refractometer Options & Prices

Downloads (PDF):

. Optical Refractometer Brochure
. ATC Optical Refractometers Manual
. Dual Scale Optical Refractometers Manual
. Gemological Optical Refractometers Manual

Additional Information:

. Optical refractometer selection guide
. Optical refractometer use in water-in-honey measurements
. Optical refractometer use in root vegetable sugar measurements
. Optical refractometer use in salinity measurements
. Optical refractometer use in aviation applications
. Optical Refractometer Overview
. Optical Refractometer Product Support

Optical Refractometers Product Description
The low cost models within the E-line range of handheld optical refractometers are specifically suited for light industrial use within small to medium sized businesses and by hobbyists handling fruit, beverages, confectionery, jam, honey (see water-in-honey measurements) and other sugar based products as well as for calculating concentration or blend ratios of heat transfer fluids like glycol, antifreeze, cutting fluids and quenchants.

E-line ATC (Automatic Temperature Compensation) optical refractometers
The E-line ATC optical refractometers are particularly suited for testing semi-solid substances such as apples, melons, grapes sugar beet and potatoes during the harvest period in order to establish fruit ripeness. Juice from the product may be squeezed onto the optical refractometer's prism surface or alternatively a slice 2mm thick may be placed on the prism surface for direct reading of sugar content.

These optical refractometers feature an internal device that corrects for temperature (ATC) making the measurement fast and accurate.  The optical refractometers will automatically take into account any difference in temperature over the range 10-30°C from the industry standard reference temperature of 20°C.

Brewers E-line ATC economy optical refractometer
This dual scale, Brix (°Plato) and Wort Specific Gravity (SG), ATC optical refractometer model was specially designed for the measurement of Wort prior to fermentation.  Brewers using an e-line optical refractometer benefit considerably when compared to conventional hydrometer use for testing wort concentration as they are far easier to handle in wet brew-house conditions and only require the smallest amount of sample to achieve accurate results.  The optical refractometer's SG scale is based on pure sucrose.  As most beer recipes are likely to have been formulated using a hydrometer, it may be necessary to apply a small offset to the optical refractometer for each beer type to negate the effects of the other "non-sugar" ingredients in the Wort.  Initial side-by-side comparison of Wort SG obtained by your optical refractometer and hydrometer will soon establish if any offsetting is required.

All E-line ATC optical refractometers are constructed from alloy with an outer sheath of rubber to prevent heat entering the instrument from the operator's hand.  The optical refractometers are supplied in a hard case with a 12-month warranty.

Adblue® optical refractometers
In an effort to reduce environmental pollution, the European Union has established certain regulation 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 fuel additive.

Adblue® is one such additive that is stored as a concentration in a separate tank to the fuel prior to mixing.  In order to maintain efficiency and to be sure that systems are not compromised, it is essential that the concentration is accurately maintained.  Measuring devices such as the E-line ATC Automotive (Adblue®) optical refractometers may perform such checks.

E-Line 80 Optical Refractometer
The E-Line 80 is a dual scale Brix optical refractometer ideal for use in the food industry and other applications requiring concentration measurements over a wide measuring range up to 80° Brix (%weight sucrose).

These optical refractometers are of all metal construction with range selection being made by a simple rotary control on the instrument barrel.  The E-Line 80 optical refractometers are calibrated to read accurately at 20°C. Readings can be taken at any other temperature by applying a correction factor or by adjusting the °zero calibration screw on the optical refractometer to offset the effects of temperature compared to the reading of water.

These optical refractometers are constructed from alloy and they are supplied in a hard case with a 12-month warranty.

E-line Gemological Optical Refractometers
Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones.

The E-Line Gemological optical refractometer is a low cost, lightweight measuring instrument used by jewelers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI.  The optical refractometer can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial).

The gemological optical refractometer is made of painted durable alloy and is supplied with an illuminating device, polarizing filter and instruction manual.
Optical Refractometers Specifications
Part Number: Type: Range: Division:
44-801 Sugar % (Brix) ATC 0 to 10 0.1
44-802 Sugar % (Brix) ATC 0 to 18 0.1
44-803 Sugar % (Brix) ATC 0 to 32 0.2
44-804 Sugar % (Brix) ATC 28 to 62 0.2
44-805 Sugar % (Brix) ATC 45 to 82 0.5
44-812 Water-in-Honey 10 to 30 0.1
44-823 Brewing - Wort SG ATC
Sugar % (Brix) ATC
1.000 to 1.120
0 to 32
0.005
0.2
44-809 Wine - % Mass (°Brix)
     - Alcohol Probable
0 to 40
0 to 25
0.2
0.2
44-817 Wine - % Mass (°Brix)
     - Oechsle D
0 to 32
0 to 140 OeD
0.2
1.0
44-818 Wine - % Mass (°Brix)
     - Oechsle
     - Babo (KMW)
0 to 32
0 to 140 Oe
0 to 27
0.2
1.0
0.2
44-819 Wine - °Baumé
     - Alcohol Probable
0 to 20
0 to 25
0.2
0.2
44-808 Aquatic - Salinity (% PPT)
     - Saline SG
0 to 100
1.000 to 1.070
1.0
0.001
44-820 Glycol Heat Transfer
     - EG/PG °C protection
     - EG/PG % vol/vol

