Elcometer 456 3 Operating Instructions Manual page 48

R
17.2 SEPARATE FERROUS PROBES
Minimum
Probe type convex surface
diameter
F1 4 mm (0.16")
(or F1 2 set to F1)
F1 2 4 mm (0.16")
(set to F2)
F1 Right Angle 4 mm (0.16")
(or F1 2 set to F1)
F1 2 Right Angle 4 mm (0.16")
(set to F2)
F1 Telescopic 4 mm (0.16")
F1 2 Telescopic 4 mm (0.16")
F3 15 mm (0.59")
F6 35 mm
a. This is the recommended maximum calibration foil value to achieve the specified accuracy under these measurement
conditions
46
Minimum
concave Headroom
surface radius
25 mm (0.98") 85 mm (3.35")
25 mm (0.98") 89 mm (3.50")
25 mm (0.98") 28 mm (1.10")
25 mm (0.98") 32 mm (1.26")
25 mm (0.98") 32 mm (1.26")
25 mm (0.98") 36 mm (1.42")
40 mm (1.57") 102 mm (4.02") 14 mm (0.55") 2.5 mm (100 mil)
170 mm 150 mm
Minimum
sample
Cal foil value
diameter
4 mm (0.16") 250 µm (10 mil)
8 mm (0.32") 1 mm (40 mil)
4 mm (0.16") 250 µm (10 mil)
8 mm (0.32") 1 mm (40 mil)
4 mm (0.16") 250 µm (10 mil)
8 mm (0.32") 1 mm (40 mil)
51 x 51 mm 5 mm (200 mil)
(2" x 2")
a