＊To maximize performance, select full scale pressure range to indicate normal operating pressure which comes to 　conditions below.
For constant pressure　: The maximum operating pressure should not exceed three-quarters of the full-scale range.
For fluctuating pressure: The maximum operating pressure should not exceed two-thirds of the full-scale range.
Select appropriate wetted parts compatible with process fluid (gas and liquid) which the gauge will be　subjected.
Please refer to JIS B 7505-1 for details.

＊Specify use no oil for oxygen service.
Specify corrosion resistant and use no oil for Acetylene measurement application.