Outdoor Refractometers

GAO Tek outdoor refractometers are specialized instruments designed for field applications, offering unique benefits tailored to outdoor environments. Here are key advantages associated with our outdoor refractometers: rugged design, portability, weather resistance, field versatility, quick measurements, ease of use, on-site decision-making, long battery life, and diverse applications.
We have products in stock and can ship overnight within North America. Need any help? Fill out this Ask an Expert form or email us at sales@gaotek.com

Showing 1–24 of 34 results

GAOTek Auto Handheld Digital Refractometer

SKU: GAOTek-ORM-102
This Auto Handheld Digital Refractometer has a sample volume of 0.3 ml, power supply of 2 × AAA (1.5 V), and temperature range of 32 °F to 104 °F.

GAOTek Autorefractometer Portable Refractometer

SKU: GAOTek-OR-205
GAOTek auto refractometer portable refractometer instrument is one of the indispensable common equipment in the petroleum industry, oil industry, pharmaceutical industry, paint industry, food industry, daily chemical industry, sugar industry and geological survey and other related factories, teaching and scientific research.

GAOTek Benchtop Fiber Optic Microscopes

SKU: GAOTek-ORM-112
GAOTek integrated benchtop fiber optic video microscopes, more high-definition, smaller size, more flexible mode of operation, easy to extend the features.

GAOTek Benchtop High-Speed Centrifuge Machine

SKU: GAOTek-ORM-107
GAOTek benchtop high-speed centrifuge machine comes with a 12 ml × 1.5 ml angle rotor (with 0.2 ml/0.5 ml adapter), which can be used for sample preparation, granulation, purification, extraction, concentration, phase separation, receptor binding, cell separation, virus separation and so on.

GAOTek Benchtop Laboratory Meter

SKU: GAOTek-ORM-111
This Benchtop Laboratory Meter has a calibration points of up to 6, temperature range of 23 °F to 266 °F, and pH range of -2.000 pH to 20.000 pH.

GAOTek Benchtop Multifunction Reactor

SKU: GAOTek-ORM-118
This Benchtop Multifunction Reactor has a time of 0 min to 120 min, power supply of 110 V to 250 V AC, and temperature range of 212 °F to 320 °F.

GAOTek Benchtop Oil Pressure Pump

SKU: GAOTek-ORM-115
GAOTek benchtop oil pressure pump is made up of top quality imported stainless steel and aluminum materials.

GAOTek Benchtop Turbidity Meter

SKU: GAOTek-ORM-110
GAOTek benchtop turbidity meter with the total suspended solids measurement mode, 2 to 7 points calibration, selectable 4 turbidity units.

GAOTek Digital Display Automatic Refractometer

SKU: GAOTek-ORM-103
This Digital Display Automatic Refractometer has a current of less than equal to 200 mA, power of 12 V DC to 24 V DC, and max pressure of 1 MPa.

GAOTek Digital Refractometer Portable

SKU: GAOTek-OR-213
This Digital Refractometer Portable has display of 7 in LCD touch screen, power supply of AC 110 V or 220 V ± 10% and frequency of 50 Hz to 60 Hz.

GAOTek Handheld Auto Refractor Refractometer

SKU: GAOTek-OR-211
This Handheld Auto Refractor Refractometer has an axis range of 1° to 180° (Resolution is 1°), gaze of 0° to 20°, and time per measurement of 1 s.

GAOTek Handheld Keratometer

SKU: GAOTek-ORM-114
GAOTek handheld keratometer is a handheld measuring device that calculates the radial curvature of the cornea.

GAOTek Handheld Portable Auto Refractometer

SKU: GAOTek-OR-203
GAOTek handheld portable auto refractometer machine is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds.

GAOTek Handheld Portable Auto Refractor Refractometer Vision Screener

SKU: GAOTek-OR-307
GAOTek handheld portable auto refractor refractometer machine is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds.

GAOTek Handheld Portable Refractometer

SKU: GAOTek-OR-255
This Handheld Portable Refractometer has measurement accuracy of 0.2% brix, measurement range of 0% to 32% brix and brix min. div. of 0.2.

GAOTek Handheld Refractometer

SKU: GAOTek-RFM-117
GAOTek Handheld Refractometer can measure the sugar concentration in fruit, beverage, and vegetables, can be used in beverages quality management, food industrial sector, agricultural production scientific research.

GAOTek Handheld Refractometer Meter

SKU: GAOTek-ORM-113
This handheld refractometer meter has a power consumption of 2.5 W, temperature of surrounding of 50 °F to 86 °F, and charging time of 2 hr.

GAOTek Liquid Analyzer

SKU: GAOTek-ORM-105
This Liquid Analyzer has a temperature compensation of 32.18 °F, display screen of 6.5 in LED, and dissolved oxygen resolution of 0.01 or 0.1.

GAOTek Ophthalmology Handheld Refractometer

SKU: GAOTek-ORM-108
This Ophthalmology Handheld Refractometer displays a 7" TFT LCD, measurement axis of 0° to 180° and corneal diameter of 0.07 into 0.47 in.

GAOTek Portable Auto Refractometer

SKU: GAOTek-OR-304
GAOTek portable auto refractometer determine the refractive index nD average dispersion (nF to nC) of liquids or solids and the mass fraction of dry solids in aqueous sugar solutions, that is, Brix .It

GAOTek Portable Auto Refractometer Vision Screener

SKU: GAOTek-OR-302
GAOTek portable auto refractometer vision screener is lightweight and easy to carry.

GAOTek Portable Digital Honey Refractometer 

SKU: GAOTek-ORM-104
This Portable Digital Honey Refractometer has a brix range of 0% to 90%, measurement accuracy of 0.2% Brix and measurement range of 0% to 90%.

GAOTek Portable Digital Refractometer

SKU: GAOTek-OR-305
This Portable Digital Refractometer has a power supply of 2 x AAA (1.5 V), minimum reading of 0.1, scale of brix (%), and range of 0 to 35.

GAOTek Portable Meter Digital Viscometer Refractometer

SKU: GAOTek-OR-201
GAOTek Portable Meter Digital Viscometer Refractometer has measurement accuracy of 2%, temperature sensor of included and bluetooth output of NO.