Xylem OxiTopIS OC100 - Manual (Page 71)

GLP / Tools GLP / Tools
70 BA31114e5 07/2006 BA31114e5 07/2006 71
The controller sets a new test
date in the measuring head. The
controller calculates the new test
date from the current date + the
check interval set up (see the
chapter “GLP/Tools - Settings -
GLP - Check interval”).
The controller displays the setting
of the calibration date.
If the date was not set successfully (e.g. because the controller was
not held to - or not held close enough to - the measuring head):
Repeat the procedure using
,
then continue as described
above.
Pneumatic test
The pneumatic test tests the measurement precision of the measuring head. It says
nothing about the long-term impermeability of the system.
To perform the pneumatic test, you require the testing agent, OxiTop ® PT (WTW
order number 209 334).
The user interface of the controller guides you through the test:
“Check“ menu.
Use to select the
menu item “Pneumatic test “.
Set the plunger of the siringe on
the OxiTop
® PT testing agent to
5 scale parts.
Tightly screw the measuring
head to be tested onto the
OxiTop PT tesing agent.
(Exceeding the time causes a
return to the “Check“ menu“).