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Refractometers

Instruments designed to measure a sample's refractive index or polarization of light; available in benchtop and portable sizes. Includes accessories and replacement parts.

Refractometers measure the change in the angle of light as it enters a transparent liquid or solid substance. Refractometers are commonly used to identify a material, determine its purity, or indicate the amount of a dissolved substance that it contains.

Lists of standard refractive indexes have been published to help users identify specific compounds or materials.

Refractometers also have different scales for specific purposes. For example, the Brix scale is used for measuring the sugar content of jams, marmalades, maple syrup, and honey. Refractometers are available in various Brix scales and may be calibrated specifically for glucose, maltose, fructose, and other sugars.

What Are Refractometers Used for?

Refractometers are used in a variety of industries and applications:

  • Laboratory medicine: Used to measure total proteins in blood samples and specific gravity in urine samples
  • Gemology: Used to identify gems
  • Aquariums: Measure water salinity and specific gravity
  • Industry: Measure coolant concentrations
  • Homebrewing: Measure fermentable sugars that will be converted to alcohol

Refractometers may be analog or digital and can be found in handheld or benchtop models. Refractometer replacement parts are also available.

Portable Refractometers (110)
Benchtop Refractometers (82)
Refractometer Replacement Parts (54)

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16 – 30 of 205 results
16

Laxco™ RBD 5000 Series Benchtop Automatic Digital Brix/RI Refractometer
GREENER_CHOICE SDP

Laxco™ RBD 5000 Series Automatic Benchtop Digital Refractometers deliver accuracy and repeatability. Features automatic performance monitoring warning system, internal data storage, GLP, and beautiful color touch screen.

Height (Metric) 150 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Width (English) 9.45 in.
Length (Metric) 360 mm
Length (English) 14.17 in.
Quantity 1
For Use With (Application) BRIX; Wine; Beverages; Foods; Industrial Fluids
Width (Metric) 240 mm
Includes Digital refractometer, calibration fluid, Applicator, Manual
Accuracy ±0.0002nD; ±0.1% Brix
Type Automatic Digital Benchtop Refractometer
Dimensions (L x W x H) 36 x 24 x 15 cm
Voltage 110/220 V
ScaleRange 0.0 to 100 Brix
Frequency 50/60 Hz
Refractive Index 1.3000 to 1.7000
Weight (English) 8.82 lb.
Interface RS232
Height (English) 5.91 in.
Weight (Metric) 4 kg
Display Touch Screen, Color, LCD
Resolution 0.0001nD
17

Laxco™ Handheld Analog Clinical Refractometer
GREENER_CHOICE SDP

When you need reliable, accurate readings of your Urine samples, the Laxco™ Analog Industrial Clinical Refractometers rugged design is built to last. With the ability to read Serum Protein, Specific Gravity and Refractive Index all on a single scale, it makes it the ideal choice.

Height (Metric) 39 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Width (English) 1.535 in.
Length (Metric) 204 mm
Length (English) 6.772 in.
Quantity 1
Sample Volume 1 mL
Calibration Distilled Water
For Use With (Application) Clinical
Width (Metric) 39 mm
Scale Type Linear
Includes Calibration Screw Driver, Hard Sided Case, Applicator, Calibration Fluid, Manual
Accuracy 0.002; 0.2 g/dl; 0.0005
Type Clinical Refractometer
Dimensions (L x W x H) 172 x 39 x 39 mm
IP Rating IP54
ScaleRange 1.000 to 1.050 Urine Specific Gravity,1 to 12 g/dl Serum Protein
Increments 0.002; 0.2 g/dl; 0.0005
Refractive Index 1.331 to 1.36
Weight (English) 0.881 lb.
Lighting Type Ambient
Height (English) 1.535 in.
Weight (Metric) 0.4 kg
Resolution 0.0005
18

Reichert™ Glycerin-Chek Digital Handheld Refractometer

Used to measure concentration of antifreeze formulation in wet fire sprinkler systems

Includes 2 AAA Batteries
Type Handheld Refractometer
Weight (English) 3.5 oz.
Certifications/Compliance IP65, RoHS, WEEE, CE
Lighting Type 589nm LED
Calibration Distilled Water
For Use With (Application) For measuring glycerin coolant freeze point, boiling point, % concentration
Weight (Metric) 100 g
19

Reichert™ Handheld Digital Refractometers

Big features and performance in a small package

Height (Metric) 26.9 mm
Width (English) 2.13 in.
Length (Metric) 99 mm
Length (English) 3.9 in.
Calibration Distilled Water
For Use With (Application) Easy to use and provide quick results
Width (Metric) 54.1 mm
Includes Meter, carrying case, batteries, instructions
Dimensions (L x W x H) 3.9 x 2.13 x 1.06 in. (99 x 54.1 x 26.9 mm)
Refractive Index 1.33 to 1.45
Weight (English) 3.5 oz.
Certifications/Compliance IP65, RoHS, WEEE, CE
Lighting Type 589nm LED
Height (English) 1.06 in.
Weight (Metric) 100 g
Display LCD
20

Reichert™ Salt-Chek Digital Handheld Refractometer

Automatic measurements with simple three button operation (Read, scale and cal.)

