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21. Warranty
21-1. Warranty
The instrument is covered by a warranty for a period of one year from the date of delivery.
As for repairs and/or after service is required during the period of warranty, contact with us sales
office or sales agent from which you have purchased.
21-2. Repair
Before asking repairs, check once again that the connection, setting and adjustment for the
instrument have finished properly.
Especially, check whether the connections of strain gage applied transducers are disconnected or
cut off.
As a result of checking, still there may have some defects in the instrument, contact with our sales
office or sales agency from which you have purchased.
22. Lifetime of used parts
The parts used in the instrument will have lifetime. It may differ depending to application method
and environmental conditions, the rough standard of lifetime of each shall be as follows:
Name of Parts Application Rough standard of lifetime
Display module Display
Approx. 45000 hours (Environmental temperature : 50℃)
EEPROM Record of set data
Write to EEPROM. Approx.1 000 000 times.
Electrolytic capacitor For smoothing
switching power supply
Approx.10 years（Environmental temperature : 20℃）
Battery Back up of RAM
Approx.10 years（Environmental temperature : 20℃）
22-1. Display module
When using CSD-903 at the ambient temperature of approx. 50℃, the display will flicker is about
45,000 hours, and the phenomenon of the luminance’s decreasing.
22-2. EEPROM
When writing is made to EEPROM more than the time of lifetime, you can’t write to the data any
more, so exchange shall be required.
22-3. Electrolytic capacitor
It may be influenced largely by some applied conditions such as environmental temperature and so
on.
22-4. Battery
It may be influenced largely by some applied condition such as environmental temperature and so
on, but the lifetime shall be for approx. 10 years in room temperature at 20 ℃.
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