User's Manual

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Section 6 Degree of Protection
RFID System
User's Manual
Section 6
Appendices
Degree of Protection
Ingress protection degrees (IP-@@) are determined by the following tests. Be sure to check the sealing
capability under the actual operating environment and conditions before actual use.
 IEC (International Electrotechnical Commission)
IEC 60529:1989-11
(A) First Digit: Degree of Protection from Solid Materials
(B) Second Digit: Degree of Protection Against Water
Degree Protection
0
No protection
1
Protects against penetration of any solid object such as a hand that is 50 mm or more in diameter.
2
Protects against penetration of any solid object, such as a finger, that is 12.5 mm or more in
diameter. Even if finger or other object 12 mm in diameter penetrates, it will not reach a hazardous
part.
3
Protects against penetration of any solid object, such as a wire, that is 2.5 mm or more in diameter.
4
Protects against penetration of any solid object, such as a wire, that is 1 mm or more in diameter.
5
Protects against penetration of dust of a quantity that may cause malfunction or obstruct the safe
operation of the product.
6
Protects against penetration of all dust.
Degree Protection Test method (with pure water)
0 No protection Not protected against water. No test
1 Protection against water
drops
Protects against vertical drops
of water towards the product.
Water is dropped vertically
towards the product from
the test machine for 10
min.
2 Protection against water
drop
Protects against drops of
water approaching at a
maximum angle of 15° to the
left, right, back, and front from
vertical towards the product.
Water is dropped for 2.5
min each (i.e., 10 min in
total) towards the product
inclined 15° to the left,
right, back, and front from
the test machine.
3 Protection against
sprinkled water
Protects against sprinkled
water approaching at a
maximum angle of 60° from
vertical towards the product.
Water is sprinkled for 10
min at a maximum angle of
60° to the left and right
from vertical from the test
machine.
50 mm di
a
12.5 mm d
i
2.5 mm
1 mm
200 mm
200 mm
15°