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GAOTek Modern Auto Handheld Refractometer

SKU: GAOTek-HRFM-307
This modern auto handheld refractometer has a DS range of -7.50 D to +7.50 D, an axis resolution of 1°, and an axis accuracy of ±5°.
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GAOTek Modern Handheld Equipment Refractometer

SKU: GAOTek-HRFM-299
This modern handheld equipment refractometer has a DC range of 0.00 D to 3.00 D, an axis range of 1° to 180°, and pupil size of 4.0 mm to 9.00 mm.
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GAOTek New Vision Screener Handheld Refractometer

SKU: GAOTek-HRFM-301
This new vision screener handheld refractometer has a DC range of 0.00D to 3.00D, an axis range of 1° to 180°, and a pupil distance of 35mm to 80m.
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GAOTek Newest Handheld Refractometer

SKU: GAOTek-HRFM-300
This newest handheld refractometer has sphere range of -10.0D to +10.0D, cylinder range of -5.0D to +5.0D, and axis of astigmatism range 1° to 180°.
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GAOTek Newest Optical Handheld Refractometer

SKU: GAOTek-HRFM-304
This newest optical 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 Objective Handheld Refractometer

SKU: GAOTek-HRFM-272
This objective handheld refractometer has a sphere range of -10.0 D to +10.0 D, a sphere tolerance of ± 0.5 D, and a cylinder tolerance of ± 0.5 D.
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GAOTek Ophthalmic Keratometer Handheld Refractor

SKU: GAOTek-HRFM-296
This Ophthalmic Keratometer Handheld Refractor has a power supply of 500 mW, a measuring time of 0.03 seconds, and a precision of ±0.0019 in.
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GAOTek Ophthalmology Device Handheld Refractometer

SKU: GAOTek-HRFM-252
This ophthalmology device handheld refractometer has a DS accuracy of ±0.50 D, an axis resolution of 1°, and a timer per measurement of 1 s.
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GAOTek Ophthalmology Handheld Refractometer

SKU: GAOTek-HRFM-222
GAOTek ophthalmology handheld refractometer is used to measure the refractive index ND and average dispersion NF-NC of transparent, semi-transparent liquid or solid.
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GAOTek Ophthalmology Screener Handheld Refractometer

SKU: GAOTek-HRFM-268
GAOTek ophthalmology screener 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 Optic Vision Handheld Refractometer

SKU: GAOTek-HRFM-297
This Optic Vision 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.
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GAOTek Optica For Eyes Handheld Refractometer

SKU: GAOTek-HRFM-258
This optica for eyes handheld refractometer has a sphere tolerance of ±0.5 D, a cylinder tolerance of ±0.5 D, and a battery voltage of 11.1 V.
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GAOTek Optical Camera Handheld Refractometer

SKU: GAOTek-HRFM-223
This optical camera handheld refractometer has spherical power of -8.00D to +8.00D, pupil distance of 50mm to 70mm, and axis of 0°C to 180°C. 
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GAOTek Optical Handheld Refractometer

SKU: GAOTek-HRFM-224
This optical handheld refractometer has an astigmatism range of 1° to 180°, a cylinder tolerance of 0.5D, and a wavelength of 850 ± 20nm. 
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GAOTek Optical Newest Handheld Refractometer

SKU: GAOTek-HRFM-305
This optical newest handheld refractometer has cylinder tolerance of ± 0.5D, sphere range of -12.0D to +12.0D, and astigmatism range 1° to 180°.
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GAOTek Optometry Auto Refractometer

SKU: GAOTek-RFM-119
GAOTek Optometry Auto Refractometer uses the ARM processor and the latest domestic image processing thus making the system fast and the image clear.
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GAOTek Optometry Instrument Handheld Refractometer

SKU: GAOTek-HRFM-259
This optometry instrument handheld refractometer has a DS accuracy of ±0.50 D, an axis resolution of 1°, and a timer per measurement of 1 s.
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GAOTek Polarimeter Handheld Refractometers

SKU: GAOTek-HRFM-279
GAOTek polarimeter handheld refractometer features "easy-to-use" and "easy-to-understand" ergonomic architecture.
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GAOTek Portable Device Handheld Refractometer

SKU: GAOTek-HRFM-284
GAOTek portable device handheld refractometer can check the refractive error precisely for diverse groups of people.
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GAOTek Portable Handheld Refractometer

SKU: GAOTek-HRFM-212
This portable handheld refractometer has a brix accuracy of ±0.1 %, a sample volume of ≥0.4 ml, and a temperature of (0 °C to 40 °C).
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GAOTek Portable Intelligent Refractometer

SKU: GAOTek-RFM-115
GAOTek Handheld Mini Vision Screener Refractometer is a cutting-edge device that stands out as one of the fastest and most objective vision screeners available.
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GAOTek Programmed Handheld Auto Refractometer

SKU: GAOTek-HRFM-286
This programmed handheld auto refractometer has a spherical interval of 0.25D, an axis range of 0 ° to 180°, and an axis tolerance of ±5°.
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GAOTek Salinity Handheld Refractometer

SKU: GAOTek-HRFM-295
This Salinity Handheld Refractometer has a temperature of 32 °F to 122 °F, brix measuring range of 1.3000 to 1.7000, and a brix accuracy of ±0.0002%.
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GAOTek Salinity Handheld Refractometer

SKU: GAOTek-HRFM-225
This salinity handheld refractometer has a sample volume of 0.3ml, a response time of 3s, and a temperature display range of 32°F to 104°F.
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