0 to -50°C
0 to 70%

5°C
5.0
44-821 Automotive
     - EG/PG °C protection
     - Battery SG
     - Windscreen °C

0 to -50°C
1.10 to 1.40
0 to -40°C

5°C
0.01
5.0°C
44-822 Automotive - Adblue®
     - EG/PG °C protection
     - Battery SG
     - Windscreen °C
30 to 35%
0 to -50°C
1.10 to 1.40
0 to -40°C
0.5
5.0°C
0.01
5.0°C
44-825 Veterinary
     - Serum Protein g/100ml
     - Refractive Index
     - Urine SG

0 to 12
1.335 to 1.360
1.000 to 1.050

0.2
0.0005
0.005
44-828 Refractive Index (RI) 1.30 to 1.38 0.0001
44-829 Refractive Index (RI) 1.435 to 1.520 0.001
44-807 E-line 80 - °Brix (Scale One)
     - °Brix (Scale Two)
0 to 50
50 to 80
1 (Min)
1 (Min)
44-861 Gemological - Refractive Index (RI) 1.30 to 1.81 0.01
Optical Refractometers Options & Prices
Prices listed are for United States and Canada only.  Call or e-mail us for pricing in other countries.
Terms and Conditions

Optical refractometer selection guide

E-line ATC Optical Refractometer: 0-10 °Brix (PN# 44-801)
Ideal for many applications including fruit ripeness, food, beverage, and industrial cutting fluids.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: 0-18 °Brix (PN# 44-802)
Ideal for many applications including fruit ripeness, food, beverage, and industrial cutting fluids.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: 0-32 °Brix (PN# 44-803)
Ideal for many applications including fruit ripeness, food, beverage, industrial cutting fluids, and colostrum levels in mothers milk.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: 28-62 °Brix (PN# 44-804)
Ideal for many applications including high sugar fruits, syrups, chutneys, diabetic (low sugar) jams, and tomato paste.  Includes carrying case and pipette.  Please note that the total sugars in a traditional jam or marmalade (i.e. not low sugar) is between 63 and 68 Brix, dictating the need to use the higher range model, PN# 44-805.  Special calibration fluids (accurate sugar solutions) or solid test plates are needed to verify the calibration because water is off-scale.
Pricing
E-line ATC Optical Refractometer: 45-82 °Brix (PN# 44-805)
Ideal for measuring high sugar content products such as jams, marmalades, beverage concentrates, fruit pulps, sugar syrups, and other similar products.  Includes carrying case and pipette.  Special calibration fluids (accurate sugar solutions) or solid test plates are needed to verify the calibration because water is off-scale.
Pricing
E-line ATC Optical Refractometer: Water-in-Honey (PN# 44-812)
Economy honey optical refractometer designed to control the quality of fresh honey (see water-in-honey measurements).  Being a low cost version it's ideal for the bee keeping industry.  Includes carrying case and pipette.  For percent water in honey temperature correction table (see Optical Refractometer Water in Honey Table).
Pricing
E-line ATC Optical Refractometer: Brewing - Wort SG (PN# 44-823)
Brewers optical refractometer for the measurement of "Wort" (beer) contained the "Mash Tun" (vessel) prior to fermentation.  The SG scale is based on pure sucrose and, as beer recipes are likely to have been formulated using a hydrometer, it may be necessary to apply a small offset for each beer type to negate the effects of other ingredients in the Wort that are not pure sugar.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: Wine - 0-40 % Mass (°Brix) and 0-25 Alcohol Probable (A.P.) (PN# 44-809)
The Brix scale expresses the grape must (juice) as sucrose percent by weight whilst the alternative Probable Alcohol scale expresses the same information as an estimate of the alcohol content of the wine at the end of the fermentation process.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: Wine - 0-40 % Mass (°Brix) and 0-140 Oechsle D (PN# 44-817)
Incorporates the German Oecshle and 0-30 Brix scale to monitor grape ripeness and optimum harvest time.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: Wine - 0-32 % Mass (°Brix), 0-140 Oechsle, and 0-27 Babo (KMW) (PN# 44-818)
Incorporates three wine scales in one instrument, making grape must assessment more practical for auditors covering a large geographical area where a number of different scales are adopted.  Includes carrying case and pipette.  The Babo scale is also used for determining the sugar content of grape must and is used mainly in Austria.
Pricing
E-line ATC Optical Refractometer: Wine - 0-20 Baumé and 0-25 Alcohol Probable (A.P.) (PN# 44-819)
