We supply all kinds of gem instruments, including gem refractometers, spectroscopes, polariscopes, dichroscopes, chealse filters, loupes, UV lamps, ultrasonic cleaners, gem balances and gem gauges.

Product Name: Gem InstrumentsPlace of Origin: ChinaWe supply all kinds of gem instruments, including gem refractometers, spectroscopes,polariscopes, dichroscopes, chealse filters, loupes, UV lamps, ul

Product Name: Gem RefractometerModel Number: RGM-600Place of Origin: ChinaThe kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of g

The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive index. Besides, index of double of refracti

Product Name: Hand Held Digital Brix RefractometerPlace of Origin: ChinaThe digital salinity refractometers are developed for measuring the concentration of ketchup, mayonnaise, pickle juice, salt wat

The Brix concentration, refractive index or other parameters are always needed in lab or our life. The traditional optical refractometer is very popular used to measure these parameters. Compared with

Product Name: Hand Held Digital Oe RefractometerModel Number: PDR40WPlace of Origin: ChinaThe Brix concentration, refractive index or other parameters are always needed in lab or our life. The traditi

The Brix concentration, Refractive index or other parameters are always needed in lab or our life. Optical refractometer is very popular used to measure these parameters. The Digital refractometer wit

Product Name: Hand Held Digital RefractometerModel Number: Pocket type digital modelsPlace of Origin: ChinaThe digital refractometer with a digital readout and LCD display will eliminateuncertainties