21

Reichert™ Industrial Fluid Testing Refractometers

Designed specifically for checking ratio or concentration of water-soluble industrial fluids

22

Reichert™ Refractometer Table Stand: Replacement Bulb

Fits table stand for Goldberg handheld refractometers.

23

Reichert™ NIST Certified Calibration Oil

Check the accuracy of an instrument using calibration oils. Reichert™ NIST Certified Calibration Oil are formulated laser liquid calibration oils that are supplied with an NIST certification of traceability.

Includes NIST certification of traceability
Type NIST Certified Calibration Oil
For Use With (Equipment) Refractometer
24

Laxco™ 60° Brix Calibration Fluid for Handheld Analog Refractometers
GREENER_CHOICE SDP

Used to Calibrate Handheld Analog Brix Refractometers

25

Fisherbrand™ Handheld Digital Salinity Refractometer
GREENER_CHOICE SDP

Fisherbrand™ Handheld Digital Salinity Refractometers are portable, reliable and accurate. Ideal for checking the salinity of an aquarium or sodium concentrations

Height (Metric) 121 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Width (English) 2.28 in.
Length (Metric) 25 mm
Length (English) 4.76 in.
Quantity 1
Sample Volume >0.2 mL
Power Supply Details 1xAAA Battery
Calibration Distilled water
Width (Metric) 58 mm
Measurement Time 2 sec.
Type Refractometer
Temperature Compensation Yes
Dimensions (L x W x H) 25 x 58 x 121 mm
IP Rating IP65
Refractive Index 1.330 to 1.4200
Weight (English) 0.2 lb.
Lighting Type LED
Temperature Range (Metric) 0°C to 40°C
Temperature Resolution 0.1°C
Height (English) 0.98 in.
Weight (Metric) 90 g
Display LCD
26

Fisherbrand™ Handheld Digital Wine Refractometer
GREENER_CHOICE SDP

Fisherbrand™ Handheld Digital Wine Refractometers are portable, reliable and accurate to ensure wine has correct alcohol concentration.

27

Fisherbrand™ Handheld Digital Clinical Refractometer
GREENER_CHOICE SDP

Fisherbrand™ Handheld Digital Clinical Refractometers are portable, reliable and accurate for fast, reliable results to determine dehydration or total plasma protein levels in blood.

28

Mettler Toledo™ MyBrix Handheld Refractometer

This Handheld Refractometer performs an instant sugar analysis in almost any food and beverage sample. Equipped with 10 scales. Take a Brix reading or refractive index measurement and receive the results in just two seconds.

Type Handheld Digital Refractometer
Refractive Index 1.33 to 1.54
Measurement Time 2 sec.
Display 1.8 in. Digital LCD
29

Laxco™ Benchtop Digital Brix/RI Refractometer
GREENER_CHOICE SDP

Laxco™ Benchtop Digital Brix Refractometers brings measuring of Brix & RI to a high degree of accuracy, with the ability through its GIBO software to track, measure, graph, & export data.

Height (Metric) 100 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Temperature Accuracy 0°C to 40°C
Width (English) 7.09 in.
Length (Metric) 55 mm
Length (English) 2.17 in.
Quantity 1
For Use With (Application) BRIX; Wine; Beverages; Foods; Industrial Fluids
Width (Metric) 180 mm
Measurement Time 2 sec.
Includes Digital refractometer, prism cover, calibration fluid, hard shell case, battery, Applicator, GIBO software, Manual
Accuracy Brix ±0.2%; Refective Index ±0.0003nD
Dimensions (L x W x H) 55 x 180 x 100 mm
Weight (English) 0.8 lb.
Interface USB
Height (English) 3.94 in.
Weight (Metric) 365 g
Display 5 in. LCD Display
Resolution 0.0001nD
30

Laxco™ Handheld Analog Brix/Sucrose Refractometer
GREENER_CHOICE SDP

When you need reliable, accurate readings of your sugar or sucrose levels, the Laxco™ Analog Industrial Brrix Refractometers rugged design is built to last. A wide range of brix options makes it the ideal choice.

Height (Metric) 39 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Width (English) 1.535 in.
Length (English) 8.031 in.
Quantity 1
Sample Volume 1 mL
For Use With (Application) BRIX; Wine; Beverages; Foods; Industrial Fluids
Width (Metric) 39 mm
Includes Calibration Screw Driver, Hard Sided Case, Applicator, Calibration Fluid, Manual
Dimensions (L x W x H) 204 x 39 x 39 mm
IP Rating IP54
Weight (English) 0.881 lb.
Lighting Type Ambient
Height (English) 1.535 in.
Weight (Metric) 0.4 kg