Downloads (videos and instruction manuals)
Most read / viewed
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Tests for gold (8ct to 24ct), silver, platinum, Palladium, white gold and steel. Includes hints and tips, and also instructions for the colour blind.
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Instructions for the use of the Moissanite Tester (model MOISS-2.)
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INSTRUCTION MANUAL for Nitrile gloves. If you have used disposable gloves before, you don't really need instructions!
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This is a digital microscope, and these instructions tell you how to install the software.
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If you know how to use a microscope (which end to look down etc.) you won't need this.
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WINDOWS: The MICR-USB2 doesn't need its own driver, so you should be able to plug it into your computer, see the message Found new Hardware, click OK, and follow the instructions. Or you can follow the installation instructions on this download (you will need the CD that is included with the item). Once connected to a 'driver' the camera will work with any photo / video software - you can use the software on the CD or any other software of your choice.
APPLE: Ignore this download, the CD won't work with Apple. Turn comptuer off, plug the USB cable in, turn computer on, open PHOTO BOOTH then CAMERA. You now have all the software you need to capture stills and video.
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Includes collimation instructions. Check that you actually have this model before downloading.
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Pictures showing the most comfortable way to hold it
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If you use digital scales for valuation, there are some things you need to know. What is calibration? How often do you have to do it? Can you do it yourself? How do you do it? This article provides answers.
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Instructions for assembling the weighing platform and for calibration. A manufacturer's manual is included with the item.
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These are the calibration instructions, a manufacturer's manual is included with the item.
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I also recommend one of our books about gemmology, click here.
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Comments: these are additioinal instructions that are not included with the manufacturer's instruction manual. Before downloading these instructions, look on the back of the tester, make sure it reads, "DT4"
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These are the instructions for the QUICKTEST diamond tester.
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Presidium gem testers, new and old models, which probes fit them and what's involved in calibrating them.
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Instruction manual for Kee gold tester, model M-509GM.