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3

1 – 

FREE

 tablet for testing

2 – Loose stone sorting trays 

 

 

1.5”x2.5” and 4.5”x5″

2 – Loose stone trays with 

 

 

sections 1.5”x2.5” and 4”x5”

1 – Tray with 5 magnetic finger  

 

ring holders

2 – Slotted ring holder trays 

 

(each holds up to 108 rings)

1 – USB data cable for the tablet

1 – Worldwide power supply 

 

100-240V

ON/OFF:

At the back of the detector you will find the 

ON/OFF

 power button. In order to turn the box 

ON

 or 

OFF

please press and hold the button for 3 seconds. An

 LED

 indicator at the front of the box will show when it 

is 

ON

 or 

OFF

. The battery powered Dr. Watson will automatically power down by itself after 5 minutes of 

being idle.

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. The Dr. 

Watson may be used while charging. A full charge should provide about 2 weeks of operation.

Warranty:
YEHUDA

 detectors feature a full 

ONE YEAR WARRANTY

 under normal use. Opening the detectors body 

or tampering with any of the screws will void the warranty, and result in the factory’s refusal to repair 

the detector. The warranty  does not cover user abuse, water damage, being hit, dropped or any other 
type of improper care. The purchaser shall incur the cost for shipping, insurance, and handling for all 
warranty and non-warranty repairs. Warranty repairs will be shipped back FOB Destination. The tablet 
provided with the Big Sherlock is not covered under this warranty. Within the first month of registering 
your detector you have the option of purchasing an extended warranty. If you would like to purchase an 
extended warranty, this must be done through the 

YEHUDA

 app.

HOW TO RUN A TEST

HOW TO RUN A TEST

After you have completed your registration, connect your phone to your detector to start the test.

 

Please follow these steps:

 

Congratulations! You have just completed your first test.

 

To run a new test, tap the orange button located at the bottom left of the screen.

 

 

To add more files tap 

“Continue”

, then you can continue to save the results to your cloud.

 

 

To log into your cloud account go to 

Cloud.Yehuda.com

For further information and more detailed instructions, 

please visit our website for the full manual and instructional videos.

1. 

Make sure your phone’s Bluetooth 

is turned ON.

2. 

Hold the power button on the back of the detector for 3 seconds to power your 

diamond detector on.

3. 

Tap 

“Menu”

 at the bottom right 

of your screen.

4. 

Tap 

“Connect box”

5. 

Tap 

“Scan Device-off” 

 

(It will change to “Scan Devices-on”) 

6.  Tap on the corresponding Yehuda device.
7.  Tap the Camera icon. 

A white light will appear inside your detector once the camera is 

active.

8. 

Aim the camera at the object you wish to test, 

zoom in or out as necessary.

9. 

Focus by tapping on the screen

10. 

Tap 

“Run test”

Summary of Contents for Dr. Watson

Page 1: ...ny 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 D K color range Lower color 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...

Page 2: ...earch for Yehuda Detect or Sherlock Holmes Detect 2 Download the YEHUDA app and install it 3 Follow the instructions to register add payment information add users and then connect your device via Bluetooth to the box in order to start using your YEHUDA detector 1 Admins The admin is the person responsible for opening up the account They will be the only one that can handle payments and payment inf...

Page 3: ...repairs will be shipped back FOB Destination The tablet provided with the Big Sherlock is not covered under this warranty Within the first month of registering your detector you have the option of purchasing an extended warranty If you would like to purchase an extended warranty this must be done through the YEHUDA app HOW TO RUN A TEST HOW TO RUN A TEST After you have completed your registration ...

Page 4: ...r is painted in red is a LAB GROWN DIAMOND To fully understand the result picture please first read about all other results and then read the explanation in the bottom LUV LONG UV PICTURE The long UV test result is superior to all other results If in the RESULT picture a diamond is determined as a lab grown diamond but in the LUV test it is determined as a natural diamond THEN IT IS A NATURAL DIAM...

Page 5: ...luoresce in different colors ORIGINAL PICTURE This is the untouched picture of the diamonds and jewelry that you are testing RESULT PICTURE This is the default picture that you see when the test has been completed It is a combination of the COLORED picture and the GLOWING picture If the diamond fluoresces 100 BLUE it is always a NATURAL diamond If the diamond fluoresces in any other color but blue...

Page 6: ...nd will show a very strong phosphorescence In the RESULT picture these diamonds will usually be completely painted in a bright red color to the extent that you will not be able to see the color of the diamond You can see the color of the diamond in the COLORED result When viewing the GLOWING picture result you can easily identify HPHT lab grown diamonds since they will glow very strongly in blue C...

Page 7: ... Long UV illumination Lab grown diamonds NEVER show blue florescence under Long UV illumination Natural diamonds show blue with no red painting RESULT PICTURES LUV PICTURES BLUE NATURAL BLUE NATURAL Natural Diamonds will shine in ONLY blue color Any kind of blue ...

Page 8: ...D lab grown diamonds which show a different NON BLUE color and or blue with some red painting RESULT PICTURE GLOWING RESULT CVD LAB GROWN DIAMONDS CVD LAB GROWN DIAMONDS The HPHT lab grown diamonds in the picture above are fully painted in red HPHT lab grown diamonds show very strong phosphorescence ALWAYS IN BLUE The glowing of these diamonds is converted by the software into red painted in the R...

Page 9: ... diamonds fluoresce in non blue colors All of the diamonds at the top part of this picture are HPHT lab grown diamonds and they are fully painted in red The 8 diamonds at the bottom part of the picture are CVD lab grown diamonds They show a NON BLUE color and some are partially painted in red HPHT lab grown diamonds show very strong phosphorescence in a blue color CVD lab grown diamonds show a ver...

Page 10: ...g very strong phosphorescence and acts like a flashlight illuminating the natural diamonds near it 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 GLOWING PICTURES ...

Page 11: ...xt to it are natural diamonds but they are partially painted in red 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 RESULT PICTURES ...

Page 12: ...ion 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 LUV PICTURES ...

Page 13: ...uoresce in blue However due to the fact that 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 COLORED PICTURES ...

Page 14: ...uorescence or phosphorescence at all That means they will not emit light under our proprietary light or under the long UV illumination If they show any color at all please understand that it is only a REFLECTION You can easily discern if the stone shines or just reflects some light The top 2 stones are moissanite The 2nd row of stones are CZ The bottom 3 stones The left one is an HPHT lab grown di...

Page 15: ...y used an independent 3rd party Underwriters Laboratories UL to impartially test and verify the effectiveness of all the CVD HPHT detection devices submitted for a comprehensive review Underwriters Laboratories tested 31 different detectors Of these 15 were the preferable types that could simultaneously check multiple diamonds and jewelry Of the 15 tested ONLY TWO were determined to be capable of ...

Page 16: ...ce only 2 5 of all natural diamonds will give a false positive result showing a lab grown diamond Thanks to the Long UV test we have actually reduced the 2 5 false positive results from our prior generation models The bottom line is When you get a natural result it is 100 natural When you get a lab grown result there is a very small chance that it is a natural diamond For any problems please visit...

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