Laboratory Refractometer

Labotronics refractometer is a laboratory instrument used to measure the refractive index of a substance, which indicates how much light is bent as it passes through that material. This bending of light, known as refraction, is related to the substance's concentration and composition. In a typical handheld refractometer, a sample is placed on a prism, and the device measures the angle at which light passes through the sample. By comparing this angle to a reference scale, refractometers determine the refractive index, which can be used to deduce properties such as the concentration of solutes in solutions, the sugar content in beverages, or the quality of oils and chemicals. Our versatile instruments are widely used in industries like food and beverage, pharmaceuticals, and automotive to ensure product quality and consistency, and they are particularly valuable in applications where precision measurements are critical.

Abbe Refractometer AdblueUrea Refractometer Alcohol & Grape Refractometer Beer Brewing refractometer Benchtop Refractometer Brix Refractometer Clinical refractometer Emulsion oil Refractometer Fluid Refractometer Honey refractometer Industrial Fluid Refractometer Milk Refractometer Oechsle & Brix Refractometer Portable Refractometers Salinity refractometer Soya Bean Milk Refractometer
Abbe Refractometer LB-10ABBE

Abbe Refractometer LB-10ABBE

Measuring range Refractive index: 1.3000 nD ~ 1.7000 nD
Brix: 0 % ~ 95 %
Magnification of telescope objective 2 X
Magnification of reading objective 22 X
Dimensions 270 × 180 × 370 mm
Adblue Refractometer LB-10AUR

Adblue Refractometer LB-10AUR

Measurement Range 0 % ~ 40 %
Minimum division 0.002
Accuracy ± 0.2 %
Beer refractometer LB-10BBR

Beer refractometer LB-10BBR

Measurement range Brix:0 % - 32 %
Wort SG:1.000-1.120
Minimum division Brix: 0.1 %
Wort SG: 0.001sg
Accuracy Brix: 0.1 %
Wort SG: 0.001sg
Dimension 30 × 40 × 170 mm
Clinical refractometers LB-10CRR

Clinical refractometers LB-10CRR

Measurement range 0 ~ 12 g / dl
1.000 ~ 1.050 sg
1.3300 RI ~ 1.3600 RI
Minimum division 0.2 g / dl
0.005 sg
0.0005 RI
Accuracy ± 0.2 g/ dl
± 0.005 sg
± 0.0005 RI
Length 160 mm
Emulsion oil refractometer LB-10EOR

Emulsion oil refractometer LB-10EOR

Measurement range 0 % ~ 15 % M-10
0 ~ 15 % MDT
Minimum division 0.5 %
0.5 %
Accuracy ± 0.1 %
± 0.001 RI
Length 30 × 40 × 170 mm
Fluids Refractometers LB-10FRR

Fluids Refractometers LB-10FRR

Measurement Range Ethylene Glycol : -50°C to 0°C
Propylene Glycol : -50°C to 0°C
Battery Fluids : 1.100 to 1.400 sg
Minimum division Ethylene Glycol : 1°C
Propylene Glycol : 1°C
Battery Fluids : 0.01sg
Accuracy Ethylene Glycol : ± 1 °C
Propylene Glycol : ± 1 °C
Battery Fluids : ± 0.01 sg
Length 200 mm
Milk refractometers LB-10MMR

Milk refractometers LB-10MMR

Measurement range 0 % ~ 20 % milk
Minimum division 0.2 % milk
Accuracy ± 0.1 %
Dimension 30 x 40 x 160 mm
Oechsle & brix refractometers LB-10OBR
Measurement range 0 - 140 °Oe
0 - 25 KMW
0 – 32 % Brix
Minimum division 1°Oe 0.2KMW 0.2 % Brix
Accuracy ± 1°Oe
± 0.2KMW
± 0.2 % Brix
Length 200 mm
Portable Refractometer LB-10PDR

Portable Refractometer LB-10PDR

Brix range 0 % ~ 35 %
Refractive index range 1.333 ~ 1.3900
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Refractometer LB-10RFM

Refractometer LB-10RFM

Measuring range 1.3000 Nd ~ 1.7000 Nd
Stability of temperature control RT
Temperature control range RT
Sugar range (brix degrees) 0 ~ 100 %
Soya bean milk refractometer LB-10SMR
Measurement Range 0 % ~ 32 % Brix
0 % ~ 25 % Bean juice
Minimum Division 0 % ~ 32 % Brix
0 % ~ 25 % Bean juice
Accuracy ± 0.2 %
± 0.5 %
Dimensions 30 x 40 x 160 mm
Abbe Refractometer LB-11ABBE

