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INTRODUCTION 

 

IMPORTANT – Before testing, read the entire manual. 

 
 
 
Congratulations  on  your  purchase  of  the  M-18A9  Gold  Tester.    You  will  be 
pleased  by  the  fast  and  easy  operation  of  the  unit;  and  with  minimal  care,  you 
will have years of accurate service. 
 
Feedback  from  users  of  the  M-18A9  Gold  Tester  indicate  an  overwhelming 
response  in acceptance and ease of use testing all Gold in the jewelry business. 
 
Dymond,  Inc.  worked  to  develop  a  new  way  to  test  gold  reliably  with  a 
Patented* process that gives an accurate and non-destructive test result which is 
the  best  and  fastest  in  the  industry.    This  process  can  distinguish  non-gold  and 
gold  plate  from  true  “Karat  Gold”    without  the  destructive  Fire  Assay  testing 
which would change the value of the jewelry.  
 
Dymond, Inc. brings you one of the fastest and easiest Gold Analyzer for all the 
trades  where  jewelry  and  “Karat  Golds”    have  to  be  quickly  and  accurately 
evaluated – The M-18A9 Gold Tester. 
 
 
 
 
 
 
 

*U.S. PATENTS 5080766, 5128016 

OTHER U.S. & INTERNATIONAL PATENTS PENDING 

 
 

Summary of Contents for M-18A9

Page 1: ...1 M M 1 18 8A A9 9 Gold Tester Owner s Manual Dymond Inc 3307 Industrial 25th Street Fort Pierce FL 34946 Phone 772 429 0045 Fax 772 429 0170 ...

Page 2: ... Dymond Inc worked to develop a new way to test gold reliably with a Patented process that gives an accurate and non destructive test result which is the best and fastest in the industry This process can distinguish non gold and gold plate from true Karat Gold without the destructive Fire Assay testing which would change the value of the jewelry Dymond Inc brings you one of the fastest and easiest...

Page 3: ...e test Gold into the liquid to start the Testing light without touching the reference gold at the bottom of the Test Well and without touching the alligator clip to the liquid Note Clip must be thoroughly cleaned and dried after any accidental immersion into the liquid Step 7 Hold test Gold in the liquid without moving for about 2 seconds until reading on the Karat indicators is obtained User shou...

Page 4: ... testing or in 5 minutes If the liquid is allowed to stay on the test Gold for an extended time it may discolor the test Gold slightly This can be removed with almost any jewelry brightening product Warning Do not allow any chemicals to enter the opening around the switch this may damage the unit and void the warranty Please read warning on bottle labels and the following before performing any tes...

Page 5: ... Activator 2 Electrolyte 3 Eraser and Cotton Swabs 4 Owner s Manual 5 M 18A9 Gold Tester SPECIFICATIONS Dimensions Length 6 3 Width 4 0 Depth 1 5 Weight With Batteries 8 5 oz Operating Temperature 65 to 90 degrees Fahrenheit ...

Page 6: ... coating that must be removed before testing that area The eraser may be used to remove this coating 3 When testing chains remember that the solder often used at the link s is of a lower Karat than the rest of the chain Therefore avoid testing in that area Do make sure good contact is achieved between the test Gold and the alligator clip If the object to be tested is too large to fit in the clip h...

Page 7: ...9 Gold Tester must take at least two different readings one reading of a surface that has not been erased or filed The reading of the erased or filed surface will be lower if the metal underneath is NOT GOLD To be sure the metal underneath is not Palladium see the section on TESTING FOR PALLADIUM The M 18A9 Gold Tester will read as NOT GOLD if a sufficient area of non Gold is exposed to the liquid...

Page 8: ...re Gold so it should be noted that pure Palladium might read as medium Karat gold Palladium prong settings are sometimes soldered into diamond solitaire White Gold rings If Palladium is suspected it is easily distinguished from Gold as nitric acid will quickly turn Palladium dark Gold is not affected in this way Table of Standards Karat Decimal Gold Gold Parts per 1000th 18k 750 75 0 750 14k 583 5...

Page 9: ...ed in the liquid is erased or filed down to expose the suspected base metal underneath 3 The same Electrolyte can be used for the two comparisons the un erased or un filed area test and the erased or filed test MAINTENANCE OF M 18A9 No maintenance is required outside of cleaning after testing as described in Step 9 of the Operating Instructions page 5 When the Low Battery indicator comes on it is ...

Page 10: ...Clean test Gold in area to be tested Alligator clip not connected to test Gold Reference Gold coated Thoroughly clean the gold well Problem 18 Karat indication for all tests Cause Solution Test Gold removed before testing light goes out Test Gold or clip being shorted to reference Gold at bottom of well Thoroughly clean the gold well Problem NOT GOLD reading for all tests Cause Solution Alligator ...

Page 11: ...s for a range of readings in each color plus a variation in each color at any specific Karat mixture The M 18A Gold Tester can distinguish between Karats of the two popular colors Yellow and White by means of a color selector switch Most red color Gold can be determined by using the White range selector position Most green color Gold can be determined by using the Yellow range selector position Th...

Page 12: ...fects in material and workmanship for a period of One year from the date of purchase This warranty becomes void by 1 Unauthorized repair misuse modification alteration tampering or breaking the factory seal 2 Accidental damage neglect or improper use 3 Batteries being replaced with the wrong polarity Batteries and chemicals are not included in the warranty Dymond Inc shall not be held legally liab...

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