Heat-resistive RFID System
User's Manual
S
e
c
tion 6
De
gr
e
e
of Pr
ote
c
tion
Section 6
Appendices
107
• JEM (Japan Electrical Manufacturers Association) Standard (JEM1030: 1991)
(A) Complies with 1st and 2nd symbols of IEC 60529.
Note: There are four other classes: “h”, “c”, “d”, and “e”.
3
Protection against sprin-
kled water
Protects against sprinkled
water approaching at a maxi-
mum angle of 60
°
from verti-
cal towards the product.
Water is sprinkled for
10 min at a maximum
angle of 60
°
to the left and
right from vertical from the
test machine.
4
Protection against water
spray
Protects against water spray
approaching at any angle
towards the product.
Water is sprayed at any
angle towards the product
for 10 min from the test
machine.
5
Protection against water jet
spray
Protects against water jet
spray approaching at any
angle towards the product.
Water is jet sprayed at any
angle towards the product
for 1 min per square meter
for at least 3 min in total
from the test machine.
6
Protection against high
pressure water jet spray
Protects against high-pres-
sure water jet spray approach-
ing at any angle towards the
product.
Water is jet sprayed at any
angle towards the product
for 1 min per square meter
for at least 3 min in total
from the test machine.
7
Protection underwater
Resists the penetration of
water when the product is
placed underwater at speci-
fied pressure for a specified
time.
The product is placed 1 m
deep in water (if the prod-
uct is 850 mm max. in
height) for 30 min.
8
Protection underwater
Can be used continuously
underwater.
The test method is deter-
mined by the manufac-
turer and user.
(B) Protective Classification for Oil Penetration
Class
Protection
f
Oil-resistant type
No adverse affect from oil drops or oil spray approaching from any direction.
g
Oil-proof type
Protects against penetration of oil drops or oil spray approaching from any direction.
Degree
Protection
Test method (with pure water)
Water rate is
0.07 liter/min
per hole.
Water rate is
0.07 liter/min
per hole.
Discharging nozzle: 6.3 dia.
12.5 liter/min
2.5 to 3 m
Discharging nozzle: 12.5 dia.
100 liter/min
2.5 to 3 m
1 m
