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- Presidium Replacement Probe Pen PS2-2 for Pre...
Presidium Replacement Probe Pen PS2-2 for Presidium Gem Tester II (PGT II) and Duo Tester II (PDT II)
WST 305
Price Details
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IDENTIFIES DIAMONDS/MOISSANITES AND COMMON COLORED GEMSTONES | CONSISTENT AND RELIABLE RESULTS EVERY TIME
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What Stands Out
Product Details
- PRODUCT COMPATIBILITY: For use with Presidium Gem Tester II (PGT II) and Presidium Duo Tester II (PDT II) only.
- INDUSTRIES MOST TRUSTED: Titanium Probe Pen for replacement if your probe pen is missing or damaged.
- THINNEST RETRACTABLE PROBE TIP: Features the industry’s thinnest retractable probe tip that ensures consistent pressure against the gemstone during testing.
- VERSATILE AND RELIABLE: Consistent and reliable results every time.
- IMPORTANT TO NOTE: This product needs to be calibrated prior to use. If you experience issues with calibration, please reach out to the seller for assistance prior to returning the item.
| Power Source | Battery Powered |
| Upper Temperature Rating | 51 Degrees Celsius |
| Measurement Type | Electrical Conductivity |
| Compatible Devices | Presidium Gem Tester II (PGT II), Presidium Duo Tester II (PDT II) |
| Style Name | Compact |
| Color | Replacement Probe Pen |
| Item Weight | 0.01 Ounces (0.28 grams) |
| Item Dimensions | 7.09 x 4.53 x 0.94 inches (18 x 11.5 x 2.4 cm) |
| Specification Met | CE |
| Brand Name | Presidium |
| Model | PGT-II |
| UPC | 726898030119 |
| Manufacturer | Presidium |
| Part Number | PGT/CSE |
| Item Type Name | PGT II |
| Unit Count | 1.0 Count |
| Brand | Presidium |
| Style | Compact |
Who Should Buy?
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Gemstone Professionals
Ideal for gemologists needing accurate gemstone testing tools for their daily evaluations and assessments.
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Jewelry Hobbyists
Beneficial for enthusiastic jewelers who want reliable equipment for evaluating the stones in their handmade jewelry.
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Retail Jewelers
Essential for retail jewelers requiring dependable testers for authenticating gemstones in their inventory.
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Casual Users
Not suitable for individuals who only occasionally test gemstones and may not require precise testing equipment.
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Budget Shoppers
May be too costly for those seeking lower-priced or basic gemstone testing options, limiting accessibility.
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Non-Gemstone Users
Not recommended for individuals who do not work with gemstones, as it is designed specifically for gemstone testing.
Product Description
Customer Questions & Answers
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Question:
What is the Presidium Instruments Gem Tester II PGT II?
Answer: The Presidium Instruments Gem Tester II PGT II is a professional-grade tool designed for accurately identifying diamonds, moissanites, and a variety of common colored gemstones. It utilizes advanced thermal conductivity technology, allowing gemologists and jewelry enthusiasts to distinguish between genuine stones and synthetics effectively. This tool is especially valuable for jewelers seeking to verify stone authenticity without damage. For instance, when assessing a ring's center stone, the PGT II can quickly provide results, ensuring informed purchases and sales. -
Question:
How does the Assisted Thermal Calibration (ATC) feature work?
Answer: The Assisted Thermal Calibration (ATC) feature of the PGT II enhances its accuracy by automatically adjusting to surrounding temperature changes. This ensures reliable readings regardless of environmental variations, which is crucial when testing stones under differing conditions. For example, if you're assessing a gemstone in a warm room, ATC compensates to ensure that the thermal conductivity measurements remain reliable. This makes it a perfect tool for professionals working in varying climate conditions. -
Question:
Can the PGT II differentiate between diamonds and moissanites?
