Instruction Manual MM850402 ed. 08b
39
ATTENTION
T
HE USAGE OF A PRESSURE HIGHER THEN
±300
H
P
A WILL DAMAGE THE THE PRESSURE SENSOR OF THE INSTRUMENT IN
IRREVERSIBLE WAY
,
CAUSING A PERMANENT DEFORMATION OF THE MEMBRANE
.
7.9.1
Test A (1 minute)
This optional operative mode allows operator to find pipe leakage. To set and run leak test, press the [
MENU
] key from
measuring page. The following page will be displayed:
MENU
MEASURE
ION. CURR
TEMPERATURE
GAS VELOCITY
ESCAPE
–
•
Use the [
S
] and [
T
] keys to move the cursor symbol to “MEASURE” option.
•
Press the [
ENTER
] key to select the option. Press [
ESCAPE
] (F2) to return to the previous menu.
MEASURE
TIGHTNESS TEST
GAS LEAK PROBE
AMBIENT CO
T+RH% PROBE
ESCAPE
–
NEXT
•
Use the [
S
] and [
T
] keys to move the cursor symbol to “TIGHTNESS TEST” option.
•
Press the [
ENTER
] key to select the option. Press [
ESCAPE
] (F2) to return to the previous menu.
SELECT TEST
0.3 hPa
Parameters
Test Type : A
START TEST
ESCAPE
–
ZERO
•
Select “Parameters” option
PREFERENCES
Gas types : City
Net. Vol. 0.0
Tot. Vol. 0.0
Test Gas: Air
ESCAPE
–
NEXT
•
Set the follow parameters: Gas type (“City” or “Natural”) , Net. Vol.: (Total volume for Gas Network), Tot. Vol. (Internal
volume for Gas Flow Totalizer), Test Gas (“Air” or “Gas”).
•
Press Next to set Bar Press (Barometric Pressure).
•
Press
[
ESCAPE
] to return to the "SELECT TEST" page
•
Use the [
S
] and [
T
] keys to move symbol on the Test Types A
•
Select START TEST to start the procedure