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Refractometers

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 (117)
Benchtop Refractometers (65)
Refractometer Replacement Parts (54)

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1 – 15 of 194 results
1

Fisherbrand™ Handheld Analog Brix/Sucrose Refractometer
SDP GREENER_CHOICE

When you need reliable, accurate readings of your sugar or sucrose levels, the Fisherbrand™ Analog Brix Refractometers delivers value with a range of brix options

EDGE
Height (Metric) 39 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Width (English) 1.535 in.
Quantity 1
Sample Volume 1 mL
Calibration Distilled Water
For Use With (Application) BRIX; Wine; Beverages; Foods; Industrial Fluids
Width (Metric) 39 mm
Scale Type Brix
Includes Calibration Screw Driver, Soft sided case, Applicator, Manual
Type Refractometer
IP Rating IP54
Weight (English) 0.881 lb.
Lighting Type Ambient
Height (English) 1.535 in.
Weight (Metric) 0.4 kg
Resolution ±0.1°
2

Fisherbrand™ Handheld Analog Refractometer Daylight Plate Replacement Assembly
SDP GREENER_CHOICE

Replacement Daylight Plate with Collar for all Fisherbrand™ Handheld Analog Refractometer

EDGE
3

Fisherbrand™ Handheld Digital Brix/RI Refractometer
SDP GREENER_CHOICE

Fisherbrand™ Handheld Digital Brix Refractometers are portable, reliable and accurate. Whether you are checking sugar or sucrose concentrations you can rest assured you are getting an accurate reading.

Height (Metric) 121 mm
Warranty 5 years optical and mechanical, 1 year electrical from date of purchase
Length (English) 4.76 in.
Quantity 1
Sample Volume >0.2 mL
Power Supply Details 1xAAA Battery
Measurement Time 2 sec.
Accuracy Brix ±0.2%; Refective Index ±0.0003nD
Type Refractometer
Temperature Compensation Yes
Dimensions (L x W x H) 25 x 58 x 121 mm
IP Rating IP65
Increments Brix 0.1%; RI 0.0001nD
Weight (English) 0.2 lb.
Temperature Range (Metric) 0°C to 40°C
Temperature Resolution 0.1°C
Height (English) 0.98 in.
Weight (Metric) 90 g
Resolution Brix 0.1%; RI 0.0001nD
4

Fisherbrand™ Handheld Digital Wine Refractometer
SDP GREENER_CHOICE

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

5

Fisherbrand™ Handheld Analog Automotive Refractometer
SDP GREENER_CHOICE

When you need reliable, accurate readings of your Battery Fluid or Antifreeze, the Fisherbrand™ Analog Automotive Refractometers delivers the value with ability to ready Ethylene, Propylene, and Battery Fluid measurements on one scale.

6

Fisherbrand™ Handheld Analog Salinity Refractometer
SDP GREENER_CHOICE

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.

7

Fisherbrand™ Handheld Analog Clinical Refractometer
SDP GREENER_CHOICE

When you need reliable, accurate readings of your Urine samples, the Fisherbrand™ Analog Clinical Refractometers delivers the value with the ability to read Serum Protein, Specific Gravity and Refractive Index all on a single scale.

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, Soft sided case, Applicator, 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
8

Fisherbrand™ Handheld Digital Honey Refractometer
SDP GREENER_CHOICE

Fisherbrand™ Handheld Digital honey Refractometers are portable, reliable and accurate for harvesting honey

9

Fisherbrand™ Handheld Digital Clinical Refractometer
SDP GREENER_CHOICE

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

10

Fisherbrand™ Handheld Digital Salinity Refractometer
SDP GREENER_CHOICE

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
11

Laxco™ Benchtop Digital Brix/RI Refractometer
SDP GREENER_CHOICE

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
12

Laxco™ Handheld Analog Brix/Sucrose Refractometer
SDP GREENER_CHOICE

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
13

Laxco™ Handheld Digital Refractometer
SDP GREENER_CHOICE

Laxco™ Handheld Digital Refractometers are portable, reliable and accurate. Insure the correct alcohol concentration, every time

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.
Scale Type Linear
Includes Digital refractometer, Rubber grip, prism cover, calibration fluid, hard shell case, battery, Applicator, Manual
Type Refractometer
Temperature Compensation Yes
Dimensions (L x W x H) 25 x 58 x 121 mm
IP Rating IP65
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
14

Laxco™ Handheld Digital Brix/RI Refractometer
SDP GREENER_CHOICE

Laxco™ Handheld Digital Brix Refractometers are portable, reliable and accurate. Ideal for checking sugar or sucrose 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.
Includes Digital refractometer, Rubber grip, Prism cover, Calibration fluid, Hard shell case, Battery, Applicator, Manual
Accuracy Brix ±0.2%; Refective Index ±0.0003nD
Type Refractometer
Temperature Compensation Yes
Dimensions (L x W x H) 25 x 58 x 121 mm
IP Rating IP65
Increments Brix 0.1%; RI 0.0001nD
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
15
Promotions Available

METTLER TOLEDO™ Refracto™ 30GS Portable Refractometer

The handheld digital refractometer returns accurate and precise results within seconds, displayed in the units of measurement needed. Offers an extended measuring range due to its special prism design. Used for measurements in laboratory and production environments.