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19.
Recommended parts replacement interval
It is recommended to exchange parts periodically as preventive maintenance for using this recorder under
good conditions for a long time
19.1 Operating conditions
The reference of the parts exchange intervals is under the following standard conditions. The intervals
become shorter if environmental conditions are worse than the standard conditions.
Items
Conditions
Items
Conditions
Temperature 20 to 25°C
Humidity
20 to 80%RH
Operation
time
8 hours/day
Corrosive
gas
Not existed
Others
1) A place without dust, moisture or
oily smoke
2) A place without vibrations or
shocks
3) A place where the operation is
not adversely affected
19.2 Reference of parts exchange intervals
Part name
Reference of
exchange
Remarks
Power supply unit
5 years
At the ambient temperature of 25°C
LCD 5
years
Key 5
years
70,000 times
Resistance load
(Less than the rated contact rating)
Relay (For mechanical
alarm output)
20,000 times
Inductive load
(Less than the rated contact rating)
Lithium battery
5 years
Ｗ
hen the LCD reduces its brightness to half, exchange it. The reduction of brightness differs
depending on the usage conditions.
The replacement interval can be extended by using the screen saver function or by setting the
brightness control small.
For replacing parts, ask the service personnel authorized by CHINO. Otherwise, this instrument may
not recover properly and also accident may occur.
Contact your local CHINO’s sales agent to perform parts replacement.
Warning
19
