GAOTek provides a wide range of industrial-grade refractometers for sale to the United States, Canada and globally. This device is an optical instrument for examining the refractive index of a substance, i.e. for measuring how light bends as it moves through a substance. These devices can provide accurate readings for any substance in any environment. The GAOTek refractometers are designed for a wide range of applications, whether it be for laboratory use, production line or more.

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GAOTek Coolant Refractometer (High Accuracy, Alarm Function)

This ‘Coolant Refractometer (High Accuracy, Alarm Function)’ is a digital refractometer which accurately measures the freezing point of substances such as propylene/ethylene glycol.

ID: GT00XN00ZQ

This ‘Coolant Refractometer (High Accuracy, Alarm Function)’ is a digital refractometer which accurately measures the freezing point of substances such as propylene/ethylene glycol.

GAOTek Refractometer with Alarm (High Precision, Auto Shut Off)

This portable ‘Refractometer with Alarm (High Precision, Auto Shut Off)’ is designed for clinical applications such as measuring specific gravity of urine, total protein in serum or plasma, and refractive index.

ID: GT00XN00ZU

This portable ‘Refractometer with Alarm (High Precision, Auto Shut Off)’ is designed for clinical applications such as measuring specific gravity of urine, total protein in serum or plasma, and refractive index.

GAOTek Refractometer with Wide Measuring Range (3 Parameters)

This Refractometer with Wide Measuring Range (3 Parameters) is a precise optical device specially designed to determine the water content in honey with three-scale measurement (water, Baume and Brix) which provides direct reading.

ID: GT00XN00ZO

This Refractometer with Wide Measuring Range (3 Parameters) is a precise optical device specially designed to determine the water content in honey with three-scale measurement (water, Baume and Brix) which provides direct reading.

GAOTek Refractometer with Wide Measuring Range (Alarm Function)

This Refractometer with Wide Measuring Range (Alarm Function) is an optical refractometer which measures the brix concentration, refractive index or other parameters.

ID: GT00XN00ZP

This Refractometer with Wide Measuring Range (Alarm Function) is an optical refractometer which measures the brix concentration, refractive index or other parameters.

GAOTek Refractometer with Wide Measuring Range (Auto Shut Off)

This Digital Refractometer with ‘Wide Measuring Range (Auto Shut Off)’ is used to measure specific gravity and refractive index and works within a temperature range of 32 °F to 104 °F .

ID: GT00XN00ZT

This Digital Refractometer with ‘Wide Measuring Range (Auto Shut Off)’ is used to measure specific gravity and refractive index and works within a temperature range of 32 °F to 104 °F .

GAOTek Refractometer with Wide Measuring Range (High Accuracy)

This Refractometer with Wide Measuring Range (High Accuracy) is designed to measure the sugar content of an aqueous solution from 0 % to 95 % Brix.

ID: GT00XN00ZW

This Refractometer with Wide Measuring Range (High Accuracy) is designed to measure the sugar content of an aqueous solution from 0 % to 95 % Brix.

GAOTek Salinity Refractometer (High Precision, Auto Shut Off)

This Salinity Refractometer(High Precision, Auto Shut Off) is used to measure brix concentration, salinity and

refractive index and works within a temperature range of 32°F to 104°F and has an automatic shut off function after

3 minutes.

ID: GT00XN00ZS

This Salinity Refractometer(High Precision, Auto Shut Off) is used to measure brix concentration, salinity and refractive index and works within a temperature range of 32°F to 104°F and has an automatic shut off function after 3 minutes.

GAOTek Wine Refractometer (High Accuracy, Auto Shut Off)

This Wine Refractometer (High Accuracy, Auto Shut Off) is specially designed to measure the sugar contents in wine with four scale parameters Mass SW % (Brix), Probable Alcohol (AP), Oechsle (German) and KMW (Babo).

ID: GT00XN00ZR

This Wine Refractometer (High Accuracy, Auto Shut Off) is specially designed to measure the sugar contents in wine with four scale parameters Mass SW % (Brix), Probable Alcohol (AP), Oechsle (German) and KMW (Babo).

Refractometer With Alarm (High Resolution/Accuracy)

Overview Key Features Specifications Overview GAOTek Refractometer with Alarm measures temperature for liquid refraction with high resolution and accuracy and supports alarm for low voltage. Key Features All series of zero calibration function with distilled water Automatic shut off after three minutes Operating time: more than 5000 times per battery 9V Alkaline battery Technical Specifications […]

ID: GT00XN00ZY

Light-Weight Refractometer (Small Size, Energy Efficiency)

Overview Key Features Specifications Overview GAOTek Light-Weight Refractometer is a small-sized device for measuring solution’s refraction index of under different temp and saves energy (over 8000 times). Key Features Automatic Temperature Compensation ( ATC Instantaneous reading. Stainless steel sample plate. More than 8000 times per battery Technical Specifications Operation temperature   0℃(32 ℉)-40℃(104℉). Storage temperature […]

ID: GT00XN00ZZ