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CIDRW System
User’s Manual
SECTION 7
Prot
ec
tive
Cons
tr
uct
io
n
SECTION 7
Appendix
115
■
Oil Resistance (OMRON in-house standard)
3
Protection against spraying
water
The product suffers no ill
effects from a water spray
directed at it at up to 60
°
from
vertical.
Using the test apparatus
shown in the figure to the
right, water is sprayed
from both directions, onto
both sides of the product,
at angles up to 60
°
from
vertical for 10 minutes.
4
Protection against splashing
water
The product suffers no ill
effects from water splashed
on it from all directions.
Using the test apparatus
shown in the figure to the
right, water is splashed
onto the product from all
directions for 10 minutes.
5
Protection against water
jets
The product suffers no ill
effects from a water jet aimed
directly at it from all directions.
Using the test apparatus
shown in the figure to the
right, a water jet is directed
at the product from all
directions for 1 minute per
square meter of outer cas-
ing, with a minimum total
exposure of 3 minutes.
6
Protection against powerful
jets of water
Water does not enter the
product when a powerful jet of
water is directed at it from all
directions.
Using the test apparatus
shown in the figure to the
right, a water jet is directed
at the product from all
directions for 1 minute per
square meter of outer cas-
ing, with a minimum total
exposure of 3 minutes.
7
Protection against immer-
sion in water
No entry of water on
immersion in water at the
stipulated pressure for the
stipulated time.
Immerse in water for 30
minutes at a depth of 1
meter (when the height of
the apparatus is less than
850 mm).
8
(See note.)
Protection against
immersion in water
The product can be used
while continually immersed in
water.
Depends on arrange-
ments made between the
manufacturer and the user
of the product.
Note: OMRON Test Method
Usage condition: 10 m or less under water in natural conditions
1. No water ingress after 1 hour under water at 2 atmospheres of pressure.
2. Sensing distance and insulation resistance specifications must be met after 100 repetitions of half hour in 5
°
C water
and half hour in 85
°
C water.
About IPX9K
IPX9K is a protection standard regarding high temperature and high-pressure water which is defined
by the German standard (DIN 40050 PART9).
Water is sprayed on 80
°
C hot water with the water pressure of 80 to 100BAR from a nozzle to the
test piece.
Amount of water is 14 to 16 liters/minute.
The distance between the test piece and a nozzle is 10 to 15 cm, and the directions of water-
drainage are 0 degrees, 30 degrees, 60 degrees, and 90 degrees horizontally.
They are evaluated with the test piece is rotating on a horizontal plane by 30 seconds in each
direction.
Protection
Oil-resistant
No adverse affect from oil drops or oil spray approaching from any direction.
Oil-proof
Protects against penetration of oil drops or oil spray approaching from any direction.
Note.
Oil resistance has been tested using a specific oil as defined in the OMRON test method. (JIS C 0920:2003, Appendix 1)
Class
Degree of protection
Outline of test methods (tests using water)
0.07 L/min.
per hole in the
spray nozzle
0.07 L/min.
per hole in the
spray nozzle
Diameter of spray
nozzle head: 6.3
Diameter of spray
nozzle head: 12.5
90°
60°
30°
0°
10〜15cm
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