1.Gem Refractometer: 2.CZ Testing Table 3.Stainless Steel 4.Monochromatic LED Lights 5.Dual power supply Gem RefractometerGemological refractometer,gem refractometer,gemological testerHigh hardness CZ test prism Scale range:1.35-1.81Error: ±0.002 Stainless steel table,easy to cleanBy advanced optic system,shadow edge is straight and sharp,easy to read.There are two ways of inputing the voltage: ...
... the burnishing powder, grinds the material, the catalyst carrier, the ruby, the sapphire. Quality:SpecificationCrystalPurity(%)≥Center position particle sized50(um)Relative ...
All products are CE Marked and fully meets GJB1762-93 standard as well as the European Standard EN207A1:2002. Protected Wavelength: 190-540nm & 800-2000nmOD=4Adjustable leg and angleMaterial: PCColour: White All our laser safety glasses are made of PC lens in conjunction with a specially designed imported material in order to absorb a range of wavelength. All products are CE Marked and fully ...
... lamps. • Substantially lower visible glare level than even ruby and neutral density zone heating lamps. • Narrower diameter (cf ... systems and better color rendering and less red colorappearance than ruby sleeve. • Infrared Helen glare reduction lamps comply fully ... heat. • Improvement is over 10-30% compared to conventional ruby sleeve and neutral density infrared lamps inexisting luminaries. • Heat ...
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