Not larger than the size of a pen MiniMate is
the smalles, most accurate diamond tester ever
made. It slips easily into your pocket and is
ideal for travelling and discreet use on buying
trips and on site appraisals. MiniMate utilises
proven thermal conductivity testing methods to
instantly verify diamond authenticity. Automatic
shut-off after two minutes of nonuse with cap
off. Foolproof calibration, and a fail-safe
mechanism that lets you pre-test instrument
functions. Low batteries indicator. Operates on
3 AAA batteries, included!