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GAOTek Smallest Handheld Refractometer

SKU: GAOTek-HRFM-248
This Smallest Handheld Refractometer has a DC range of 0.00 D to 3.00 D, an axis range of 1° to 180°, and a pupil size of 4.0 mm to 9.00 mm.
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GAOTek Spot Auto Handheld Refractometer

SKU: GAOTek-HRFM-256
This spot auto handheld refractometer has a cylinder axis of 0° to 180°, a measuring distance of 100 cm, and a measurement time of ＜15 seconds.
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GAOTek Superintelligent Handheld Refractometer

SKU: GAOTek-HRFM-241

This Superintelligent Handheld Refractometer has spherical power of -8.00D to +8.00D, axis of 0° to 180°, and pupil diameter of 50mm to 70mm.

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GAOTek Travel Handheld Refractometer

SKU: GAOTek-HRFM-275
This travel handheld refractometer has a sphere range of -12.0 D to +12.0 D, a sphere tolerance of ± 0.5 D, and a cylinder tolerance of ± 0.5 D.
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GAOTek Vision Screener Handheld Refractor

SKU: GAOTek-HRFM-220
This vision screener handheld refractor has a spherical power of -8.00D to +8.00D, a pupil distance of 50mm to 70mm, and an axis of 0 °C to 180 °C.
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GAOTek Vision Tester Handheld Refractometer

SKU: GAOTek-HRFM-294
GAOTek vision tester handheld refractometer is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds.
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GAOTek Visual Display Handheld Refractometer

SKU: GAOTek-HRFM-255
GAOTek visual display handheld refractometer is the world's first vision screener built entirely on Artificial Intelligence.
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GAOTek Visual Screening Device Handheld Refractometer

SKU: GAOTek-HRFM-254
This visual screening device handheld refractometer has an axis resolution of 1°, a display of 5 in, and a DS scope of -10.5 D to +7.5 D.
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Portable Handheld Gem Refractometer

SKU: GAOTek-HRFM-219
This portable handheld gem refractometer has eyepiece diameter of 32 mm, minimum scale of 0.01 and  input voltage of 100 V to 240 V.
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GAOTek Coolant Refractometer (High Accuracy, Alarm Function)

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

SKU: 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.
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GAOTek Refractometer with Wide Measuring Range (3 Parameters)

SKU: 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.
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GAOTek Refractometer with Wide Measuring Range (Alarm Function)

SKU: GT00XN00ZP
This Refractometer with Wide Measuring Range (Alarm Function) is an optical refractometer which measures the brix concentration, refractive index or other parameters.
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GAOTek Refractometer with Wide Measuring Range (Auto Shut Off)

SKU: 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 .
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GAOTek Salinity Refractometer (High Precision, Auto Shut Off)

SKU: 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.
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GAOTek Wine Refractometer (High Accuracy, Auto Shut Off)

SKU: 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).
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Light-Weight Refractometer (Small Size, Energy Efficiency)

SKU: GT00XN00ZZ
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).
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