diamond selector 2

DIAMONDS1. Beeping sound (beep-beep-beep) 2. 1~4 of the Red Lamp box OF the Level Meter ??will light on. (More no. of Red Lamp boxes will light up for bigger sized stones.) DIAMOND SIMULANTS (Except Synthetic Moissanite)1. No Beeping sound. 2. No Red Lamp boxes will light on. Green and/or up to Yellow Lamp boxes may light on depending on the type of simulants.) METAL ALERT1. Continuous buzzing sound. (The thermal conductivity of the metal is very high and can give the same indication as a Diamond with most Thermal Probes. The Diamond Selector ?¿has a Metal Alert buzzer to warn you when the Probe tip touches metal.) If you hear the Metal Alert buzzing sound.re-touch the Probe tip so as to touch only the tested stone.