The GML-501 is a compact refractometer with built-in LED illumination for refractiveindex determination, quality control and categorization of gemstones.Specifications:1) Accuracy: 0.01nD2) Illuminati

Product Name: Hand-Held Fiber MicroscopeModel Number: CL, 200 X (FMC-200/FMO-200), 400 X (FMC-400)Place of Origin: ChinaSpecifications:1) Optical magnification: 200x (FMC-200/FMO-200), 400x (FMC-400)2

Specifications:1) Optical magnification: 200x (FMC-200/FMO-200), 400x (FMC-400)2) Power source: 3 x AAA batteries3) Light source: white LED, rated for 100,000 hours4) Weight: 0.5kg5) Size: 225mm (L) x

Specifications:Optical magnification: 200x (FMC-200/FMO-200), 400x (FMC-400)Power source: 3 x AAA batteriesLight source: white LED, rated for 100,000 hoursWeight: 0.5kgSize: 225mm (L) x 32mm (dia.), 8

Product Name: Hand-Held Fiber MicroscopeModel Number: CL,200 X (FMC-200/FMO-200), 400 X (FMC-400)Place of Origin: ChinaSpecifications:Optical magnification: 200x (FMC-200/FMO-200), 400x (FMC-400)Power

Product Name: Hand-Held Mini Fiber MicroscopeModel Number: OL, CLPlace of Origin: ChinaSpecifications:1) Optical magnification: 200 x (M200), 400 x (M400)2) Power source: 2 x AAA batteries3) Light sou

Specifications:1) Optical magnification: 200 x (M200), 400 x (M400)2) Power source: 2 x AAA batteries3) Light source: white LED, rated for 100,000 hours4) Weight: 0.28kg5) Size: 190mm/7.48L x 45mm/1.7

Lumen hand-held refractometer AH series works in ambient light with no power sourcenecessary. It can be used in labs, on production lines, in the field or anywhereelse.

Product Name: Hand-Held Refractometer (AH Series)Model Number: RHB, RHC, RHA, RHW, RHSPlace of Origin: ChinaLumen hand-held refractometer AH series works in ambient light with no power sourcenecessary