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Technical data
A366-04-880 Issue A
2
Technical data
2.1
Operating and storage conditions
2.2
Performance
Note:
Where total pressures are shown in the technical data tables, measurements were taken using an untrapped
total pressure capacitance diaphragm gauge on a header, as specified by Pneurop standards.
Ambient temperature range (operation)
12 to 40°C
Normal surface temperature of the pump
body at ultimate vacuum
ambient temperature of 20°C
50 to 70°C
Maximum humidity (operation)
90% RH
Ambient temperature range (storage)
-30 to 70°C
E2M175
E2M275
Maximum Displacement
(m
3
h
-1
)
50 Hz electrical supply
178
292
60 Hz electrical supply
214
350
Maximum Speed – Pneurop
(m
3
h
-1
)
50 Hz electrical supply
160
255
60 Hz electrical supply
196
306
Motor rotational speed
r.min
-1
50 Hz electrical supply
1,440
1,440
60 Hz electrical supply
1,720
1,720
Ultimate vacuum
without gas-ballast (partial pressure)
mbar
(Pa)
10
-4
(10
-2
)
10
-4
(10
-2
)
without gas-ballast (total pressure)
mbar
(Pa)
1 x 10
-3
(1 x 10
-1
)
1 x 10
-3
(1 x 10
-1
)
with full gas-ballast (partial pressure)
mbar
(Pa)
5 x 10
-3
(5 x 10
-1
)
5 x 10
-3
(5 x 10
-1
)
Maximum permitted outlet pressure (at full
pump throughput)
bar gauge
(Pa)
0.5
(1.5 x 10
5
)
0.5
(1.5 x 10
5
)
Maximum water vapour inlet pressure
without thermostatic
mbar
4
2
water flow valve
(Pa)
(4 x 10
2
)
(2 x 10
2
)
with thermostatic water
mbar
20
12
flow valve
(Pa)
(2 x 10
3
)
(12 x 10
2
)
Maximum water vapour pumping rate
kgh
-1
2.4
2.5
Maximum gas-ballast flow
m
3
h
-1
3
3
