Sinotech
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Digital Gem Refractometer Gdr800
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Digital Gem Refractometer Gdr800
The Digital Gem Refractometer GDR800 is an ideal instrument to identify gemstones without requiring any messy, damaging contact oil.
Digital Gem Refractometer Gdr800
Item #: 12249551

Digital Gem Refractometer Gdr800

Item #: 12249551

€ 441

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Tuesday, September 01
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The Digital Gem Refractometer GDR800 is an ideal instrument to identify gemstones without requiring any messy, damaging contact oil.
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What Stands Out

High Accuracy
The GDR800 offers precise measurements of gem refractive indices, ensuring reliable assessments for gemologists and jewelers, enhancing their ability to evaluate gemstones with professional confidence.
User-Friendly Interface
Designed with an intuitive display and simplified controls, the GDR800 makes it easy for both beginners and experts to operate, streamlining the gem assessment process without sacrificing quality.
Compact Design
The portable, lightweight design of the GDR800 allows for convenient use on-site or in the lab. It’s easy to handle and store, making it an ideal tool for mobile gem testing.

Product Details

Get accurate readings of the refractive index of gemstones with the Sinotech Digital Gem Refractometer GDR800. Test gemstones without the need for contact oil. Shop now at Ubuy Finland!
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Gemstone Dealers

    Perfect for professionals to accurately measure the refractive index of gems, aiding in value assessment and authenticity verification.

  • Jewelry Designers

    Helps designers evaluate gemstones precisely, ensuring quality and enhancing their craft while producing custom jewelry pieces.

  • Educational Purposes

    Ideal for geology and mineralogy students learning about refractive properties, fostering hands-on experience in their studies.

Not Suitable For
  • Casual Hobbyists

    May not justify investment due to its complexity and cost for those with occasional interest in gemstones.

Product Description

Digital Gem Refractometer Gdr800

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Digital Gem Refractometer Gdr800?

    Answer: The Digital Gem Refractometer Gdr800 is a precise instrument used to measure the refractive index of gemstones and other transparent materials. This tool is essential for gemologists, jewelers, and appraisers, as it allows for accurate identification of gemstones based on their optical properties. The digital display provides clear readings, making it user-friendly even for those who may not have advanced knowledge of gemology.
  • Question: How does the Digital Gem Refractometer Gdr800 work?

    Answer: The Gdr800 operates by shining a light through a gemstone and measuring the angle of refraction as light passes from air to the stone. The refractive index is calculated using this angle, and the result is displayed digitally for quick interpretation. Because of its digital readout, users can easily obtain precise measurements without the need for complex calculations, making it ideal for both novice and experienced gem enthusiasts.
  • Question: What types of materials can be tested with the Gdr800?

    Answer: The Digital Gem Refractometer Gdr800 is designed primarily for testing transparent or translucent gemstones, including diamonds, sapphires, rubies, and even glass. By providing accurate refractive index readings, the device helps in distinguishing between different gemstones and identifying synthetic stones or imitations. This versatility makes it a valuable tool in the fields of jewelry appraisal and gem identification.
  • Question: Is the Gdr800 suitable for beginners in gemology?

    Answer: Yes, the Digital Gem Refractometer Gdr800 is highly suitable for beginners due to its straightforward design and digital interface. Even those without extensive gemology knowledge can quickly learn to use it effectively. The clarity of the digital readout removes the guesswork, allowing new users to gain confidence in their ability to identify and evaluate gemstones.
  • Question: What are the advantages of using a digital refractometer over a manual one?

    Answer: Digital refractometers like the Gdr800 provide several advantages over manual models, including faster measurements and reduced chances of human error. The digital display eliminates the need for interpretation, providing direct readings that enhance accuracy. Furthermore, digital devices often come with features such as automatic temperature compensation, making them more reliable in various conditions, which is crucial for accurate gemology work.
  • Question: Can the Gdr800 be calibrated?

    Answer: Yes, the Digital Gem Refractometer Gdr800 can be calibrated to ensure its accuracy. Regular calibration helps maintain precise measurements over time, especially if the device is used frequently. Users should follow the manufacturer’s instructions for calibration procedures, which typically involve using a known reference liquid for the refractive index, ensuring that your readings remain consistent and trustworthy.
  • Question: What is the measurement range of the Digital Gem Refractometer Gdr800?

    Answer: The Gdr800 typically has a measurement range suited for most gemstones, generally around 1.300 to 1.700, which covers a wide variety of transparent stones. This range allows gemologists to analyze a large selection of gemstones, from common varieties to more exotic ones. Its capability to measure both high and low refractive indices makes it a comprehensive tool for jewelers and gem enthusiasts alike.
  • Question: Is the Gdr800 portable for on-site gem assessments?

    Answer: Yes, the Digital Gem Refractometer Gdr800 is designed to be compact and lightweight, making it portable for on-site gem assessments. Its battery operation allows you to use it without needing a power source, which is ideal for gem shows, field assessments, or home use. This portability ensures that gem enthusiasts and professionals can perform assessments wherever needed, making it a versatile tool for gemology.
  • Question: What accessories come with the Gdr800?

    Answer: The Digital Gem Refractometer Gdr800 usually comes with specific accessories to facilitate its use, such as cleaning cloths, a calibration liquid, and instructions for operation. Some packages might also include a carrying case for portable protection. These accessories enhance the user experience, ensuring that the device remains in optimal condition and operates accurately during assessments.
  • Question: Where can I buy Digital Gem Refractometer Gdr800 in Finland?

    Answer: You can purchase the Digital Gem Refractometer Gdr800 from Ubuy in Finland. Ubuy offers a convenient online shopping experience and a variety of products, making it easy to access the Gdr800, alongside other tools and accessories needed for gemology and jewelry work.

Sinotech Refractometers Editorial Review

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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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€ 441

Order now and get it around Tuesday, September 01

QTY:

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Features & Benefits

  • Gives a reading of the Refractive Index with reproducibility of 0.007RI Index Units
  • Covers the full Range from 1.30 to 2.99RI
  • Can test gemstones without requiring any contact oil
  • RI Test Range: 1.30 to 2.99RI
  • Works at a temperature of 25-28°C
  • Refractive Index of some gemstones: Quartz: 1.544-1.558RI, Topaz: 1.63-1.64RI, Ruby: 1.74-1.78RI

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