Performance Characteristics - Edwards RV3 Instruction Manual

MODE
SELECTOR
Closed (position '0')
POSITION
High Vacuum mode  Ultimate total pressure
mbar
-3
2 x 10
Use for the best
ultimate pressure

High Throughput mode Ultimate total pressure
mbar
-2
3 x 10
Use for continuous inlet pressure
50 mbar/5 x 10
Table 5 - Performance characteristics
Low flow (position 'I')
Ultimate total pressure
Pa mbar
-1 -2
2 x 10 3 x 10
Maximum water vapour pumping rate
1-phase pumps
-1
0.06 kg h
Ultimate total pressure
Pa mbar
-2
3 6 x 10 (RV3/5)
-2
4 x 10 (RV8/12)
Maximum water vapour pumping rate
above
1-phase pumps
3
Pa
-1
0.06 kg h
GAS BALLAST CONTROL
Pa
3 1.2 x 10
1.0 x 10
6 x 10
Maximum water vapour pumping rate
3-phase pumps 1-phase pumps
-1
0.04 kg h 0.22 kg h
0.29 kg h
Pa
6 (RV3/5) 1.2 x 10
4 (RV8/12) 1.0 x 10
6 x 10
Maximum water vapour pumping rate
3-phase pumps 1-phase pumps
-1
0.04 kg h 0.22 kg h
0.29 kg h
High flow (position 'II')
Ultimate total pressure
mbar Pa
-1 1
(RV3) 1.2 x 10 (RV3)
-1 1
(RV5) 1.0 x 10 (RV5)
-2
(RV8/12) 6.0 (RV8/12)
3-phase pumps
-1 -1
(RV3/5/8) 0.12 kg h (RV3/5)
-1 -1
(RV12) 0.20 kg h (RV8)
-1
0.25 kg h (RV12)
Ultimate total pressure
mbar Pa
-1 1
(RV3) 1.2 x 10 (RV3)
-1 1
(RV5) 1.0 x 10 (RV5)
-2
(RV8/12) 6.0 (RV8/12)
3-phase pumps
-1 -1
(RV3/5/8) 0.12 kg h (RV3/5)
-1 -1
(RV12) 0.20 kg h (RV8)
-1
0.25 kg h (RV12)