-9-
6.2 Converting the pressure units from mbar to psi
NOTE:
The 3M™ 101 Series Integrity Tester is sold with pressure units programmed in mbar. To convert the pressure
units displayed in psig, execute the following procedure:
1.
After the Integrity Tester has been turned on, press the START key.
2.
Using the Up Arrow key select “SERVICE ?”.
3.
Enter the Service menu by pressing the “#” key.
4.
When requested, enter security code “7”.
5.
Using the Up Arrow key, select “configuration ?” and press the START key.
6.
You will now be able to change the pressure units to psi by pressing the “ * ” key.
7.
Using the Up Arrow key, select * SERVICE * and press the STOP key to return to the main functions menu.
6.3 Running a Pressure Hold Test (PHT)
The 3M 101 Series Integrity Tester will determine whether the entire filter system (housing and piping) has any leaks
and whether or not the installed filters are structurally integral. Before testing the filter, the filter cartridge must be
fully wetted. (Follow 3M Purification’s recommended wetting conditions for the grade of filter installed.) It is impor-
tant the operator ensures that the whole surface of the membrane is wet. When wetting out of the filter has been
achieved, open the upstream and downstream housing drain valves to drain the housing of excess water.
When the 3M 101 Series Integrity Test Device is first turned on, the display will provide displays ‘CONTINUE: *
Info The keyboard entries and screen texts describe below show the operational sequence in the standard version of the product.
Connect the 3M 101 Series Integrity Test Device to the housing to execute the test. See Figure 4.
0
1
2
3
4
Figure 4
Info
Immediately after switching on, the device is in the beginning of the FILTER TEST function.
Press START.
Appears only if activated in CONFIGURATION:
Enter your user code ID (up to a 4 digit numerical code numbers can be used)
If the test program number to be run is displayed.
If the displayed test program number is incorrect, enter correct test program number. The
number selected will replaces the displayed number
If you have selected a program that has not yet been defined, the "not defined" indicator appears.
“filter unknown” will be displayed if the program number selected has not been previously programmed into
the 3M 101 Series Integrity Test Device.
For the following steps connect the 3M 101 Series Integrity Test Device to the housing, then press START
KEY to begin executing the test.
If there is no pressure on the filter, the 3M 101 Series Integrity Test Device indicate to the Operator to open
the compressed air connection valve. The red LED will flash as the pressure increases.
TEST FILTER ?
PROCEED >
USER CODE ?
PROCEED >
START
TEST PROGRAM NO 12
PROCEED >
TEST PROGRAM NO
UNKOWN >
START TEST?
>
PRESSURE?
10.00 PSI
