Portable Diamond Selector for professional diamond traders, Crazy from R1, NO Reserve!!!

How to use the Diamond  Selector?

(1)Clean your stone before testing - grease and dirt may dull the sensitivity of the Diamond Selector.

(2)Insert the 9V battery into the Diamond selector, turn on the Power Switch, make sure  the battery lamp
light is on, wait for 30 seconds till the ready lamp light is on.

(3) Adjust the level meter according the testing stone size and surrounding temperature follow the calibration chart.
Below 0.05ct, set the level meter lamp to light on up to 6.
From 0.06ct to 0.5ct, set the level meter lamp to light on up to 4.
Over 0.6ct, set the level meter lamp to light on up to 2.

(4)Gently contact the probe tip to the testing stone perpendicularly - if it is a real diamond, the LED lights
will turn red and the tester will beep 3 times.
If the stone is a diamond simulants, No beeping sound and no Red light on.
If  you touch the metal, it will have continuous buzzing sound to warn.

The  diamond selector is brand new .It is  boxed within a  black vinyl case,   a testing platform for loose stones , a Panasonic DC9V battery and an English user manual.

Specifications
 
Working voltage: DC 9V battery
Probe warm up time: 30 seconds
Working temperature: 5°C to 35°C
Dimensions: 160 x 40 x 20 mm (length x width x depth)
Net Weight: 106g
Powered by 1 pcs DC 9V  panasonic battery ( included)