620g / 0.1g, Ohaus SJX622M Magnification_Multi magnification Can test any stone mounted

Can test any stone mounted in jewellery and it also comes with a stone-holder for testing loose stones

Now find a calculator and do a simple calculation

Magnification: the manufactures say 3X

Start-up and initialisation:

5mns to carry out the first test

620g / 0.1g, Ohaus SJX622M Magnification_Multi magnification Can test any stone mountedSummary Full size table balance. Approved by Trading Standards for use in trade. That means you can use this for weighing precious metals when buying by weight. Approved for use anywhere, not limited by location (as are the older models of approved balances). 620g 0. 01g when used for your own information, away from customers 620g 0. 1g when used in front of customers for buying precious metals (it will still give a reading to 0. 001g, you're meant to