Quality - Tradition - Innovation Everything for Jewellers & Watchmakers

The PRESIDIUM ARI is a diamond tester that distinguishes natural type IA diamonds from laboratory grown diamonds (CVD/HPTH diamonds) as well as all types of moissanites by UV reflection.

Thanks to its advanced and patented technology, the ARI tester measures the UV light absorption capacity of diamonds; synthetic type IIA diamonds as well as moissanites and provides the exact result in 3 seconds on its LCD screen.

Test range: 

• Colourless diamonds & D-J moissanites, lab grown CVD/HPTH diamonds and also all types of low conductivity moissanites.
• Loose stones as well as set jewellery such as rings (open/closed back), necklaces, bracelets, etc.
• Cut diamonds and moissanites of all proportional cuts from 0.02ct and up to 10ct.

Product features & highlights:

• User-safe, spring-loaded fibre-optic test probe that is activated only when in direct contact with the object being tested.
• Replaceable test tip to minimise downtime (see accessories)
• Warning buzzer in case of loss of contact between test tip and test stone
• Automatic calibration when switched on for reliable and accurate measurement results
• User interface in 6 languages (DE - EN - IT - FR - ES - ZH)
• Equally suitable for left- & right-handers

Energy & Battery:

• Battery operation 3 x AAA alkaline batteries
• Micro USB port for operation with adapter (optionally available)

Delivery contents:

• Presidium ARI
• Protective carrying case
• Schnellstartanleitung
• USB cable

Dimensions:

(L x W x H) 190 x 46 x 25 mm

Weight:

  60 g (net)

270 g (gros)

Important notice:

The technology of the ARI is not suitable for testing Zirconia or Cubic Zirconia.

The following accessories are available:

	26757-S	Replacement tip for Presidium ARI
	R01-1704-020	Battery AAA Micro LR3