Displays two industry specific scales used in the wine industry to express the ripeness of grapes at point of harvest.  The Baumê scale is used in differing regions of France, Spain, and Australia to provide payment factors based on grape must (juice) sugar content, whereas the alternative Probable Alcohol scale expresses the same information as an estimate of the alcohol content of the wine at the end of the fermentation process and is commonly used in France and in the north-east regions of Spain.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: Aquatic - Salinity % (PPT) and Specific Gravity (PN# 44-808)
Dual scale optical refractometer for use in seawater de-salination operations possible on ships, and again in the oil industry where seawater is used to prepare drilling fluids.  This optical refractometer is also ideal for amateur aquatic aquariums and fish farming applications.  It also incorporates a SG scale specifically designed for seawater.  Includes carrying case and pipette.  See salinity application.
Pricing
E-line ATC Optical Refractometer: Glycol Heat Transfer (PN# 44-820)
Ideal for the measurment in % Vol. of antifreeze (Ethyene and Propylene Glycol) in the automotive and heating industry for industrial heat exchangers, pasteurisers, and heat flow systems.
Pricing
E-line ATC Optical Refractometer: Automotive (PN# 44-821)
Ideal for use within the automotive industry as it incorporates three scale 1.10 to 1.40 battery acid S.G., Ethylene glycol 0 to -50°C freezing point, and SRF1 screen wash 0 to -40°C.
Pricing
E-line ATC Optical Refractometer: Automotive (Adblue®) (PN# 44-822)
Ideal for use within the automotive industry as it incorporates four scales, 30-35% Adblue®, 1.10 to 1.40 battery acid S.G., Ethylene glycol 0 to -50°C freezing point, and SRF1 screen wash 0 to -40°C.
Pricing
E-line ATC Optical Refractometer: Veterinary (PN# 44-825)
This optical refractometer is mainly used by veterinarians for testing blood and urine.  The optical refractometers measure directly in terms of Urine SG, refractive index and serum protein.  Refractometers are widely used for VET applications, as sample volume and supply can be difficult to obtain.
Pricing
E-line ATC Optical Refractometer: Refractive Index 1.38 (PN# 44-828)
This optical refractometer can be used for any application, providing the user knows the relationship between refractive index and the parameter in which they are interested in.  The scale is used for scientific purposes and where there is no other convenient scale available.  This optical refractometer is primary designed to measure samples with low concentrations, such as detergents, surfactants, fertilizers, screen wash, certain chemicals, and glycols.  Includes carrying case and pipette.
Pricing
E-line ATC Optical Refractometer: Refractive Index 1.520 (PN# 44-829)
Similar to the 44-828 optical refractometer but designed to measure samples with higher concentrations, such as flavours, essences and chemicals.  Can be very useful where the application requires on the spot checks in chemical processing plants.  Includes carrying case and pipette.
Pricing
E-line 80 Optical Refractometer: 0-80 dual scale °Brix (PN# 44-807)
Ideal for users wishing to make readings over a wide range of sugar products without the need to use two "traditional" instruments.
Pricing Dual scale Brix optical refractometer
E-line Gemological Optical Refractometer (PN# 44-861)
Ideal for jewellers and traders of gemstones to identify and authenticate polished precious and semi-precious gemstones over a refractive index range of 1.30 to 1.81 RI.  Includes carrying case, polariser, and illuminator.
Pricing Gemological optical refractometer
OPTICAL REFRACTOMETER CALIBRATION ACCESSORIES
High Range Optical Refractometer Test Plate (PN# 72-200)
For use with PN# 44-805 and requires contact liquid.  Silica, RI @ 20° 1.45839, °Brix @ 20°C 67.1
Pricing
High Range Optical Refractometer Test Plate (PN# 72-207)
For use with PN# 44-805 and requires contact liquid.  Glass, RI @ 20° 1.48760, °Brix @ 20°C 78.8 (19.6% W/H)
Pricing
High Range Optical Refractometer Sucrose Fluid (PN# Varies)
Sucrose solutions are manufactured on a %weight/weight basis and are calibrated in accordance with EN ISO/IEC 17025:2005.  A number of concentrations are available up to a maximum of 60° Brix, all traceable to NIST and ICUMSA and are supplied with a Certificate of Calibration.
Pricing
GEMOLOGICAL OPTICAL REFRACTOMETER CONTACT LIQUIDS
High Range Optical Refractometer Contact Liquid (PN# 10-43)
Monobromonaphthalene, Refractive index value - 1.65
Pricing
High Range Optical Refractometer Contact Liquid (PN# 10-61)
Methyl Iodide (3ml), Refractive index value - 1.74
Pricing
High Range Optical Refractometer Contact Liquid (PN# 10-62)
Sulphated methyliodide (10ml), Refractive index value - 1.79
Pricing
OPTICAL REFRACTOMETER SPARE PARTS
E-line ATC Optical Refractometer Flaps (PN# 44-881)
Pack of 5 replacement flaps.
Pricing
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