Rs Mizar Diamond Detective | DIA-620.00

Description

This diamond tester is quick and precise allowing you to test multiple diamonds in rapid succession. Tester alerts you if you touch metal and does nothing if a non-diamond stone is touched. Has a large/small switch for testing diamonds over and under 8 points. Only has a 7 second warm-up time with a 150 second shut-off alarm. Also features a low battery indicator for the 9 volt battery (included).