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46
17.2 SEPARATE 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
F1
(or F1 2 set to F1)
4 mm (0.16”)
25 mm (0.98”)
85 mm (3.35”)
4 mm (0.16”)
250 µm (10 mil)
F1 2
(set to F2)
4 mm (0.16”)
25 mm (0.98”)
89 mm (3.50”)
8 mm (0.32”)
1 mm (40 mil)
F1 Right Angle
(or F1 2 set to F1)
4 mm (0.16”)
25 mm (0.98”)
28 mm (1.10”)
4 mm (0.16”)
250 µm (10 mil)
F1 2 Right Angle
(set to F2)
4 mm (0.16”)
25 mm (0.98”)
32 mm (1.26”)
8 mm (0.32”)
1 mm (40 mil)
F1 Telescopic
4 mm (0.16”)
25 mm (0.98”)
32 mm (1.26”)
4 mm (0.16”)
250 µm (10 mil)
F1 2 Telescopic
4 mm (0.16”)
25 mm (0.98”)
36 mm (1.42”)
8 mm (0.32”)
1 mm (40 mil)
F3
15 mm (0.59”)
40 mm (1.57”)
102 mm (4.02”) 14 mm (0.55”)
2.5 mm (100 mil)
F6
35 mm
170 mm
150 mm
51 x 51 mm
(2" x 2")
5 mm (200 mil)
Op_456_3_English.book Page 46 Thursday, January 22, 2009 7:58 PM
