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17.3 SEPARATE NON-FERROUS PROBES
Probe type
Minimum
convex surface
diameter
Minimum
concave
surface radius
Headroom
Minimum
sample
diameter
Cal foil value
a
a.
This is the recommended maximum calibration foil value to achieve the specified accuracy under these measurement
conditions
N1
35 mm (1.38”)
25 mm (0.98”)
85 mm (3.35”)
6 mm (0.24”)
250 µm (10 mil)
N1 Right Angle
35 mm (1.38”)
25 mm (0.98”)
28 mm (1.10”)
6 mm (0.24”)
250 µm (10 mil)
N1A Anodiser’s
Probe
35 mm (1.38”)
25 mm (0.98”)
85 mm (3.35”)
6 mm (0.24”)
250 µm (10 mil)
N2
100 mm (3.97”)
150 mm (5.90”) 85 mm (3.35”)
14 mm (0.55”)
1 mm (40 mil)
N6
Flat surface
400 mm
160 mm
58 mm
Any
Op_456_3_English.book Page 47 Thursday, January 22, 2009 7:58 PM