User`s manual

RFID System
User’s Manual
Section 6
Degree of Protection
Section 6
Appendices
135
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.
50 mm
dia.
12.5 mm
dia.
2.5 mm
1 mm
200 mm
200 mm
15°