UL 639 Figure 7.4 Accessibility Probe
Technology Parameter:
1. Test finger diameter: 25.4 mm (1 inch)
2. Test finger length: 101.6 mm (4 inch)
3. Head radius: R12.7 mm (1/42 inch)
4. Tail diameter: 31.75 mm (1-1/4 inch)
5. Material: stainless steel and nylon
Accessibility Probe of UL 639 Figure 7.4
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