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Product Information
Gold, Platinum and Silver Testers
22
Tri Electronics G-24 Gold Tester keeps switching modes
Can I use any AC adapter with my Tri Electronics Gold Tester?
Tri-Electronics GXL-24 Pro and M24 Brief Comparison
Do I need an AC adapter for the Tri Electronics GXL-24 Gold Tester?
There is gel behind my Tri Electronics refill's plunger
See all 22 articles
Diamond and Moissanite Testers
10
Can a diamond tester recognize artificial (man made, lab created) diamonds?
Do electronic diamond testers need testing liquid?
GemOro UltraTester II & Pro-D Troubleshooting
When should I use a moissanite tester?
Is a diamond moissanite tester better than two separate testers?
See all 10 articles
Gemstone Testers
7
I can't find the probe cap for my Presidium PGT/PDT Tester
Where is the simulant kit for the Presidium PDT Tester?
Can a gem tester recognize artificial (man made, lab created) stones?
How are Presidium PDT Testers advantageous?
What's the difference between the Presidium PDT & PDT-S7?
See all 7 articles
Gemological Instruments
6
I need a refractive index/reflectivity chart
Do the Presidium PRM/PRIM II require liquid or oil to operate?
How do the Presidium PRM/PRIM II handle doubly refractive stones?
My refractometer's manual describes a calibration block
Can a refractometer be used on mounted stones?
See all 6 articles
Jewelry Cleaners
2
Are there any dual ultrasonic/steam cleaners?
Do ultrasonic cleaners need any specific liquid/solution?
Scales
5
What is "legal for trade"?
Do I need a carat scale or a gram scale?
My 2000g scale's display keeps flashing 2000
Why does my scale show "The counting feature is not legal for trade"?
Ohaus PAJ NTEP Certificate of Conformance
Gemstone Gauges
1
What unique features does the Presidium PGCG have?
Product Manuals
22
Gold Tester: Tri Electronics GXL-18 Manual
Tri Electronics G-24 Gold Tester Manual
Gold Tester: Tri Electronics GT-4000 Manual
Gold Tester: Tri Electronics GT-3000 Manual
Gold Tester: RS Mizar ET-18 Manual
See all 22 articles
Help Desk Software
by Freshdesk