CMI700 probe Description:
Hitachi SRP-4 probe for CMI700 Series surface gauge,normally for Oxford and Hitachi guage, Standard tip (9.4mm spacing)
Function
CMI700 SRP-4 probe (Micro-resistance probe) for measurement of PCB surface copper thickness. Includes 1 standard tip (9.4mm spacing). To be used for the CMI700 Series.
Oxford SRP-4 probe cooper thickness testing range:
Chemical cooper:10 μin – 500 μin (0.25 μm – 12.7 μm)
electroplating cooper:0.1 mil – 6 mil (2.5 μm – 152 μm)
lind with range:8 mil – 250 mil (203 μm – 6350 μm)
accuracy:±1% (±0.1 μm) according to standard plate
Accuracy
chemical cooper:standard deviation 0.2 %;
electroplating cooper:standard deviation 0.5 %
resolution:0.01 mils ≥ 1 mil, 0.001 mils <1 mil,
0.1 μm ≥ 10 μm, 0.01 μm < 10 μm, 0.001 μm < 1 μm