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Section 6Degree of Protection
RFID System
User's Manual
Section 6
Appendices
Degree of Protection
International 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) Standards (IEC60529 November
1989)
Degree of Protection from Solid Materials
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 diame-
ter.
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 fresh 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
drops
Protects against drops of
water approaching at a maxi-
mum angle of 15
° to the left,
right,
back, and front of 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 maxi-
mum angle of 60
° from verti-
cal towards the product.
Water is sprinkled at a
maximum angle of 60
° to
the left and right from verti-
cal for 10 min from the test
machine.
50 mm dia
12.5 mm d
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