Showing 145–168 of 410 results

GAOTek Digital Salt Handheld Refractometer

SKU: GAOTek-HRFM-283
This digital salt handheld refractometer has a range of 0.0% to 28%, a resolution of 0.1%, and a temperature range of 32 °F to 158 °F (0 °C to 70 °C).

GAOTek Digital Sugar Meter

SKU: GAOTek-SR-207
This GAOTek Digital Sugar Brix Meter has resolution ratio brix ± 0.1%, measure accuracy brix ± 0.2%, sample capacity of 0.3 mL and power of 2x AAA.

GAOTek Digital Sugar Refractometer

SKU: GAOTek-SR- 201
GAOTek Digital Sugar Refractometer determines the refractive index nD average dispersion (nF-nC) of liquids or solids and the mass fraction of dry solids in aqueous sugar solutions, that is, Brix.

GAOTek Digital Sugar Refractometer

SKU: GAOTek-SR- 210
GAOTek Digital Sugar Refractometer is equipped with a high-performance linear CCD sensor.

GAOTek Digital Sugar Refractometer

SKU: GAOTek-SR-213
GAOTek Digital Sugar Refractometer is determined by the average dispersion of ND (NF-NC) and the mass fraction of dry solids in sugar and aqueous solution.

GAOTek Digital Sugar Refractometer

SKU: GAOTek-WMR-304
GAOTek Digital Sugar Refractometer is determined by the average dispersion of ND (NF-NC) and the mass fraction of dry solids in sugar and aqueous solution.

GAOTek Digital Sugar Wine Refractometer

SKU: GAOTek-WRFM-109
This GAOTek Digital Sugar Wine Refractometer has resolution of 0.5 % brix, brix range of 0 % to 80 %, measurement accuracy of 0.5 and min div of 5 %.

GAOTek Digital Wine Hydrometer Refractometer

SKU: GAOTek-WRFM-103
This GAOTek Digital Wine Hydrometer Refractometer has a power supply of 2 V × 1.5V, resolution alcohol of 0.1 % and resolution temperature of 0.1 °C.

GAOTek Digital Wine Refractometer

SKU: GAOTek-WRFM-119
GAOTek Digital wine refractometer using linear CMOS sensor with high precision and great repeatability the exterior shell is made of high-performance waterproof and anti-shock material

GAOTek Direct Price Laboratory Auto Refractometer

SKU: GAOTek-ARFM-276
GAOTek Direct Price Laboratory Auto Refractometer mean dispersion of solids and liquids and the mass fraction of dry solids in sugar aqueous solution.

GAOTek Drinks Digital Refractometer

SKU: GAOTek-WRFM-121
This Drinks Digital Refractometer has brix min div of ±1 %, measurement range of ±1 %, accuracy Brix+ or -0.2 % of and brix range of 0 % to 53 %.

GAOTek Dual Scale Refractometer

SKU: GAOTek-WRFM-117
This Dual Scale Refractometer has measurement accuracy of 0.0001 nd, brix min div of 0.1 %, measurement range of 0 % to 60 % and brix range of ±0.2 %.

GAOTek Economic Handheld Refractometer

SKU: GAOTek-HRFM-281
This economic handheld refractometer has a spherical power of -8.00 D to +8.00 D, an axis range of 0° to 180°, and a charger of 5 V.

GAOTek Economical Digital Refractometer

SKU: GAOTek-SR-218
GAOTek Economical Digital Refractometer can be used to test Brix of sugar-containing solutions, refractive index fast test. It is widely used in sugar production, beverages, agricultural production, industrial production, scientific research, etc.

GAOTek Economical Inline Refractometer

SKU: GAOTek-MRR-102
This Economical Inline Refractometer has a max pressure of 1 mpa, protection grade of IP65, and operating current of less than equal to 200 mA.

GAOTek Effective Handheld Refractometer

SKU: GAOTek-HRFM-303
GAOTek effective handheld refractometer is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds.

GAOTek Electronic Handheld Refractometer

SKU: GAOTek-HRFM-257
This electronic handheld refractometer has a cylinder axis of 0° to 180°, a measuring distance of 39.37 in (100 cm), and a measuring time of <15 sec.

GAOTek Electronic Refractometer Handheld

SKU: GAOTek-HRFM-247

This Electronic 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.

GAOTek Explosion Mine Refractometer

SKU: GAOTek-AR-116
This Explosion Mine Refractometer has an accuracy of ±0.1 % to ±0.3 %, measurement temperature of 32 °F to -121 °F, and power of 12 V to 24 V DC.

GAOTek Eye Testing Equipment Auto Refractometer

SKU: GAOTek-ARFM-261
This eye testing equipment auto refractometer has a spherical degree DS scope -10.5 D to +7.5 D, axis range 1 to 180, and axis resolution 1.

GAOTek Eye Testing Handheld Refractometer

SKU: GAOTek-HRFM-267
This eye testing handheld refractometer has cylinder range of -5.0D to +5.0D, sphere range of -10.0D to +10.0D, and measurement time  <1 s/eye.

GAOTek Eyes Appliance Handheld Refractometer

SKU: GAOTek-HRFM-278
This eyes appliance handheld refractometer has a sphere range of -10.0D to +10.0D, a sphere tolerance of ± 0.5D, and a cylinder tolerance of ± 0.5D.

GAOTek Eyes Equipment Handheld Auto Refractometer

SKU: GAOTek-HRFM-260
This eyes equipment handheld auto refractometer has a sphere tolerance of ±0.5 D, a cylinder tolerance of ±0.5 D, and a battery voltage of 11.1 V.

GAOTek Eyesight Test Handheld Refractometer

SKU: GAOTek-HRFM-244

This Eyesight Test 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.