ASTM E747 Wire Type Penetrameters consists of a series of six parallel wires of different thicknesses,
encapsulated between two thin sheets of transparent, flexible PVC. Lead characters identify the thickness of the thickest wire, and the material group(1-FE, 01-Ti, 02-Al, 03-Mg, 3-Ni, 4-Cu). The letters ASTM are also
included.

Other English Names:
Penetrameter
ASTM Image Quality Indicator

Product Parameters:
1) Dimension :(45*40*1.2)mm
2) Weight:6g
3) Wire :

Wire material :Ferrum, Available for Fe, Cu, Al, Mg, Ni&Cu.
Wire length:  50mm
limit deviation for wire diameters:
Wires up to 0.125 mm  ± 0.005 mm
Wires 0.125-0.50 mm  ±0.01mm
Wires 0.50-1.60mm ±0.02mm
More than 1.60 ±0.03 mm