YOKOGAWA WT210, Руководство пользователя, Страница: 295 / 316

15-17
IM 760401-01E
Maintenance and Troubleshooting
15
15.6 Recommended Replacement Parts
The one-year warranty applies only to the main unit of the instrument (starting from the
day of delivery) and does not cover any other items nor expendable items (items which
wear out). The replacement period for expendable items varies depending on the
conditions of use. Refer to the table below as a general guideline. Contact your nearest
YOKOGAWA dealer for replacement parts.
Parts Name Specifications and Recommended Replacement Period
Current input relay (WT210 only)
This is the relay used to switch the current input circuit. The specifications
of the relay are as follows:
• Electric switching life: Approx. 50,000 times (at rated capacity).
• Mechanical life: Approx. 1,000,000 times.
Comparator function relay
This relay operates in the comparator mode. It is provided only on models
with the /CMP option. The specifications of the relay are as follows:
• Rated contact capacity: 24 V/0.5 A.
• Electric switching life: Approx. 500,000 times (at rated capacity).
• Mechanical life: Approx. 100,000,000 times.
Backup battery 3 years
(Lithium battery)