| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Features Specifications: Diamond Tester Jem-II The diamond tester utilizes the feature that diamond has very high thermal conductivity. It can effectively and quickly distinguish natural diamond from all models of diamond simulants and metals.
Features: Equipped with ultraviolet light to test fluorescent reaction of stones. Easy calibration with Level Meter Volume to match different sizes of stones. Can distinguish stones as small as 2pt.
Specification Working voltage: DC 9V, 6F22 battery, or AC adaptor(110V- 240V, DC 9V,optional). Probe warm up time: about 25 seconds. Working time: about 5 hours for continuous use. Working temperature: 18 to 30.
Opened to test, so good as new, instructions incl.
Payment must be made day following close
