Presidium Digital GEM Refractometer
This digital refractometer has the ability to measure the
range of RI value from 1.000 to ~3.000, covering the
most common gemstones on the market including diamonds
and moissanite. No RI liquid needed. The new software
enables the user to further narrow the list of
possible colored gemstones by entering known values
such as color, hardness and specific gravity value.
Identifies diamonds, moissanites and gemstones instantly.
Narrow the selection of the possible gemstones through
values such as via R.I., color, hardness
and S.G. Contains
57 Gemstone properties.
Tests on transparent gemstones, with flat polished surface.
Ideal for separation of gemstones
Speed up on the identification of gemstones in parcel.
Consistent and reliable results every time.
Power: 9V batteries or AC adapter (optional)
Weight: 0.50 lbs
One year factory warranty