106
Se
c
tion 6
De
gr
e
e
of P
rot
e
c
tion
Heat-resistive 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.
IP indicates the International Protection symbol.
• IEC (International Electrotechnical Commission) Standards (IEC60529
November 1989)
(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 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
drops
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
°
