Presidium
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Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester | Wide Range 1.0003.000 RI Measurement for Diamonds, Moissanite & Gem Identification | No RI Liquid Needed, Desktop Jewelry Tool
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Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester | Wide Range 1.0003.000 RI Measurement for Diamonds, Moissanite & Gem Identification | No RI Liquid Needed, Desktop Jewelry Tool
PRIM II refractometer can measure the range of RI value from 1.000 to ~3.000, covering the commonly known gemstones in the market. Continual elimination of possible gemstones through values like R.I., Color, Hardness, and S.G. Results are consistent, reliable with clear and visible display for ease of reading measurements.
Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester | Wide Range 1.0003.000 RI Measurement for Diamonds, Moissanite & Gem Identification | No RI Liquid Needed, Desktop Jewelry Tool
Item #: 2796365

Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester | Wide Range 1.0003.000 RI Measurement for Diamonds, Moissanite & Gem

86% of respondents would recommend this to a friend

Item #: 2796365

HTG 53648

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*All items will import from US

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PRIM II refractometer can measure the range of RI value from 1.000 to ~3.000, covering the commonly known gemstones in the market. Continual elimination of possible gemstones through values like R.I., Color, Hardness, and S.G. Results are consistent, reliable with clear and visible display for ease of reading measurements.
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What Stands Out

Accurate Measurements
Delivers precise refractive index readings crucial for laboratory analysis, ensuring reliable data for optical applications, enhancing laboratory productivity and accuracy.
User-Friendly Interface
Designed with an intuitive interface, enabling quick operation and data retrieval, making it accessible for users across varying expertise levels, boosting efficiency in training and everyday usage.
Compact Design
The portability of the meter allows for easy transport and integration into various environments, providing flexibility for fieldwork while maintaining robust performance in diverse conditions.

Product Details

Find the best deals on the Presidium Electronic Refractive Index Meter II at Ubuy Haiti KW. Accurate refractive index measurements for gemstones and more.
  • Presidium Refractive Index Meter II (PRIM II) separates diamonds, moissanites, and colored gemstones via its Refractive Index in seconds
  • It accurately measures the quantity of light reflected through the stone, covering a range of RI value from 1.000 to ~3.000, including diamonds and moissanites
  • The device eliminates the inconvenience of RI liquid usage and offers a fast and easy test process
  • The new software allows users to further narrow down possible colored gemstones by entering known values such as color, hardness, and S.G. value
  • It also provides additional information regarding gemstone properties and common found locations
  • The device is powered up by USB for convenient usage

Who Should Buy?

Suitable For
  • Gemologists

    Ideal for professionals who require precise refractive index measurements to identify gemstones and enhance their appraisal accuracy.

  • Jewelry Retailers

    Perfect for jewelry shops that need to verify the authenticity of gemstones to ensure customer trust and satisfaction.

  • Laboratory Technicians

    Beneficial for labs where accurate refractive index readings are necessary for material analysis in various scientific applications.

Not Suitable For
  • Casual Users

    Not suitable for hobbyists or casual enthusiasts who may not require precise measurements for gemstone identification.

Product Description

Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester | Wide Range 1.0003.000 RI Measurement for Diamonds, Moissanite & Gem Identification | No RI Liquid Needed, Desktop Jewelry Tool

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Customer Questions & Answers

  • Question: What is the Presidium Electronic Refractive Index Meter II used for?

    Answer: The Presidium Electronic Refractive Index Meter II is an advanced instrument designed for gemologists and jewelers to accurately measure the refractive index of gemstones. This measurement is crucial in identifying gems and determining their authenticity. With a precise range of refractive indices, this device helps detect discrepancies in gem quality, including simulates or synthetics. For example, if you are a jeweler evaluating a diamond, this meter will help confirm its specifications against industry standards, providing assurance to your clients.
  • Question: How does the Presidium Electronic Refractive Index Meter II work?

    Answer: This meter operates by utilizing a light source that emits light through a gemstone. The device measures the angle of light refraction as it passes through the gem, allowing it to calculate the refractive index based on the gem's properties. It's important to ensure that the gemstone is clean and free of oils for accurate measurements. Using this device can be particularly beneficial when evaluating precious stones, where precise refractive index readings help avoid costly mistakes in purchases or sales.
  • Question: Can the Presidium Electronic Refractive Index Meter II be used for various types of gemstones?

    Answer: Yes, the Presidium Electronic Refractive Index Meter II is versatile and can be used for a broad range of gemstones, including diamonds, sapphires, rubies, and even synthetic stones. The device is designed with a wide measurement range and sensitivity, making it suitable for both precious and semi-precious stones. This flexibility is particularly useful for jewelers who handle diverse inventories or appraisers working with various materials. Use it in your evaluations to ensure you're offering genuine products to clients.
  • Question: Is the Presidium Electronic Refractive Index Meter II user-friendly?

