The DiamondMate diamond tester utilizes proven thermal conductivity testing method to instantly verify the authenticity of diamonds. The test results are indicated by visual light and audible beeps. This is the model DiamondMate-A - operates on alkaline (AAA) batteries or direct AC current. Features / Specifications: No waiting time between tests Pocket size Low batteries indicator Metal detector - intermittent beep Measured diamond - continuous beep Low battery consumption Carrying case 1 year factory warranty Size : L-160mm (6 1/3") x W-21mm (13/16") x H-30mm (1 3/16") Weight : 45 gms ( 1 1/2 oz.) Note: The DiamondMate diamond tester, like and thermal conductivity tester, cannot eliminate Synthetic Moissanite.

1 Year Factory Warranty. Metal detector alerts users if contact is accidentally made with gem mounting. Uses thermal conductivity tests to detect diamond and simulants. Instant recovery time in between tests. Low power usage and low battery indicator make sure you always have power when you need it.

Date First Available: August 8, 2006. Best Sellers Rank: #103,954 in Arts, Crafts & Sewing. Customer Reviews: 3.7 out of 5 stars 99 ratings 3.7 out of 5 stars. : B0014RA3WI. Batteries Required?: ?No. Batteries Included?: ?No. Special Features: ?Easy to Install. Item Package Quantity: ?1. Power Source: ?Battery Powered. Material: ?Plastic. Style: ?Electronic. Color: ?Black. Is Discontinued By Manufacturer: ?No. Item model number: ?PDMT-A. Product Dimensions: ?8 x 2.4 x 3.4 inches. Item Weight: ?6.4 ounces. Part Number: ?PDMT-A. Manufacturer: ?Presidium.