9-17
Chapter 9 Maintenance and Inspection
9-4 Replacement Parts
To use the product in good condition, the following parts used for the probe need to be replaced periodically. Note
that the replacement cycle may vary depending on the temperature and fluid measured.
Part name Replacement cycle
Seal cap 2 years
O-ring (Probe) 2 years or
Replace the O-ring whenever the probe is
disassembled.
Rubber diaphragm (for sludge/seawater, optional
specifications P-)
2 years or
Replace the diaphragm in less than 2 years if it is
removed.