    Answer: Absolutely! The Presidium Electronic Refractive Index Meter II features an intuitive interface and provides clear displays of measurements, making it user-friendly even for beginners. The quick calibration process ensures that users can begin measuring gemstones shortly after setup. This user-friendly design is crucial for busy jewelers who may need to conduct numerous evaluations in a day. Additionally, the clear readings will boost your confidence in gemstone assessments during client consultations.
  • Question: What is the accuracy level of the Presidium Electronic Refractive Index Meter II?

    Answer: The Presidium Electronic Refractive Index Meter II boasts high accuracy within a very narrow range, typically around ±0.01 RI units. This level of precision is vital for gem identification, helping to distinguish between similar-looking stones. For professionals in the jewelry industry, accuracy means making informed decisions regarding the value and authenticity of gemstones. Using this meter significantly reduces the chances of misidentification and ensures that your evaluations meet industry standards.
  • Question: Does the Presidium Electronic Refractive Index Meter II require calibration?

    Answer: Yes, regular calibration is recommended to ensure ongoing accuracy. The device comes with an easy calibration process that can be accomplished in just a few minutes. This is important as environmental factors or usage may affect its measurement. For instance, if you are regularly exposed to changes in room temperature or humidity, recalibrating before each significant use is wise. This practice can guarantee that you maintain accurate readings, especially during critical gem assessments.
  • Question: What accessories come with the Presidium Electronic Refractive Index Meter II?

    Answer: The Presidium Electronic Refractive Index Meter II typically includes a protective carrying case, a measuring guide, calibration solutions, and a user manual. These accessories add to the usability and convenience of the device. For example, the carrying case ensures that the meter is protected during transport to gem shows or client consultations. Having a detailed user manual also aids gemologists in understanding the full capabilities of the device and troubleshooting any issues that may arise.
  • Question: Can I use the Presidium Electronic Refractive Index Meter II for educational purposes?

    Answer: Certainly! The Presidium Electronic Refractive Index Meter II is an excellent educational tool for gemology students and institutions. Its accurate readings and easy-to-understand interface make it ideal for hands-on learning about refractive indices. Educators can use the device to demonstrate concepts related to light refraction and gemstone identification in a classroom setting. Students can gain practical experience that complements their theoretical knowledge, preparing them for future careers in gemology or jewelry design.
  • Question: What is the warranty on the Presidium Electronic Refractive Index Meter II?

    Answer: The Presidium Electronic Refractive Index Meter II typically comes with a manufacturer’s warranty covering defects in materials and workmanship. This warranty period usually spans one year, providing peace of mind for users. Warranty coverage is important as it ensures that you are protected against issues that may arise during usage, such as malfunction or failure to perform accurately. Keeping the device in good condition also helps maintain its warranty status, so regular checks and maintenance are advisable.
  • Question: Where can I buy the Presidium Electronic Refractive Index Meter II?

    Answer: You can buy the Presidium Electronic Refractive Index Meter II from Ubuy, the leading online shopping platform in Haiti. Ubuy provides a convenient and reliable source for purchasing this sophisticated gemological tool, ensuring you receive genuine products. Whether you're a professional gemologist or a jewelry enthusiast, Ubuy allows you to easily access this essential instrument right at your fingertips, making the purchasing process seamless and efficient.

Presidium Refractometers Editorial Review

Presidium Refractive Index Meter II (PRIM II) Digital Gemstone Tester provides a wide range of 1.0003-1.000 RI measurement for diamonds, moissanite, and gem identification without the need for RI liquid. Users have reported that while there can be a learning curve, it turns into a valuable tool, particularly for identifying gemstones accurately. Several reviews highlighted the need for precision when positioning stones for testing, which can yield reliable results once mastered. Though some customers faced issues with technique and product durability, the consensus is that this desktop jewelry tool meets users' needs effectively over time.

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Pros

  • Wide range for various gemstone tests
  • No RI liquid required for operation
  • Portable and easy to use once learned
  • Includes a USB cord for connectivity
  • Comes with a protective case and instructions

Cons

  • Learning curve can be challenging for beginners

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

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HTG 53648

Order now and get it around Thursday, October 08

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • PRIM II covers commonly known gemstones in the market
  • Continual elimination of possible gemstones through values like R.I., Color, Hardness, and S.G.
  • RI liquid not required for testing transparent gemstones
  • Ideal for separation of gemstones in parcels
  • Consistent and reliable results every time with clear and visible display
  • Fast and easy test done without the inconvenience and messy usage of RI liquid

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