Varian 948, Руководство по эксплуатации и обслуживанию

Страница: 157 / 176

E-1
Models 947, 948 and 960 Leak Detectors Operations and Service Manual
Appendix E.
947/94
8 Spec
if
ic
ations
Ta
ble
E-
1
cont
ains
t
h
e spec
if
ic
ati
ons f
o
r M
ode
ls
947/
948/
960.
T
a
b
le E-1
947/
948/96
0
Speci
fi
cat
ions
P
la
tf
o
rm
94
7 948/
960
High V
a
c
uum P
u
mp
T
y
pe
:
Air
-c
o
o
led,
M
a
inte
na
nc
e
-F
re
e
V7
0 T
u
rb
o
Pu
m
p
ing Spe
e
d
N
2
,
7
0
l/s
V
7
0
D
M
a
c
roT
or
r
Pu
mp
in
g
S
p
e
ed
N
2
,
6
0
l/s
V
70 T
u
rb
o
Pumping S
p
e
e
d N
2
,
70 l
/s
V7
0
D
M
a
c
roT
or
r
P
u
mping Spe
e
d
N
2
,
60
l/s
R
oug
h P
u
m
p
/F
or
e
p
u
m
p
W
e
t (Oil-ba
s
e
d
)
D
ry
W
e
t (Oil-ba
s
e
d
)
D
ry
W
e
t (Oi
l-ba
s
e
d
)
R
oug
h P
u
m
p
T
y
p
e
:
F
re
e
A
ir
Di
s
p
la
c
e
m
e
n
t
DS
-2
0
2
DS
-3
0
2
DS
-402
T
ri
S
c
ro
ll™
DS
-2
0
2
DS
-302
DS
-4
02
T
ri
S
c
ro
ll™
DS
-2
0
2
DS
-302
D
S
-4
02
D
S
-2
02
DS
-3
0
2
DS
-4
0
2
19
5/
1
7
0
310
/2
5
0
4
5
0
/37
5
30
0/
2
5
0
60
0/
5
0
0
1
9
5
/1
70
31
0/
2
5
0
4
5
0
/3
75
30
0/
2
5
0
60
0/
5
0
0
1
9
5
/17
0
3
10
/2
5
0
4
50/
375
19
5/
1
7
0
3
1
0
/2
50
45
0/
3
7
5
Fo
repu
m
p
T
y
p
e
:
Fre
e
A
ir
D
is
p
la
c
e
me
n
t l
/m
, 6
0
/5
0
H
z
DS
-2
0
2
DS
-2
0
2
DS
-202
T
ri
S
c
ro
ll™
DS
-2
0
2
DS
-202
DS
-2
02
T
ri
S
c
ro
ll™
DS
-2
0
2
DS
-202
D
S
-2
02
D
S
-2
02
DS
-2
0
2
DS
-2
0
2
195
/1
7
0
3
0
0
/25
0
1
95
/1
7
0
3
0
0
/25
0
1
95/
170
V
a
c
uum
S
y
s
tem
A
rr
ang
em
en
t
C
on
tr
a F
lo
w
™
C
on
tr
a-
Fl
ow
™
w
it
h
C
o
ld
T
rap
C
o
ld
T
ra
p
C
a
p
a
ci
ty
N
/A
L
iq
u
id
n
it
ro
g
e
n
h
o
ld
f
o
r
1
4
h
o
u
rs
a
ft
e
r va
c
u
u
m
syst
e
m
c
o
o
l
d
o
w
n
.
H
e
liu
m
S
e
n
s
it
iv
it
y,
a
tm cc/
se
c
2
x 1
0
-1
0
2 x
1
0
-9
2 x
1
0
-1
0
2 x
1
0
-9
R
e
sp
o
n
se
T
ime
L
e
ss t
h
a
n
t
w
o
se
co
n
d
s f
o
r h
e
liu
m
, i
n
a
cco
rd
a
n
ce
w
it
h
A
V
S S
ta
n
d
a
rd
2
.1
.
A
m
pl
if
ie
r
Dr
if
t
L
es
s
t
h
an
2%
of
f
u
ll s
c
a
le
of
t
he
m
o
s
t s
e
n
s
it
iv
e r
a
nge
, i
n
a
c
c
o
rd
a
n
c
e
w
it
h
A
V
S
S
tan
dar
d
2.
1.
N
o
is
e
l
e
v
e
l
L
es
s
t
h
an
2%
of
f
u
ll s
c
a
le
, pe
ak
t
o
pe
ak
, i
n
ac
c
o
rd
a
n
c
e
wi
th
A
V
S
S
tan
da
rd
2.
1.
C
a
lib
rat
io
n
F
u
lly
au
to
m
a
ti
c
t
uni
ng
an
d
c
a
libr
a
tio
n r
o
ut
in
e
us
in
g
t
h
e s
tan
da
rd
c
a
lib
ra
te
d
le
ak
or
o
p
ti
o
nal
e
x
te
rn
a
l
le
ak
. A
gr
o
s
s
le
ak
i
s
m
a
nu
al
ly
c
a
lib
ra
te
d.
L
eak
I
n
d
ic
a
ti
o
n
A
5
0
-s
eg
m
e
nt
bar
g
rap
h i
n
d
ic
a
to
r d
is
p
la
y
s
l
e
a
k
r
a
te
s
aut
om
at
ic
al
ly
, at
m
c
c
/s
e
c
: f
rom
1
0
t
o
2
x
10
-1
0
.
Th
e m
a
nua
l
m
o
de
c
an
al
s
o
be
us
e
d
f
o
r an
y
de
c
ade
s
c
a
le
. A
l
e
a
k
c
an
al
s
o
t
ri
g
g
e
r an
a
udi
bl
e
al
ar
m
f
req
ue
nc
y
t
h
a
t v
a
ri
es
i
n
pr
op
or
ti
o
n
to
th
e
s
iz
e
o
f
th
e
le
a
k
.
S
p
ec
tr
o
m
e
ter
T
u
b
e
T
h
e
pr
e
a
m
p
lif
ie
r is
c
o
m
p
ut
e
r op
ti
m
iz
e
d,
t
e
m
p
e
rat
u
re s
ta
b
ili
z
e
d,
an
d s
o
lid s
ta
te.
P
ro
g
ra
m
m
ed
wa
rm
-up
m
in
im
iz
e
s
s
ta
rt
-up t
im
e
t
o
30 m
inu
te
s
. The t
u
b
e
i
s
k
e
p
t
at
a c
o
n
s
ta
n
t
te
m
p
er
a
tur
e at
a
ll t
im
e
s
t
o
m
a
in
ta
in
s
tab
ilit
y.
T
h
e i
o
n
-s
o
ur
c
e
h
a
s
d
u
a
l f
ila
m
e
n
ts
of
lo
ng
li
fe
, t
h
o
ria
-c
o
a
te
d ir
idi
um
.