152
Section 6
De
gre
e
of Prot
ec
tion
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 2001)
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.
50 mm
dia.
12.5 mm
dia.
2.5 mm
1 mm
200 mm
200 mm
15
°
