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Product number: 4622.SRI

Presidium Ruby Tester Synthetic Ruby Identifier (SRI)

Product details
PRESIDIUM SYNTHETIC RUBY IDENTIFIER
Tester for natural and synthetic rubies


  • Advanced technology that measures a ruby gemstone’s UV light transmittance ability
  • 7 colour coded (blue/red) indicator light bars to give a low or high reading of UV light transmittance
  • Help to instantaneously identify most synthetic flame fusion rubies
  • Instantaneous clear results within 2 seconds
  • Energy-saving auto power-off of device after 10 minutes without operation
  • Clear LED display
  • Low battery indicator
  • Bluetooth compatible
  • USB adaptor to connect the device with a PC for further, additional functions
  • Optional available USB-adaptor (Ref.no. 4622.790)

For rubies with the following characteristics:

  • Carat size: approx. 0.1 to 6 ct
  • Shape: popular common shapes as long as polished
  • Set jewelry: for jewelry with open-back setting only

With protective carrying case


Optional accessories:
USB adaptor (Ref.no. 4622.790) to connect the SRI to a power supply

Application: coloured gemstones
Battery supply with: 2 x micro batteries AAA/LR03, battery/batteries not included
Branch: Watches & Jewellery
Brand: Presidium
Dimension 1 - Length (mm): 130
Dimension 2 - Width (mm): 100
Dimension 3 - Height (mm): 65
Operation: battery and/or accu, mains operation
Stone setting: mounted gemstones with open back
Type: table device
Weight (g): 700
Product number: 4622.SRI

Presidium Ruby Tester Synthetic Ruby Identifier (SRI)

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# 4622.790
USB-adaptor for Presidium testers
for 4622.75 - 4622.SDS - 4622.SRI - 4622.65 - 4622.80