Tri-Electronics GT-4000 User Manual
Contents
1. GOLD TESTER USER S INSTRUCTION The following step by step procedure must be followed to properly perform gold tests Low Karatage Testing 6 18 karat e Remove stationary rotary cap from sensor nozzle by turning the lower LIGHT COLORED barrel counter clockwise e Remove the polyethylene cap on the gel cartridge and fully insert the rectangular feed screw end into the appropriate slot of the rotary cap Reassemble the cap assembled and cartridge into the sensor body See diagram 1 Ce eee ee roe DIAGRAM 1 mark SENSOR STATIONARY f ROTARY CAPS POLYETHYLENE GEL TUBE i BARREL PUNDETACHAELE LIGHT F i BARREL FEED SCREW CREMOVE BEFORE FLACE TUE IMT THE SENSOR ENGAGEMENT INSERT TUBE m AD SENSORS H ZZLE SENSOR WIRE OUTLET Turn the light colored barrel clockwise until fully seated Turn the dark colored barrel counter clockwise until the first drop of gel appears at the sensor nozzle Connect the black wire to the sensor plug outlet the black and red wire connector to the display unit and red wire to the testing plate e Turn the unit ON It will automatically be set to low karatage If Hi Karatage Testing is desired press the HI LOW KARAT switch to illuminate the HI KARAT ON light and refer to the Hi Karatage Testing section e Select and clean with eraser a testing point on the object obtain one drop of gel by turning the sensor rotary cap dark colored barrel counter clockwise2. i Karat button again If tested gold piece shows Not Gold check all connections of wires in unit plate and sensor Also check for the proper amount of gel and round wet spot on the tested item SERVICE If there are any problems regarding the GT 4000 please contact us TRI Electronics Inc 9570 Ridgehaven Court SUITE A San Diego CA 92123 Attn Service Dept Phone 858 571 4881 FAX 858 571 5404 E mail support trielectronics com
3. until gel is dispersed from sensor end Firmly press the sensor nozzle to the pre selected and cleaned testing point and press the TEST button NOTE use only a small amount of gel to test See diagram 2 It is only necessary to wet gold surface at sensor tip After the test there should be a small round wet spot on the tested sample DIAGRAM 2 7 SENSOR 3 SENSOR ee GOLD ase GOLD SAF LE SMe LE RIGHT AMOUNT WRONG AMOUNT OF GEL OF GEL e Maintain sensor in the same vertical position for approximately 4 5 seconds while the instrument indicates the numbers of the LCD display The first test after turning the unit ON may give an inaccurate result and should be ignored Repeat the operation numbers 7 and 8 Then refer to the Karat Table to convert the displayed number into karat value Hi Karatage Testing 18 24 karat If you sample in the low karatage test shows 18K or more 1 Activate the Hi Karatage mode by pressing the Hi Low Karat button The first test in the high karate mode is a pre test and may give erroneous results ALWAYS test high karatage gold a second time to determine karatage 2 Follow all instructions 1 through 8 above to test high karatage gold except use Hi Karatage On mode for all testing 3 Be sure that a high karat gold sample is carefully cleaned at the test point and at the alligator clip contact on both sides of testing sample To return the GT 4000 to the low karatage mode push the H
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