2.34ct Oval Faceted Sapphire 9.1x7.1mm engravers wax P-3: Close in the Range:

P-3: Close in the Range: when the detecting current is between I1 and I2

Sizes (approx

Multi-functional transistor tester for automatic detection of NPN and PNP bipolar transistors

Weight: 450 grams

It is widely applied in a range of professional fields

2.34ct Oval Faceted Sapphire 9.1x7.1mm engravers wax P-3: Close in the Range:Sapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the