Abbe Refractometer LB-11ABBE

Measuring range Refractive index: 1.3000 nD ~ 1.7000 nD
Brix: 0 % ~ 95 %
Magnification of telescope objective 2 X
Magnification of reading objective 22 X
Dimensions 240 × 200 × 390 mm
Clinical refractometers LB-11CRR

Clinical refractometers LB-11CRR

Measurement range 0~12 g / dl
1.000~1.050 sg
Minimum division 0.2 g /dl
0.002 sg
Accuracy ± 0.2 g/ dl
± 0.002 sg
Length 160 mm
Fluids Refractometers LB-11FRR

Fluids Refractometers LB-11FRR

Measurement Range Ethylene Glycol : -60°C to 0°C (0-66.6 %)
Propylene Glycol : -50°C to 0°C (0-62.4 %)
Battery Fluids : 1.100 to 1.400 sg
Minimum division Ethylene Glycol : 5°C
Propylene Glycol : 5°C
Battery Fluids : 0.01sg
Accuracy Ethylene Glycol : 5°C
Propylene Glycol : 5°C
Battery Fluids : 0.01sg
Length 200 mm
Oechsle & brix refractometers LB-11OBR
Measurement range 0 - 140 °Oe
0 – 32 % Brix
Minimum division 1°Oe
0.2 % Brix
Accuracy ± 1°Oe
± 0.2 % Brix
Length 200 mm
Portable Refractometer LB-11PDR

Portable Refractometer LB-11PDR

Brix range 0 % ~ 45 %
Refractive index range 1.333 ~ 1.4098
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Refractometer LB-11RFM

Refractometer LB-11RFM

Measuring range 1.3000 Nd ~ 1.7000 Nd
Stability of temperature control ± 0.03 ℃
Temperature control Built-in semiconductor
Temperature control range 5 ℃ ~ 65 ℃
Oechsle & brix refractometers LB-12OBR
Measurement range 30 - 140 °Oe
0 – 32 % Brix
Minimum division 1°Oe
0.2 % Brix
Accuracy ± 1°Oe
± 0.2 % Brix
Length 200 mm
Portable Refractometer LB-12PDR

Portable Refractometer LB-12PDR

Brix range 28 % ~ 65 %
Refractive index range 1.377 ~ 1.4535
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Refractometer LB-12RFM

Refractometer LB-12RFM

Measuring range 1.30000 Nd ~ 1.70000 Nd
Stability of temperature control ± 0.02 ℃
Temperature control Built-in semiconductor
Temperature control range 5 ℃ ~ 65 ℃
Fluids Refractometers LB-13FRR

Fluids Refractometers LB-13FRR

Measurement Range Ethylene Glycol : -60 °F to 32 °F/-50°C to 0 °C
Propylene : -60°F to 32 °F /-50°C to 0 °C
Battery Fluids : 1.10-1.40 sg
Minimum division Ethylene Glycol : 10°F/ 5°C
Propylene : 10°F/ 5°C
Battery Fluids : 0.01sg
Accuracy Ethylene Glycol : ± 10 °F/± 5 °C
Propylene Glycol : ± 10 °F/± 5 °C
Battery Fluids : ± 0.01 sg
Length 200 mm
Oechsle & brix refractometers LB-13OBR
Measurement range 0 - 190 °Oe
0 - 38 KMW
0 – 44 % Brix
Minimum division 2°Oe
0.2KMW
0.5 % Brix
Accuracy ± 2°Oe
± 0.2 KMW
± 0.5 % Brix
Length 200 mm
Portable Refractometer LB-13PDR

Portable Refractometer LB-13PDR

Brix range 58 % ~ 92 %
Refractive index range 1.4370 ~ 1.5233
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Refractometer LB-13RFM

Refractometer LB-13RFM

Measuring range 1.30000 Nd ~ 1.70000 Nd
Stability of temperature control ± 0.01 ℃
Temperature control Built-in semiconductor
Temperature control range 5 ℃ ~ 90 ℃
Fluids Refractometers LB-14FRR

