Kane 425 - Let-By and Tightness Testing; Let-By Test Procedure; Tightness Test Stabilisation

KANE425 manual Page 16
4.3 LET-BY & TIGHTNESS TESTING
Select “Tightness”. The pump stops automatically. Press
to auto-zero
the pressure sensor. Connect from the test point to P1 using a black connector
and manometer hose.
The display shows “LET BY?”. Use
, and to select YES or NO.
If YES is selected set the let-by pressure then press
to start the let-by test.
The display shows:
LET BY
→
The let-by test is automatically stored in
the memory
P1 10.15
→ Pressure at start of let-by test
P2 10.15
→ Real time pressure reading
TIME 59
→
Let-by default time is 1 minute. Can be
changed via “Menu”
If the let-by test fails simply move the rotary switch to any position other than
“tightness” to abort the test.
If the let-by test passes adjust the gas pressure for the tightness test and press
to start the stabilisation test. The display shows:
STABIL’N
P1 20.01
→
Real time pressure during the stabilisation
test
mBAR
→ Pressure units
TIME 59
→
Stabilisation default time is 1 minute. Can
be changed via “Menu”.