RS Mizar ET18 Electronic Gold Tester

The Mizar ET18 is an indispensable tool for jewelry professionals, jewelry lovers, flea market visitors, and for the rest of us whenever we are not 100% sure. One error may cost you more than the price of this tester!

Easy and safe to use - no messy acids involved.
Everything to start testing immediately is included.

For slightly more than the cost of an acid test kit, the ET18 precisely determines gold karat values equal to or greater than 10K, 14K, and 18K.
This tester is pocket sized and battery operated. The ET18 comes with a full one year manufacturer's warranty.

Features:

• World's smallest pocket size Electronic Gold Tester.
• Non-destructive testing.
• Tests all color gold alloys.
• Distinguishes gold plate from solid gold.
• Helps determine platinum.
• Tests in two seconds.
• Advanced technology.
• Protects investments; exposes under-karating.
• One Year Manufacturer's Warranty.
• US Patents 5080766, 5128016. Other U.S. and International Patent Rights Pending.

Approx. Size; 2.65" x 3.75" x 0.87"
Approx. Weight: 4 oz.

The product is guaranteed to be factory fresh, shipped promptly in manufacturer's sealed box.

Here you can find ET18 gold tester's owner's manual