Fluids Refractometers LB-14FRR

Measurement Range Ethylene Glycol : -50°C to 0 °C
Propylene : -50°C to 0 °C
C : -40°C to 0 °C
Battery Fluids : 1.100 to 1.400 sg
Minimum division Ethylene Glycol : 1°C
Propylene : 1°C
C : 5 °C
Battery Fluids : 0.01sg
Accuracy Ethylene Glycol : ± 1 °C
Propylene Glycol : ± 1 °C
C : ± 5 °C
Battery Fluids : ± 0.01 sg
Length 200 mm
Portable Refractometer LB-14PDR

Portable Refractometer LB-14PDR

Brix range 58 % ~ 92 %
°B’e range 38 ~ 43
Water range 17 ~ 27
Refractive index range 1.4370 ~ 1.5233
Fluids Refractometers LB-15FRR

Fluids Refractometers LB-15FRR

Measurement Range Ethylene Glycol : -50°C to 0 °C
Propylene : -50°C to 0 °C
C : -40°C to 0 °C
Battery Fluids : 1.100 to 1.400 sg
Minimum division Ethylene Glycol : 1°C
Propylene : 1°C
C : 5 °C
Battery Fluids : 0.01sg
Accuracy Ethylene Glycol : ± 1 °C
Propylene Glycol : ± 1 °C
C : ± 5 °C
Battery Fluids : ± 0.01 sg
Length 200 mm
Portable Refractometer LB-15PDR

Portable Refractometer LB-15PDR

Salinity range 0 % ~ 28 %
Refractive index range 1.4370 ~ 1.5233
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Fluids Refractometers LB-16FRR

Fluids Refractometers LB-16FRR

Measurement Range D : 0 to 100% Density
Ethylene Glycol : -60°C to 0 °C
Battery Fluids : 1.100 to 1.400 sg
Minimum division D : 0.05
Ethylene Glycol : 5 °C
Battery Fluids : 0.01sg
Accuracy D : ± 5 %
Ethylene Glycol : ± 5 °C
Battery Fluids : ± 0.01 sg
Length 200 mm
Portable Refractometer LB-16PDR

Portable Refractometer LB-16PDR

Brix range 0 % ~ 35 %
Salinity range 0 % ~ 28 %
Refractive index range 1.4370 ~ 1.5233
Temperature range 0 °C ~ 40 °C
Fluids Refractometers LB-17FRR

Fluids Refractometers LB-17FRR

Measurement Range Urea : 30 % to 35%
Ethylene Glycol : -50°C to 0 °C
Propylene Glycol : -50°C to 0 °C
Cleaning Fluids : -40℃ to10 ℃
Battery Fluids : 1.100 to 1.400 sg
Minimum division Urea : 0.5 °C
Ethylene Glycol : 5 °C
Propylene Glycol : 5 °C
Cleaning Fluids : 5 °C
Battery Fluids : 0.01 sg
Accuracy Urea : ± 0.5 °C
Ethylene Glycol : ± 5 °C
Propylene Glycol : ± 5 °C
Cleaning Fluids : ± 5 °C
Battery Fluids : ±0.01sg
Length 200 mm
Portable Refractometer LB-17PDR

Portable Refractometer LB-17PDR

Serum 0 g/dL ~ 12 g/dL
Urine 1.000 ~ 1.050
Refractive index range 1.3330 ~ 1.3900
Temperature range 0 °C ~ 40 °C
Portable Refractometer LB-18PDR

Portable Refractometer LB-18PDR

Serum 0 g/dL ~ 14 g/dL
Urine 1.000 ~ 1.050
Refractive index range 1.3330 ~ 1.3900
Temperature range 0 °C ~ 40 °C
Portable Refractometer LB-19PDR

Portable Refractometer LB-19PDR

Alcohol measuring range 0 % ~ 60 % v/v
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Alcohol minimum reading 0.1
Abbe Refractometer LB-20ABBE

Abbe Refractometer LB-20ABBE

Measuring range Refractive index: 1.30000 nD ~ 1.70000 nD
Brix: 0 % ~ 100 %
Measuring accuracy Refractive index: ± 0.0002 %
Brix: ± 0.1 %
Temperature range 0 °C ~ 50 °C
Brix temperature correcting range 15 °C ~ 45 °C
Portable Refractometer LB-20PDR

