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Contents

(English Version)

I. Disclaimers, Exclusions and Limitations of
Liability

pg. 04

II. About this book

pg. 05

III. About your Presidium Duo Tester II (PDT II) pg. 06

IV. IMPORTANT NOTICE

pg. 09

1. GETTING STARTED with your Presidium
Duo Tester II (PDT II)

pg. 10

2. PERFORMING A TEST on your Presidium
Duo Tester II (PDT II)

pg. 16

3. READING TEST RESULTS on your
Presidium Duo Tester II (PDT II) pg. 19

4. TAKING CARE of your Presidium Duo
Tester II (PDT II) pg. 21

Содержание Duo Tester II

Страница 1: ...ur Presidium Duo Tester II PDT II pg 06 IV IMPORTANT NOTICE pg 09 1 GETTING STARTED with your Presidium Duo Tester II PDT II pg 10 2 PERFORMING A TEST on your Presidium Duo Tester II PDT II pg 16 3 RE...

Страница 2: ...sible for any damage or loss resulting from the use of this tester or handbook and under no circumstances shall Presidium its manufacturer or any of its subsidiaries licensors distributors resellers s...

Страница 3: ...need to know about how to use your tester accurately and take care of it in line with its requirements Please read these instructions carefully and keep them handy for future reference This book also...

Страница 4: ...d gemstones from each other The Presidium Duo Tester II PDT II also comes with a built in reflectivity tester providing an alternative method to identify the gemstones being tested It is to be noted t...

Страница 5: ...with gemstone during testing Large easy to read analog dial and digital index LED displays Built in glass and sapphire cal test discs for reference Built in simulant reflectivity chart Powered by 5 x...

Страница 6: ...L Test Disc 4 Thermal Conductivity Calibration inlet 5 Reflectivity Calibration Inlet 6 Cylinder Cap 7 Gemstone Test Pad 8 Reflectivity Display Screen 9 ON OFF Display Button 10 ON OFF Button 11 DC Po...

Страница 7: ...not use store or expose the tester in cold areas When the tester returns to its normal temperature moisture can form inside the tester and damage electronic circuit boards Do not attempt to open the...

Страница 8: ...es take note of the positive and negative directions of batteries when inserting the batteries into the tester Fig 1 1 The use of alkaline batteries is preferred as it should generally give approximat...

Страница 9: ...s functioning properly Glass Test disc Press the probe tip onto the Glass test disc located on the right of the indicator lamp Fig 1 4 Apply sufficient pressure to retract the protruding tip completel...

Страница 10: ...process and usually no further adjustment or user intervention to the tester is required However in situations below calibration will be warranted i A replacement probe pen is used for the first time...

Страница 11: ...is advisable to power the unit via the AC adaptor during the calibration process As a precaution it is important to allow the CAL and Glass discs to cool down before subsequent tests Depress the probe...

Страница 12: ...nditions the tester must first be calibrated under the same temperature setting as the testing site This calibration is done to ensure the accuracy and consistency of the testing results However pleas...

Страница 13: ...ully retrieve the gemstone with tweezers and place the gemstone face down on its table facet Fig 1 7a Fig 1 7b Fig 1 7a Gently rub the table of the gemstone against the tissue jewelry cloth Fig 1 7b F...

Страница 14: ...stone The test result will be displayed on the meter For mounted jewelry or gemstones Hold the jewelry or gemstone with one hand and the tester with the other hand Fig 2 1 Care should be taken when te...

Страница 15: ...nd Fig 2 2 Performing an optical test with your Presidium Duo Tester II Replace the protective cover with the cylinder and press the DISPLAY button The display will give 000 reading Fig 2 3 Fig 2 3 Re...

Страница 16: ...onsistent and accurate reading Rub the tip gently across the paper surface before testing The probe tip must be placed at a right angle or perpendicular to the facet of gemstone for an accurate readin...

Страница 17: ...to confirm the identity of suspected gemstone An example of reading the result on the meter is given below When the indicator stops at the above position the stone tested may be Quartz Amethyst Citrin...

Страница 18: ...ectivity Number and compare it with the reflectivity chart attached in the package In case of a borderline reading clean the stone and pad again before the next test and or move stone slightly off cen...

Страница 19: ...e the tester Batteries should be removed when the tester is expected to be stored for an extended period of time Your tester is a product of extensive design and craftsmanship and should be treated wi...

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