Omron V640 - Page 138

134
SECTION 6
Protective Construction
CIDRW System
User’s Manual
SECTION 6
Appendix
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 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.
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
2.5 to 3 m
Diameter of spray
nozzle head: φ6.3
2.5 to 3 m
Diameter of spray
nozzle head: φ12.5
1 m