Instruction Manual MM850404 ed.05
30
6.4 Pressure
Decay
Procedure
(option)
6.4.1
Test A (1 minutes)
This optional operative mode allows you to perform Gas network leak test with pressure decay procedure.
Before starting the test you have to isolate and to empty the gas network section to be tested.
CAUTION
BE
SURE
TO EMPTY AND CLEAN THE CIRCUIT
:
OVERPRESSURE
,
DUST
,
LIQUID BECAUSE CONDENSATION MAY DAMAGE
THE INSTRUMENT
’
S INTERNAL CIRCUITS
.
CAUTION
A
+300
H
P
A
(
OR
–300
H
P
A
)
OVER
-
PRESSURE CAN PERMANENTLY DAMAGE THE PRESSURE SENSOR
.
To perform the leak test, press the [
MENU
] key from measuring page.
To Zeroing the sensor the sensor offset press the [
T
] key.
Press the [
ENTER
]. Key to start procedure.
The instrument will display the initial pressure to the P1 final input and the final pressure P2 and above as third
parameter there is the countdown of 60 seconds. When the this countdown will end then the user will be able to see the
value of
Δ
P.
Press the [
] key to print the leak results.
