Presidium Diamond Mate A (PDMT-A) - TD5610

Pocket-sized instrument that instantly verifies the authenticity of diamonds based on their thermal properties.

The Presidium Diamond Mate A Tester (PDMT-A) has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With an industry leading probe tip size of 0.6mm, PDMT-A tests diamonds as small as 0.02ct. Test results are instantly indicated by an LED light and continuous audible beep.



Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone
Thin probe tip (0.6mm) for testing diamonds as small as 0.02ct
Metal alert buzzer to ensure that probe tip is in contact with stone during testing
No waiting time between tests
Clear and easy-to-read LED display
Rechargeable batteries
Low battery indicator
Low battery consumption
Verifies authenticity of diamonds instantly
Tests both polished and unpolished gemstones
Tests diamonds as small as 0.02ct
Consistent and reliable results every time
No waiting time between tests
Clear and visible display for ease of reading measurements
Simple and easy to use
Light and portable for convenience
Power & Battery
PDMT-A: 3 x AAA alkaline batteries (NOT SUPPLIED) (approximately 7 hours of continuous use)
Recommended Operating Conditions
Optimal Operating Temperature: 18°C – 27°C (65°F – 80°F)
Storage Temperature: 10°C – 51°C (50°F – 124°F)
Dimensions & Weight
Length: 160mm (6.30 inches)
Width: 21mm (0.83 inches)
Height: 30mm (1.18 inches)

20% VAT£21.71
Quantity discounts: 
Qty12 - 910 - Unlimited
Quantity per unit: 
Packaged weight: 
0.169 kg
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Average: 5 (1 vote)


Prices displayed ex VAT. VAT (@ 20%) only applies to Great Britain & N.Ireland.