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Electromagnetic Inductive RFID System
User's Manual
SECTION 6
Appendices
Degree of Protection
IP-
@@
is classified by the test method described below. Check sealing in a working environment and
operating conditions in advance. IP refers to the International Protection code.
■
IEC (International Electrotechnical Commission)
Standards (IEC60529: 1989-11)
(A) Protective Classification for “1st symbol” Solid Foreign Objects
(B) Protective Classification for “2nd symbol” Water Penetration
Class
Protection level
0
No protection.
1
Solid foreign material 50 mm or more in diameter (e.g., a hand) cannot enter.
2
Solid foreign material 12.5 mm or more in diameter (e.g., a finger) cannot enter.
3
Solid foreign material 2.5mm or more in diameter (e.g., wire) cannot enter.
4
Solid foreign material 1 mm or more in diameter (e.g., wire) cannot enter.
5
Dust, in a volume that interferes with the normal operation of devices or reduces safety, cannot
enter.
6
No dust can enter.
Class
Protection level
Test method overview (tested with fresh water)
0
No particular protection
No particular protection
against water penetration.
No test.
1
Protection against drops of
water
No adverse effect from water
drops from vertically above.
Drop water for 10 minutes using a water drop tester.
2
Protection against drops of
water
No adverse effect from water
drops from within 15
°
of a
vertical line.
Drop water to an object set at an incline of 15
°
for 10
minutes (2.5 minutes in each direction) using a water
drop tester.
50 mm dia.
12.5 mm dia.
2.5 mm
1 mm
200 mm
200 mm
15
°