13
Section 6: SPECIFICATION
6.10 Specifi cation Table
Welch Model
2
032
2042
2034
2
044
2
037
2
047 20
Free air Displacement
CFM (L/min) @ 60Hz
0.9 (25)
1.2 (35)
0.9 (25)
1.2 (35)
1.8 (50)
2.5 (70)
CFM (L/min) @ 50Hz
0.75 (21)
1.0 (29)
0.75 (21)
1.0 (29)
1.5 (42)
2.1 (58)
Maximum Vacuum
in. Hg
29.85
2
9.85
29.6
29.6
28.5
2
8.5
Ultimate Pressure
Torr (mbar)
2
(3)
2
(3)
9
(12)
9 (12)
35 (47)
35 (47)
Maximum Continous Pressure
PSIG (Pascal)
0
0
0
0
0
0
Tubing needed, I.D., inches
1/4
1
/4
1/4
1
/4
1/4
Weight , lbs (kg)
21 (9.6)
21 (9.6)
2
1 (9.6)
21 (9.6)
2
1 (9.6)
21 (9.6)
Catalog Number
Wired for 115V, 60Hz, 1 Phase
2
032B-01
2042B-01
2034B-01
2
044B-01
2
037B-0
2047B-01 2014B-01
with North American 115V Plug
Catalog Number
Wired for 230V, 50Hz, 1 Phase
2
032C-02
2042C-02
2
034C-02
2044C-02
2
037C-02
2047C-02 2014C-02
with European Schuko Plug
Catalog Number
Wired for 100V, 50/60Hz, 1 Phase
2032C-05
2042C-05
2034C-05
2044C-05
2037C-05
2047C-05 2014C-05
with North American 115V Plug
Motor H.P.
1/5
1
/5
1/5
1
/5
1/5
1
/5
Motor Voltage
50/60Hz
230V
2
30V
230V
230V
2
30V
2
30V
60Hz
115V
115V
115V
1
15V
1
15V
1
15V
50/60Hz
100V
100V
100V
100V
100V
100V
Motor Amps
230V 50Hz (N.L. - F.L.)
0
.4 - 0.6
0
.4 - 0.6
0
.4 - 0.6
0
.4 - 0.6
0
.4 - 0.6
0
.4 - 0.6
115V 60Hz (N.L. - F.L.)
0.9 - 1.6
0
.9 - 1.6
0
.9 - 1.6
0
.9 - 1.6
0
.9 - 1.6
0
.9 - 1.6
100V 50/60Hz (N.L. - F.L.)
0
.7-1.3 / 0.8-1.4
0
.7-1.3 / 0.8-1.4
0
.7-1.3 / 0.8-1.4
0
.7-1.3 / 0.8-1.4
0
.7-1.3 / 0.8-1.4
0
.7-1.3 / 0.8-1.4
1/4
1.2 (35)
1.0 (29)
28.3
40 (54)
0
1/4
230V
115V
100V
15(6.8)
