Table 6 Sound data
Declared dual
‑
number noise
‑
emission values in accordance with ISO 4871
nXL100i
nXL200i
Measured A
‑
weighted emission sound pressure level, L
pA
at ultimate vacuum 1 m from the pump in free space
dB(A)
56.7
55.4
Uncertainty, K
pA
dB(A)
2.5
Values from ISO 3744: 2010
Figure 6 nXL110i Performance graph
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0
20
40
60
80
100
120
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
mbar
m
3
h
-1
kW
1
2
3
nXL110i
1. nXL110i
2. nXL110i in transient overload protection
3. Supply power (kW)
1. nXL110i
2. nXL110i in transient overload protection
3. Supply power (kW)
Figure 7 nXL200i Performance graph
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
50
100
150
200
250
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
mbar
m
3
h
-1
kW
1
2
3
nXL200i
1. nXL200i
2. nXL200i in transient overload protection
3. Supply power (kW)
1. nXL200i
2. nXL200i in transient overload protection
3. Supply power (kW)
3.3 Materials exposed to gases
The materials and the components exposed to the gases in the pump are:
▪
SG iron
▪
Aluminium alloy
▪
Steel
▪
Fluoroelastomer (seals)
▪
PTFE (seals)
Page 14
A77010880_B - Technical data