Portable Refractometer LB-20PDR

Alcohol measuring range 0 % ~ 60 % v/v
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Alcohol minimum reading 0.1
Brix refractometers LB-20RFM

Brix refractometers LB-20RFM

Measuring Range 0 % ~ 10 % Brix
Minimum Division 0.1 % Brix
Accuracy ± 0.10 %
ATC Compensation Range 10 °C ~ 30 °C
Portable Refractometer LB-21PDR

Portable Refractometer LB-21PDR

Soya milk concentration range 0 % ~ 35 %
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Soya milk concentration minimum reading 0.1
Brix refractometers LB-21RFM

Brix refractometers LB-21RFM

Measuring Range 0 % ~ 20 % Brix
Minimum Division 0.20 % Brix
Accuracy ± 0.15 %
ATC Compensation Range 10 °C ~ 30 °C
Portable Refractometer LB-22PDR

Portable Refractometer LB-22PDR

Glycol range 32 °F ~ 50 °F
Propane-diol range 32 °F ~ 50 °F
Battery fluid range 1.00 sg ~ 1.5 sg
Clearance range 0 °F ~ 40 °F
Brix refractometers LB-22RFM

Brix refractometers LB-22RFM

Measuring Range 0 % ~ 32 % Brix
Minimum Division 0.20 % Brix
Accuracy ± 0.2 %
ATC Compensation Range 10 °C ~ 30 °C
Portable Refractometer LB-23PDR

Portable Refractometer LB-23PDR

Glycol range 0 °C ~ 50 °C
Propane-diol range 0 °C ~ 50 °C
Battery fluid range 1.00 sg ~ 1.5 sg
Clearance range 0 °C ~ 40 °C
Brix refractometers LB-23RFM

Brix refractometers LB-23RFM

Measuring Range 28 % ~ 62 % Brix
Minimum Division 0.20 % Brix
Accuracy ± 0.2 %
ATC Compensation Range 10°C ~ 30°C
Portable Refractometer LB-24PDR

Portable Refractometer LB-24PDR

Glycol range 0 % ~ 80 %
Propane-diol range 0 % ~ 70 %
Temperature range 0 °C ~ 40 °C
Temperature precision ± 0.5 °C
Brix refractometers LB-24RFM

Brix refractometers LB-24RFM

Measuring Range 45 % ~ 82 % Brix
Minimum Division 0.5 % Brix
Accuracy ± 0.5 %
ATC Compensation Range 10 °C ~ 30 °C
Brix refractometers LB-25RFM

Brix refractometers LB-25RFM

Measuring Range 1.43 ND ~ 1.520 ND
Minimum Division 0.001 ND ±
Accuracy 0.00 1ND
ATC Compensation Range 10 °C ~ 30 °C
Brix refractometers LB-26RFM

Brix refractometers LB-26RFM

Measuring Range 58 ~ 90 % Brix
38 ~ 43 Be
10 ~ 33 %water
Minimum Division 1 % Brix
Accuracy ± 1 %
ATC Compensation Range 10 °C ~ 30 °C
Brix refractometers LB-27RFM

Brix refractometers LB-27RFM

Measuring Range 0 % ~ 55 % Brix
Minimum Division 0.5 % Brix
Accuracy ± 0.5 % Brix
ATC Compensation Range 10 °C ~ 30 °C
Brix refractometers LB-28RFM

Brix refractometers LB-28RFM

Measuring Range 0 % ~ 80 % Brix
Minimum Division 1 % Brix
Accuracy ± 1 % Brix
ATC Compensation Range Without ATC
Brix refractometers LB-29RFM

Brix refractometers LB-29RFM

Measuring Range 0 % ~ 90 % Brix
Minimum Division 0.5 % Brix
Accuracy ± 0.5 % Brix
ATC Compensation Range Without ATC
Abbe Refractometer LB-30ABBE

Abbe Refractometer LB-30ABBE

Measuring range Refractive index: 1.30000 nD ~ 1.70000 nD
Brix: 0 % ~ 100 %
Measuring accuracy Refractive index: ± 0.0002 %
Brix: ± 0.1 %
Temperature range 0 °C ~ 50 °C
Thermostatic control RT ± 10 °C
Brix refractometers LB-30RFM

