Edwards A37315903, Instruction Manual

Page: 16 / 56

3. Technical data
3.1 Operating and storage conditions
Note:
To comply with EN 61010 and CSA standards, the pump must be installed and used
indoors and within the operating conditions specified in Table: Operating and storage
conditions on page 12 .
Table 1
Operating and storage conditions
Parameter
Reference data
Ambient temperature range (operation) 13 to 40 °C
Ambient temperature range (storage) - 30 to 70 °C
Normal surface temperature of the pump-
body*
45 to 65 °C
Maximum humidity (operation) 90% RH
Maximum altitude (operation) 2000 m
Pollution degree 2
Installation category II
Noise level at 1 metre 57 dB(A) (at 50 Hz)
Vibration severity† Class 1C
* At ultimate vacuum, with ambient temperature of 20 °C.
† Measured at the inlet port to ISO 2372 (1974).
3.2 Performance
Note:
Where total pressures are shown in Figure: Dimensions (mm) on page 14 below,
measurements were taken using an untrapped total pressure capacitance diaphragm
gauge on a header, as specified by Pneurop standards.
Table 2
Performance data
Parameter E2M28 E2M30
50 Hz electrical supply
32.2 m
3
h
-1 19 cfm
60 Hz electrical supply
38.9 m
3
h
-1 23 cfm
Maximum pumping speed - Pneurop
50 Hz electrical supply
27.5 m
3
h
-1
16.2 cfm
60 Hz electrical supply
33.0 m
3
h
-1
19.4 cfm
Motor rotational speed
50 Hz electrical supply
1440 r min
-1
1440 r min
-1
Page 12
A37310880_V - Technical data