Andy's Orchids High Accuracy Diamond Tester Pen, Jewelry Diamond Tester Tool, Gem Selector Jewelry Watcher Tool, LED Diamond Indicator Electronic Gemstone Selector for Jewelry Jade Ruby Stone

Brand New and High Quality Name:High Accuracy Diamond Tester Pen Type: Jewelry Tools Jewelry Tools Type: Testers & Measurements Material: Metal+Plastic Size:13.5*4*2cm(5.3*1.6*0.8inch) Color:Light Black Powered: DC 9V battery x 1 (not included ) Package Include: 1 x Diamond Tester Pen 1 x Leather bag 1 x User manual

• How to prepare: 1.Mark on the battery. 2.Turn the Power Swith On. 3.Confirm the Battery Lamp lights up. 4.Wait for about 30 seconds till the Ready Lamp lights up.
• DIAMOND SIMULANTS(Except Synthetic ): 1. No 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 ALERT: 1. 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.) 2.The Diamond Selector II 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.
• Product manual: 1.The thermal conductivity meter is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the authenticity of diamonds. 2.Use environment is 5-35 degrees Celsius, and the relative air humidity is less than 80%. 3.The gemstone to be tested must be clean, dry and at room temperature.
• Technical characteristics: 1.Portable ,handheld. 2. Non-destructive testing, easy and accurate operation. 3.Working power supply: DC9V battery.