Brix refractometers LB-30RFM

Measuring Range 0 % ~ 50 % Brix
50 % ~ 80 % Brix
Minimum Division 0.1 % Brix
Accuracy 0.1 % Brix
ATC Compensation Range Without ATC
Abbe Refractometer LB-31ABBE

Abbe Refractometer LB-31ABBE

Measuring range Refractive index: 1.30000 nD ~ 1.70000 nD
Brix: 0 % ~ 100 %
Measuring accuracy Refractive index: ± 0.0002 %
Brix: ± 0.1 %
Temperature range 0 °C ~ 50 °C
Thermostatic control RT ± 10 °C
Brix refractometers LB-31RFM

Brix refractometers LB-31RFM

Measuring Range 0 % ~ 42 % Brix
42 % ~ 71 % Brix
71 % ~ 90 % Brix
Minimum Division 0.2 % Brix
Accuracy ± 0.20 %
ATC Compensation Range Without ATC
Industrial fluid refractometer LB-35RFM
Measurement range 0-10 % Brix
Minimum division 0.1 % Brix
Accuracy ± 0.10%
Size 200 mm
Industrial fluid refractometer LB-36RFM
Measurement range 0-18 % Brix
Minimum division 0.1 % Brix
Accuracy ± 0.10%
Size 200 mm
Industrial fluid refractometer LB-37RFM
Measurement range 0-32 % Brix
Minimum division 0.2 % Brix
Accuracy ± 0.20%
Size 200 mm
Honey Refractometers LB-40RFM

Honey Refractometers LB-40RFM

Measurement range 58 % ~ 90 % Brix
38 ~ 43 Be
10 % ~ 33 % water
Minimum division 1 % Brix
0.5 Be
1 % water
Accuracy ± 1 %
± 0.5 Be
± 1 % water
Length 140 mm
Honey Refractometers LB-41RFM

Honey Refractometers LB-41RFM

Measurement range 13 % ~ 25 %Water
Minimum division 0.1 % water
Accuracy 0.1 % water
Length 140 mm
Salinity refractometers LB-50RFM

Salinity refractometers LB-50RFM

Measurement range 0 % ~ 100 ‰ Salinity
1.000 ~ 1.070 SG
Minimum division 1 % Salinity
0.001 SG
Accuracy ± 1 %
± 0.001 SG
Dimension 30 x 40 x 205 mm
Salinity refractometers LB-51RFM

Salinity refractometers LB-51RFM

Measurement range 0 % ~ 28 % Salinity
Minimum division 0.2 % Salinity
Accuracy ± 0.2 %
Dimension 30 x 40 x 205 mm
Salinity refractometers LB-52RFM

Salinity refractometers LB-52RFM

Measurement range 0 % ~ 28 %Salinity
0 ~32 % Brix
Minimum division 0.002
Accuracy ± 0.2 %
Dimension 30 x 40 x 205 mm
Salinity refractometers LB-53RFM

Salinity refractometers LB-53RFM

Measurement range 0 % ~40 ‰ salinity (ppt)
1.000 ~ 1.030 SG
Minimum division 1 ‰ ppt
Accuracy ± 0.001 SG
Dimension 30 x 40 x 205 mm
Alcohol & Grape Refractometer LB-60RFM
Measurement range 0 % ~ 25 % Vol
Minimum division 0.2 % Vol
Accuracy ± 0.20%
Length 30 x 40 x 160 mm
Alcohol & Grape Refractometer LB-61RFM
Measurement range 0 % ~25 % Vol
0~40 % Brix
Minimum division 0.2 % Vol
0.2 % Brix
Accuracy ± 0.2 % Vol
± 0.2 % Brix
Length 31 x 40 x 160 mm
Alcohol & Grape Refractometer LB-62RFM
Measurement range 0 % ~ 25 % Vol
0~20 Beº
Minimum division 0.2 % Vol
0.2 % Brix
Accuracy ± 0.2 % Vol
± 0.2 % Brix
Length 32 x 40 x 160 mm
Alcohol & Grape Refractometer LB-63RFM
Measurement range 0 % ~60 %
60~80 % W/W
Minimum division 1%
Accuracy 1%
2.5%
Length 33 x 40 x 160 mm
Alcohol & Grape Refractometer LB-64RFM
Measurement range 0 % ~60 %
60 % ~80 % V/V
Minimum division 1%
2%
Accuracy 1%
2%
Length 34 x 40 x 160 mm

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