Total Counter/Time Counter
H7GP/H7HP
C-59
Counters
Degree of Protection
Protection Against Solid Foreign Objects
Protection Against Harmful Ingress of Water
JEM Standards
Protection Against Oil
IP - 6 6 G
Protection against harmful ingress of water
Protection against solid foreign objects
Protection Specification Code (International Protection) (IEC529)
Japan Electrical Manufacturers Association's standards (JEM1030)
Protection against oil
Grade Protection Criteria
5
Limited ingress of dust permitted (no harmful deposit).
6
Totally protected against ingress of dust.
Dust protected
Dust-tight
Grade Protection Criteria Examination method
5
Protected against low-pressure
jets of water from all directions;
limited ingress permitted.
Spray water from all directions for one minute per m2 of external sur-
face area and for a total time of no less than 3 minutes using the test
device shown below.
6
Protected against strong jets of
water, e.g. for use on ship-
decks; limited ingress permit-
ted.
Spray water from all directions for one minute per m2 of external sur-
face area and for a total time of no less than 3 minutes using the test
device shown below.
Housing jets from all
directions
12.5 l/min
2.5 to 3 m
Discharging nozzle dia.: 6.3
Strong hosing jets from all
directions
100 l/min
2.5 to 3 m
Discharging nozzle dia.: 12.5
Grade Protection Criteria Criteria
F
Oilproof Protected against improper op-
eration due to oil drops or spray
from any direction.
No penetration of oil to the extent of interfering with proper operation
after dropping the specified cutting oil on a test device for 48 hours at
a rate of 0.5
l
per hour.
G
Oil resistant Protected against penetration
of oil drops or spray from any
direction.
No penetration of oil after dropping the specified cutting oil on a test
device for 48 hours at a rate of 0.5
l
per hour.
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