2.2 Measuring Leak Rate
2-10
IM CA700-01EN
Setting the Measurement Time
7.
Press
Time Change (F2)
.
The measurement time edit screen appears.
8.
Press
ENTER
. You can now edit the measurement time.
9.
Press the or
key to move to the digit you want to change, press the ▲ or ▼ key to set the
number.
To confirm the value, press
ENTER
.
10.
Press
Setting Done(F5)
.
The settings are confirmed.
Starting a Measurement and Saving Data
11.
Press
Start (F1)
. The leak rate measurement starts, and the F1 function key changes to “Quit.”
When the specified measurement time elapses or if you press Quit (F1), leak rate measurement
stops, and the measured data is saved.
Explanation
Measurement Function
The CA700 measures the following items and displays the result.
• Pressure at the start of measurement
• Pressure at the end of measurement
• Difference between the pressure at the start of measurement and the pressure at the end of
measurement (measurement start pressure – measurement end pressure).
• Leak rate ((measurement start pressure – measurement end pressure)/minutes)
• Measurement time
Unit, Averaging, and Scaling
Unit, averaging, and scaling are the same as with pressure measurement. See section 2.1.
Saving Measured Data
The CA700 saves the following measured data to a CSV file.
• Pressure and date/time at the start of measurement
• Pressure and date/time at the end of measurement
• Pressure difference (measurement start pressure – measurement end pressure)
• Leak rate
The file name is LEAKxx.CSV (xx: a sequence number between 00 and 99).