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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
Digital Sugar Brix Meter1.Model Name: GD316. 2.Range:0-35% Brix. 3.Ambient Temperature:10℃-40℃. 4.Resolution:0.1% Brix. 5.Accuracy:±0.5% Brix. 6.Battery:Builti in Lithium battery.
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Helmet 3D Night Vision Glasses BinocularsGVDA GD918 Binoculars Head mount Night Vision Device Goggles head mount 1080P for Helmet Head 3D Stereo Imaging Night Range 250M Green 32GB Card for Hunting Observation
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Rechargeable Mini Laser Distance MeterMini Rechargeable Digital Laser Tape Measure 30M Laser Rangefinder Accurate Distance Meter Construction Roulette Trena Lazer Range Finder Built-in Lithium Battery SW-M30A SW-M30B
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120m Laser Distance Measure With Real Time MeasuringLaser Rangefinder 120m 100m 70m 50m 40m Digital Laser Distance Meter laser Range Finder Tape Distance Measurer ToolsLaser Measure, 132 Feet Digital Laser Distance Meter with 2 Bubble Levels,M/in/Ft
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Digital Laser Distance Meter With 2 Bubble LevelsLaser Rangefinder 120m 100m 70m 50m 40m Digital Laser Distance Meter laser Range Finder Tape Distance Measurer ToolsLaser Measure, 132 Feet Digital Laser Distance Meter with 2 Bubble Levels,M/in/Ft
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Binoculars Head Mount Night Vision DeviceGVDA GD918 Binoculars Head mount Night Vision Device Goggles head mount 1080P for Helmet Head 3D Stereo Imaging Night Range 250M Green 32GB Card for Hunting Observation
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Laser Distance Measuring Tool 100mOur Laser distance meter is specially designed to measure the distance precisely. It comes with the function of measuring DISTANCE, AREA, VOLUME, ADDITION, SUBTRACTION easily.It can also store
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Digitech Laser Distance Meter 50m 70m 100mSNDWAY New Arrive digitech laser distance meter 50m 70m 100m Blue color with 99 datas storages Self calibration, Distance / Area / Volume/ Pythagorean theorem
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2 in 1 Green Laser Level and Dust Collector1. It can be used not only as an electric drill dust collector, but also as a laser level for a wide range of applications.. 2. Dust collector can be used separately for dust collector and holder
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1000m Hunting Golf Laser Rangefinder1.Ranging range: 5-1000 meters. 2.Ranging error: ±0.5m. 3.Distance resolution: 0.5 meters. 4.Angle measurement range: 0-90 degrees. 5.Angle measurement accuracy: 0.5 degrees.
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Golf Telescope Laser Range Finder with SlopeBrand: GVDA . Color: Black, White. Ranging method: semiconductor laser ranging (safe for human eyes). Laser Safety: Class I, Laser Wavelength 905 nm
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40m laser distance meter1.Measuring Range: 40m/ 60m/ 80m/ 100m (Optional). 2.Color: Black. 3.Material: ABS. 4.Measuring Accuracy: ±2.0mm. 5.Measuring Speed: 0.5-1S. 6.Unit: m/ in/ ft. 7.Measurement: Distance/ Area/ Volume/
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50m Laser Rangefinder RechargeableSNDWAY laser distance meter,Ideal for interior decorating, remodeling, floor and wall coverings, real estate estimation and appraisal, it is the quick, easy and accurate way to measure, even at
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laser distance meter for outdoor use1.0.05-80M(0.16 to 262ft). 2.with Camera Function. 3.Battery 3x1.2V 800mA Ni-MH . 4.Large color LCD display, with backlight and multi-line display (5 lines).. 5.Handheld rechargeable laser distance
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Digital Laser Range Angle Finder 50mInstant measurement of distance, area & volume with one button operation: YES. Self Calibration: YES. Wide measuring range: YES
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9.0 Inch Digital Video Camera Microscope1.9.0 inch screen Max 1200X . 2. Video resolution:1080FHD,1080P,720P . 3. Photo resolution:16M,12M,10M,8M,5M,3M,2MHD,1.3M. 5. Remote control operation, simple and convenient . 6. 8 LED
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7.0 Inch LCD USB Digital Microscope1.7 inch screen Max 1200X . 2. Video resolution: 1920*1080，1280*720,864*480 . 3. Camera resolution: 10M,8M,5M,3M 4. Complete functions, clear imaging, large screen display. 4. Remote control
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4.3 Inch Larger LCD Digital Microscope1.50-1000X Magnification2.4.3inch LCD Display3.Photo resolution: VGA 1.3M,2M,3M4.Video resolution:VGA 720P5.Enlargement factor:500/1000
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Digital Refractometer for Honey Beer1.Model Name: GD317. 2.Range:0-55% Brix. 3.Ambient Temperature:10℃-40℃. 4.Resolution:0.1% Brix. 5.Accuracy:±0.5% Brix. 6.Battery:Builti in Lithium battery.
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Rechargeable Laser distance meter 40mThe Rangefinder can be widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, etc.
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Carlos Rathbun
Edna Batts
Fernando Lombardo
Audrey Buckner
Mary Wooldridge
John Varner
An automatic digital refractometer is an instrument used to measure the refraction index. To better understand how it works, let’s take the example of testing the brix of wort. FJD portable...
Digital Refractometer Training and Support Despite a high level of sophisticated optics, the Palm Abbe refractometer is actually easy to use with very little training. Following are a series of...
Milwaukee MA887 Digital Salinity Refractometer with Automatic Temperature Compensation, Yellow LED, 0 to 50 PSU, +/-2 PSU Accuracy, 1 PSU Resolution has a number of industrial applications....
Digital Refractometer /Sugar Meter / Sweetness Meter . This refractometer is an instrument to measure the substances concentration of water-based solution by measuring the refractive index. All...
Programmable Digital Refractometer CG-202X The Palm Abbe CG-202 digital refractometer is a big step up from the CG-201. It features a greatly expanded range and two scales to read both Brix AND...
Digital refractometers are used to measure a variety of substances, from the concentration of sugar in grape juice to the purity of solvents, and are widely...
