gemological refractometer gemstone testing instrument

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... with range 1.35-1.85 The is one of the most important tools in a laboratory. It...

Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which mea...

LH-SA28 Digital Salinity Meter OVERVIEW The adopts the optical principle and specializes in measuring the salt content i...

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... is the design principle of the product. is an to liquid by using light ray. Usage is a precision ...

Transparent, semi transparent liquid or solid ST121A Abbe refractometer compression mechanism cold external circulation ST121A Abbe refractometer is a...

The ST121 Abbe refractometer is an instrument capable of measuring the refractive index ND and average dispersion NF-NC of transparent, translucent li...

Honey Refractometer Fruit Sugar Tester 0-95% Scale Range Honey Moisture Tester High-Precision Handheld Home Refractometer Quick Detection: disposable-...

BGD 250 Abbe Refractometer Refractive Index Meter 1.Description The Abbe Refractometer is an instrument capable of determining the refractive index nD...

Hot Selling Good Autorefractometros Opthalmic Auto Refractometer/keratometer Optical Instruments Xinyuan FA-6100 GR8905 Features: 1. 5.7’’ screen; 2. ...

Introduction to Automatic Polarimeter An optical rotation meter is an instrument for measuring the optical rotation of substances. Through the measure...

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... difference from natural corundum can be measured by basic characteristics such as microscopic characteristics, dichroism and spectrum,...