Answer: Yes, the PGT II is specifically designed to distinguish between diamonds and moissanites with high precision. While both gemstones can appear similar, their thermal conductivity properties differ. The PGT II measures these properties, allowing gemologists to generate conclusive results efficiently. When you're appraising jewelry that may contain either stone, this tester offers peace of mind through its accuracy, helping to prevent costly errors in evaluations. -
Question:
Is the Gem Tester II suitable for beginners?
Answer: While the PGT II is a professional tool, its user-friendly interface also makes it accessible for beginners in gemstone identification. With step-by-step instructions and a clear display, new users can learn how to operate the device and interpret results quickly. Whether you're a hobbyist starting a collection or a beginner helping friends appraise their jewelry, the ease of use combined with its reliability makes it an excellent choice for all experience levels. -
Question:
What types of gemstones can the PGT II identify?
Answer: The PGT II is capable of identifying a range of gemstones including diamonds, moissanites, sapphires, rubies, and emeralds, among others. Its design caters to both natural and synthetic stones, providing an extensive testing capability. For those involved in jewelry-making or gemstone trading, this versatility allows for efficient sorting and decision-making when dealing with multiple stone types in various settings. -
Question:
Does the Gem Tester II require any special maintenance?
Answer: The PGT II requires minimal maintenance to ensure long-term accuracy. Regularly checking the battery and keeping the testing tip clean are essential practices. For instance, if you're using the tool frequently, wiping down the probe after each use helps maintain precise testing performance. This simple upkeep allows gemologists to rely on consistent results during their assessments, making it a worthwhile investment for professional use. -
Question:
How portable is the PGT II for on-site testing?
Answer: The PGT II is designed with portability in mind, making it convenient for on-site testing. Its compact size and lightweight construction allow gemologists to carry it easily during outdoor exhibitions, jewelry fairs, or client meetings. This portability means you can provide instant on-the-spot evaluations, enhancing customer confidence and satisfaction when buying or selling gemstones. -
Question:
What is the accuracy rate of the PGT II?
Answer: The accuracy rate of the Presidium Instruments Gem Tester II PGT II is exceptionally high, making it a reliable choice for both professionals and enthusiasts. It can successfully discern diamonds from moissanites with over 95% accuracy if used correctly. Having such a dependable tool means gemstone evaluators can confidently assess authenticity, leading to more trustworthy transactions in both retail and wholesale settings. -
Question:
Can the PGT II be used for identifying both rough and polished stones?
Answer: Yes, the PGT II is versatile in that it can test both rough and polished stones effectively. This adaptability is particularly beneficial for gemologists working with uncut materials as well as finished gemstones. In practical terms, whether you’re assessing raw gems from a miner or evaluating finished pieces in a jewelry store, the PGT II provides reliable results across both categories. -
Question:
Where can I buy the Presidium Instruments Gem Tester II PGT II?
Answer: You can purchase the Presidium Instruments Gem Tester II PGT II with Assisted Thermal Calibration ATC at Ubuy in Samoa. Ubuy offers a convenient online shopping experience, allowing you to easily obtain this essential tool for gemstone identification right from the comfort of your home.
Presidium Diamond Testers Editorial Review
The probe appears to be the same as the one that comes with the tester. Some users have reported great success with the probe, stating that it works better than their previous pen after recalibration. However, others have had a terrible experience, claiming that the probe didn't work at all. As with many products, individual experiences may vary.
Customer Reviews & Ratings
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5 Star
69%
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4 Star
4%
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3 Star
7%
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2 Star
5%
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1 Star
15%
Review this product
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Pros
- Some users report improved performance after recalibration.
Cons
- Some users report that the probe didn't work at all.
Product Price History
Important information
- 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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
WST 305
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Assisted thermal calibration included
- Industries most trusted gemstone tester
- Thin and retractable probe tip
- Versatile and reliable
- Simple and easy to use analog dial
- Can differentiate 16 types of gemstones




