The DIAPRO JEM-II 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, except synthetic Moissanite which has similar thermal conductivity to Diamond.
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.
Can be connected with A/C adaptor for long time indoor use.
One year manufacturer's warranty.
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°C to 30°C.
Size : 168mmx31mmx21mm
Net Weight: 55g (not including battery)
Gross Weight: 80g (packed in white box)
Gross Weight: 155g (packed in gift box)
We could provide OEM products. You could use your own brand logo on the testers.