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YEHUDA USER MANUAL
YEHUDA USER MANUAL
Dr. Watson, Sherlock Holmes 4.0 & Big Sherlock
(The following instructions are applicable for all 3 models, while some are model specific.)
CONGRATULATIONS ON YOUR PURCHASE OF
CONGRATULATIONS ON YOUR PURCHASE OF
A YEHUDA LAB GROWN DIAMOND DETECTOR!
A YEHUDA LAB GROWN DIAMOND DETECTOR!
As a leader in this field,
protection available for jewelry professionals, and we're pleased you have joined our family of happy
customers.
Our goal at
YEHUDA
is to continuously bring you the latest advancements and tools we've developed
so you can benefit the most from our technology. As such, our
enhanced and updated, so we urge you to periodically go to
newest version of our User Manual.
Terms of Use and our Privacy Policy. You can find these on our website,
YEHUDA
The
detectors can detect
jewelry, as well as parcels, and any size melee. Loose diamonds can be tested while in a thin plastic
bag. They cannot be tested if covered by a thick plastic or glass.
Our detectors are designed to detect only white diamonds within the
diamonds and fancy color diamonds should not be tested with our devices.
Diamond simulants including CZ, moissanite, diamond coated CZ and diamond coated moissanite can
easily be detected when they are tested loose.
Please visit our website www.yehuda.com where you can find helpful instructional videos on how to
use the detectors and our most updated User Manual.
IMPORTANT - PLEASE WATCH OUR INSTRUCTIONAL VIDEOS:
It is our opinion that if you did not watch the instructional videos,
YEHUDA
is well known around the world for offering the most reliable
IMPORTANT – PLEASE READ:
www.yehuda.com and within the
CVD and HPHT lab grown diamonds
you may make mistakes interpreting the results.
WWW.YEHUDA.COM
YEHUDA
app is regularly being
www.yehuda.com
and download the
YEHUDA
App.
that are loose, mounted in
D- K color
range. Lower color
1

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Summary of Contents for YEHUDA Dr. Watson

  • Page 1 Diamond simulants including CZ, moissanite, diamond coated CZ and diamond coated moissanite can easily be detected when they are tested loose. Please visit our website www.yehuda.com where you can find helpful instructional videos on how to use the detectors and our most updated User Manual.
  • Page 2: Included Accessories

    YEHUDA DETECT YEHUDA DETECT After receiving your new detector, please do the following: Go to the App Store or Google Play and search for “Yehuda Detect” or “Sherlock Holmes Detect” YEHUDA Download the app and install it. Follow the instructions to register, add payment information, add users, and then...
  • Page 3: How To Run A Test

    Dr. Watson Charging Instructions: In order to charge the battery in the Dr. Watson, simply connect the USB cable to it in the same way you would charge your mobile phone. To fully charge its battery, keep it plugged in overnight. In your YEHUDA app you will see a battery indicator that will advise you when it needs recharging.
  • Page 4 IMPORTANT DETECTION GUIDELINES (Detailed instructional videos are also available.) The proven YEHUDA detection process involves illuminating the diamonds being tested using a proprietary lighting system and software to determine their identity. This special light causes diamonds being tested to emit light (fluoresce), while...
  • Page 5 RESULT picture you can change the amount of red painting by pressing the sensitivity buttons. In order to be more accurate and reduce the false positive rate, you MUST always also look at the GLOWING pictures before making your final determination. NOTE: BLACK IS NOT CONSIDERED A COLOR. WWW.YEHUDA.COM...
  • Page 6 This is done for demonstration purposes. When testing loose diamonds, we recommend to always position them on the pavilion side as well. A test cannot be fully done UNLESS the diamond was checked on both the table and on the pavilion. WWW.YEHUDA.COM...
  • Page 7 Natural diamonds show blue with no red painting. RESULT PICTURES Natural Diamonds will shine in ONLY blue color. Any kind of blue. LUV PICTURES Some natural diamond show fluorescence under Long UV illumination. (Lab grown diamonds NEVER show blue florescence under Long UV illumination.) WWW.YEHUDA.COM...
  • Page 8 The HPHT lab grown diamonds in the HPHT lab grown diamonds show very strong ALWAYS IN BLUE. The picture above are fully painted in red. phosphorescence. glowing of these diamonds is converted by the RESULT software into red painted in the picture. WWW.YEHUDA.COM...
  • Page 9 HPHT lab grown diamonds show very strong HPHT and CVD lab grown diamonds do phosphorescence in a blue color. not show any fluorescence under Long CVD lab grown diamonds show a very weak UV illumination. phosphorescence or none at all. WWW.YEHUDA.COM...
  • Page 10 Thus some red painting will be applied on them at the RESULT picture. As seen above, after taking out the oval stone that acts like a flashlight, natural diamonds do not show phosphorescence. WWW.YEHUDA.COM...
  • Page 11 You must always take a diamond that is fully red painted out to be sure of the results of the other diamonds. As seen above, after taking out the OVAL stone that acts like a flashlight, there is NO RED PAINTING - THE STONES ARE NATURAL. WWW.YEHUDA.COM...
  • Page 12 Under Long UV illumination, the oval (which is an HPHT lab grown diamond) does not show any fluorescence. Some of the natural diamonds show fluorescence. As seen above, after taking out the oval stone that acts like a flashlight, some natural diamonds show fluorescence under Long UV illumination. WWW.YEHUDA.COM...
  • Page 13 HPHT lab grown diamonds show phosphorescence, it will be marked in red in the RESULT picture. As seen above, after taking out the HPHT lab grown oval diamond that acted like a flashlight, natural diamonds show blue color under our proprietary light. WWW.YEHUDA.COM...
  • Page 14 These HPHT and CVD lab grown Only the natural diamond on the stones show phosphorescence. bottom right shows some blue Simulants and natural diamonds fluorescence. Simulants and lab show NO phosphorescence grown diamond will never show whatsoever. fluorescence under Long UV illumination. WWW.YEHUDA.COM...
  • Page 15 100% of all lab grown diamonds. The two they certified as having this perfect detection rate included: Sherlock Holmes 2.0 by YEHUDA. SYNTHdetect by DeBeers ($18,000-$25,000) Our new generation detectors have not yet been evaluated by Underwriters Laboratories in the ASSURE program.
  • Page 16: Troubleshooting

    TROUBLE SHOOTING TROUBLE SHOOTING For any problems, please visit our www.yehuda.com website and watch the video that addresses your concern. We have created numerous short instructional videos and we are certain that you will find the one that will address the problem you are experiencing.

This manual is also suitable for:

Sherlock holmes 4.0Big sherlock