









💎 Test like a pro, shine like a boss!
The HMKIS Diamond Tester Pen is a portable, battery-powered device featuring a 60X LED magnifier and a thermal conductivity meter to accurately distinguish real diamonds from imitations. Designed for both novices and experts, it requires two-hand operation for precise testing and includes a 9V battery. Lightweight and compact, it’s an essential tool for jewelry professionals and enthusiasts seeking quick, reliable diamond verification.










| Brand | HMKIS |
| Power Source | Battery Powered |
| Style | Portable,Simple |
| Colour | Black |
| Item Weight | 120 Grams |
| Item dimensions L x W x H | 25.8 x 5.5 x 3.5 Centimeters |
| Min. Operating Voltage | 9 Volts |
| Specification Met | CE |
| Upper Temperature Rating | 30 Degrees Celsius |
| Measurement Type | Thermal Conductivity Scale (1-9) |
| Maximum Operating Voltage | 9 Volts |
| Manufacturer | HMKIS |
| Global Trade Identification Number | 09070190994879 |
| Model number | HXK+FDJ |
| Number of Memory Sticks | 1 |
| Item Weight | 120 g |
| Product Dimensions | 25.8 x 5.5 x 3.5 cm; 120 g |
| Batteries | 1 9V batteries required. (included) |
| Item model number | HXK+FDJ |
| Item Height | 35 Millimeters |
| Item Width | 5.5 Centimeters |
| Voltage | 9 Volts |
| Included Components | 1 Electric Circuit Testing Device |
| Are batteries included? | Yes |
| Lithium Battery Packaging | Batteries only |
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