Instrument

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Simplify your sampling and preparative procedure with Welch's GEMINI pump. Use the same powerful, light-weight vacuum pump in the lab. or in the field!

Quiet GEMINI pumps use DC motors, powered by an AC adapter unit in the lab or a 12 VDC adapter for your vehicle. Pump fumes up to 13L/min/achieve vacuum to 190 Torr.

GEMINI gives you enhanced chemical resistance - tolerant beyond aqueous fumes for use with solvents and weak acids/bases.
GEMINI's high perfomance components will not corrode. Chemical resistance is built in with polyarylamide heads and Viton diaphragms, tubing and valves. The oil-free dry pump design provides top performance in a portable durable package.

For convenient vacuum readout and regulation, order Model 2080.
Vacuum Versatility - Anywhere
  - Sampling/Aspiration
  - Filtration
  - Degassing
  - Desiccation
규격(Specifications)
    Catalog Number
  Welch Model 2050 2060
  Free Air Displacement    
  CFM (L/min) @ 60 Hz 0.3(8.5) 0.46(13)
  Ultimate Pressure, Torr (mbar) 190(253) 200(266)
  Vacuum Regulator and Gauge No Yes
  Max Vacuum, in. Hg 22.4 22.0
  Inlet thread NPT - 1/8
  Tubing Needed, I.D., in.(mm) 3/8(10) 3/8(10)
  Weight, lbs (kg) 5.3(2.4) 11(5)
  Dimensions (LxWxH), in. 7.6X4.5X7.5 (19.4X11.4X19.1) 9.25X7.25X8.5 (23.5X18.4X21.6)
  Ship Weight, lbs (kg) 7(3.2) 13(5.9)
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