Adixen ASM GRAPH D+ - Technical Characteristics; Use Precautions with the Flexible Sniffer Probe

G 400
Long distance sniffer probe user manual
Sniffer probe with
rigid nipple (par t
number
SNCxE1Tx and
SNCxE2Tx)
Sniffer probe with
flexible nipple
(part number
SNCxE3Tx and
SNCxE4Tx)
Helium concentration in
the air
5 ppm
Maximum flow taken by
the probe
60 ± 10 sccm
(1 mbar .l/s)
≈ 100 sccm
Note: A flow variation in the sniffer probe
does not modify the
sensitivity but
ony the
response time.
ì Flow = î
Response time
Leak flow (Q) read on the
leak
detector during a
measure-ment of the He in
the air without correction
factor
Q = 5x10
-6
mbar .l/s
5x10
-6
mbar.l/s ≤ Q ≤
10
-5
mbar .l/s
Correction factor (Cor)
to apply in order to read
a leak flow in the leak
detector of 5.x10
-6
mbar .
l/s
1
0.5 ≤ Cor ≤ 1
Note
Sniffer probe
not designed
for precise
measurements
Working pressure maxi
recommended
Atmospheric pressure + 0.5 bar
GB 01962 -
Edition
03 -
June
08
T echnical
characteristics
Use precautions
with the flexible
sniffer
probe
Do not step on the probe or flatten it.
 The nipple should not be curved (ref. 1 ) without respect the
instructions below .
 The nipples should not be bent as shown below (ref. 2 and 3 ).
1
2 3
2 /8