Diamond Mosang stone Surveymeter,High Precision Jewelry Diamond Test Pen Set ,Drill Pen Gem Identification identification instrument tool thermal conductivity drill pen,For Novice and Expert. High Accuracy and portability are what we pursue all the time, we've been working on it to becoming your precision stewards. This thermal conductivity meter can test the authenticity of diamonds, and also test the hardness of finished jade and jadeite with hardness value between 5 and 9. It has dual functions and is nondestructive. Features: Distinguish stones as small as 2pt. Brand new and unused. Equipped with ultraviolet light to test fluorescent reaction of stones. Flexible calibration with multi Level Volume to match different sizes of stones. An option to use or connect with A/C adaptor (not included) for long time indoor use. Most compact design and low battery consumption. Emit audible sounds to give warning buzzer if the probe touches metal surface. Audible and visual indicator of genuine diamond. With a single press of a button it can accurately and precisely: Supplied with vinyl pouch, testing platform for loose stones and a comprehensive instruction manual best utilize JEM-II. Quickly distinguishes authentic diamond from all models of diamond simulants and metals. Specifications: Probe Warm-up Time: about 25sec Working Time: about 5 hours for continuous use Suggested Working Temperature: 18°C to 30°C Size: 168 x 31 x 21mm Net weight: 55g Working Voltage: 1 x 9V, 6F22 battery (included the set) or AC adaptor 110V-240V, DC 9V (not included the set) Set includes: 1 x Diamond Tester Set 1 x English Instruction Manual

?It is the easiest answer for the vast majority of retail jewelers,pawn brokers and chain stores when faced with the decision of which diamond selector to buy. ?Easy to use:Real diamonds make sounds and lights >= 9.Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light <9. ?Equipped with light to test flourescent reaction of stones.Flexible calibration with multi Level Volume to match different sizes of stones. ?It is designed for quick, precise, and safe diamond testing.Harmless to diamonds. ?Professional Diamond Mosang stone Surveymeter will show real diamonds or fakes,Use the big/small switch to test diamonds,Makes an audible sound to easily distinguish readings.

Date First Available: November 16, 2022. Country of Origin: China. Manufacturer: Hqdz. Item Weight: 1.76 ounces. Best Sellers Rank: #108,182 in Arts, Crafts & Sewing. Customer Reviews: 5.0 out of 5 stars 2 ratings 5.0 out of 5 stars. : B0BMLDLBDN. Item model number: DT-SS89. Product Dimensions: 5.91 x 1.18 x 1.18 inches.