HS-2 Diffusion Pump (CAT#: AM-LE-0625-Y)

The HS-2 Diffusion Pump is manufactured by Agilent Technologies, HS Series Pumps are available in 2" and 16" sizes from 1.5" to 2". The 35-inch and other sizes feature high speed, low ultimate pressure, high pumping capacity, high front endurance, and low oil return.

Pumping rate, working range, pumping rate, AVS4.1 (1963): 160 L/s air, 200 L/s helium and hydrogen 285 L/s air
Maximum pumping volume: 0.60 T L/s within the working range, 0.70 T L/s at 0.01 Torr
Operating range: 3.7 x 10^-3 to less than 5 x 10^-8 Torr
Maximum pre-stage withstand voltage: no load: 0.55 torr full load: 0.40 Torr
Oil return rate, standard cooling cap less than 1 x 10^-3 mg/cm2/min
Warm-up time: 15 minutes
Cooling time: 10 minutes (using quick cooling coil)
Oil injection volume: 100 cc
Electrical requirements: single phase, 50/60 Hz, 120/240 VAC
Pump power: 450 W
Cooling water requirement: at 60-80 °F (15-26 °C), the pumping speed is 0.1 gpm (20 L/h)
Connection water cooling: ⅛ inches FPT

• Compact structure, excellent air extraction performance
• Standard quick cooling coil
• High level withstand voltage
• Stainless steel nozzle and pump body
• Fractionating nozzle can purify pump oil
• Foreline baffle prevents pump oil from entering the foreline system and causing loss
• Finned heating plate design increases the surface area and extends the life of the pump oil

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