Pumping Speed, Operating Range Pumping Speed, AVS 4.1 (1963) | 1,550 l/s Air, 1,930 l/s He/H2 2,400 l/s Air |
Maximum Throughput | 2.4 T-l/s (3.2 mbar-l/s) in operating range, 3.5 T-l/s (4.5 mbar-l/s) @ 0.01 torr |
Operating Range | 1.5 x 10-3 to <5 x 10-9 torr (2 x 10-3 to < 6.5 x 10-9 mbar) |
Maximum Forepressure | No Load: 0.65 torr (0.85 mbar) Full Load: 0.55 torr (0.72 mbar) |
Recommended Backing Pump | ≥17 cfm (29 m3/hr) |
Backstreaming Rate, Standard Cold Cap | <5 x 10-4 mg/cm2/min |
Warmup Time | 10 minutes |
Cooldown Time | 10 minutes (with quick cool coil) |
Fluid Charge | 500 cc – exact fluid charge available |
Electrical Requirements | 1 ph, 50/60 Hz, 120/208/240 VAC |
Pump Power | 2200 watts |
Cooling Water Requirements | 0.25 gpm (50 l/hr) at 60-80°F (15-26°C) |
Water Connections | 1⁄8 in. FPT Tee |