63
RFID System
User's Manual
Section 5 Degree of Protection
Section 5
Chemical Resistance
Degree of Protection
Ingress protection degrees (IP-@@) are determined by the following tests. Be sure to check the sealing capa-
bility under the actual operating environment and conditions before actual use.
IP indicates the ingress protection symbol.
IEC (International Electrotechnical Commission) Standards
IEC 60529: 1989-11
(A) First Digit: Degree of Protection from Solid Materials
(B) Second Digit: Degree of Protection Against Water
Degree Degree
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 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 maxi-
mum angle of 15
° to the left,
right, back, and front from ver-
tical 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.
50 mm dia.
12.5 mm dia.
2.5 mm
1 mm
200 mm
200 mm
15˚
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