Omron V670-CF01, User Manual, Page: 89 / 92

SEC
TI
O
N
6
D
e
gr
e
e
of P
rot
e
c
tion
SECTION 6
Appendices
87
Electromagnetic Inductive RFID System
User's Manual
■
JEM (Japan Electrical Manufacturers Association) Standard (JEM1030:
1991)
(A) Complies with 1st and 2nd symbols of IEC60529.
Note: There are four other classes: "h", "c", "d", and "e".
3 Protection against water
spray
No adverse effect from water
spray from within 60
°
of a
vertical line.
Spray water in an area within 60
°
to the right and left
from a vertical line for 10 minutes, using the tester
shown in the following figure.
4 Protection against water
splash
No adverse affect from water
splash from any direction.
Spray water for 10 minutes from all directions, using the
tester shown in the following figure.
5 Protection against water jet
flow No adverse affect from direct
water jet flow from any
direction.
Spray water from all directions for 1 minute per surface
area 1 m
2 , for a total of 3 minutes or more, using the
tester shown in the following figure.
6 Protection against extreme
water jet flow
No adverse effect from
extreme direct water jet flow
from any direction.
Spray water from all directions for 1 minute per surface
area 1 m
2
, for a total of 3 minutes or more, using the
tester shown in the following figure.
7 Protection against water
soaking No water penetration, even if
the object is immersed in
water of a specified pressure
for a specified time.
Immerse the object to a depth of 1 m (when the height
of the device is less than 850 mm), for 30 minutes.
8 Protection against water
immersion
Can be used when always
immersed in water.
Agreement to be reached between the manufacturer
and the device user.
(B) Protective Classification for Oil Penetration
Class Protection level
f Oil-retaining type No adverse affect from oil drops or oil spray from any direction.
g Oil-resistant type Oil drops and oil spray from any direction do not enter.
Class Protection level Test method overview (tested with fresh water)
0.07
l
/min per spray hole
0.07
l
/min per spray hole
12.5
l
/min
2.5 to 3 m
100
l
/min
2.5 to 3 m
1 m