Cosmo LS-1866, Руководство по эксплуатации

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7 BASIC OPERATIONS 39
7
7
BASIC OPERATIONS
7
7
.
.
1
1
T
T
u
u
r
r
n
n
i
i
n
n
g
g
o
o
n
n
P
P
o
o
w
w
e
e
r
r
Turn the power on by pressing the rear-panel power switch. The leak tester starts self-checking its ROM,
RAM, and else. It takes about 3 seconds to complete the check.
7
7
.
.
2
2
S
S
e
e
t
t
t
t
i
i
n
n
g
g
a
a
T
T
e
e
s
s
t
t
P
P
r
r
e
e
s
s
s
s
u
u
r
r
e
e
Use the rear panel-mounted regulator to set a test pressure. Adjust the test pressure by turning the knob
while observing the front-panel pressure gauge reading. If using the regulator for stabilizing the source
pressure, adjust the source pressure first.
7
7
.
.
3
3
T T e e s s t t P P r r e e s s s s u u r r e e G G a a u u g g e e U U p p p p e e r r a a n n d d L L o o w w e e r r L L i i m m i i t t S S e e t t t t i i n n g g
The pressure gauge indicates the error, and the tester transmits the error signal when the test pressure
exceeds the programmed upper and lower limit limits. Setting the limits eases test pressure management.
The smallest settable test pressure limits, each upper/lower limit varies depending on the specifications
and performance of the test pressure sensor and the regulator. The pressure limits should be larger
than the sum of the test pressure and the value in the table below.
L M V H10 H15
Low · Medium/
High(H10) · Vacuum
Hi-1, Hi-2 +3 kPa +24 kPa +2.5kPa +2.5kPa
Lo-1, Lo-2 -3 kPa -24 kPa -2.5kPa -2.5kPa
High (H15)
P1H, P2H - - - - +50 kPa
P1L, P2L - - - -50 kPa
NOTE