Technical Data; Operating And Storage Conditions; Performance; 60 Hz - Edwards E2M28 Instruction Manual

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
conditions on page
Table 1 Operating and storage conditions
Parameter
Ambient temperature range (operation)
Ambient temperature range (storage)
Normal surface temperature of the pump-
body*
Maximum humidity (operation)
Maximum altitude (operation)
Pollution degree
Installation category
Noise level at 1 metre
Vibration severity†
* 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
measurements were taken using an untrapped total pressure capacitance diaphragm
gauge on a header, as specified by Pneurop standards.
Table 2 Performance data
Parameter
50 Hz electrical supply
60 Hz electrical supply
Maximum pumping speed - Pneurop
50 Hz electrical supply
60 Hz electrical supply
Motor rotational speed
50 Hz electrical supply
A37310880_V - Technical data
12.
Figure: Dimensions (mm) on page 14
Page 12
Table: Operating and storage
Reference data
13 to 40 °C
- 30 to 70 °C
45 to 65 °C
90% RH
2000 m
2
II
57 dB(A) (at 50 Hz)
Class 1C
below,
E2M28 E2M30
19 cfm
3 -1
32.2 m h
3 -1 23 cfm
38.9 m h
3 -1 16.2 cfm
27.5 m h
19.4 cfm
3 -1
33.0 m h
-1
1440 r min 1440 r min
-1