Used Lab Equipment

Used Lab Equipment

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Welch Gem 1.0 Vacuum Pump

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Welch Gem 1.0 Vacuum Pump

Welch Gem 1.0 Vacuum Pump

Cambridge Scientific ID #: 13474


The Welch 8890A, GEM 1.0 is a durable vacuum pump with a superior vapor handling capability. The Welch 8890A, Direct Drive Vacuum dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pressure of  1 x 10-1 Torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. This pump also is well suited for use in gas analyzers, continuous gas-flow lasers, general-purpose drying, and similar uses where a middle-range vacuum level is required.


  • Ultimate Pressure (Torr): 1 x 10-1
  • Sound Level (dBA): 58
  • Motor/Pump Speed (60 Hz): 3450
  • Weight: 24.5 lbs. (11.1 kg)
  • Dimensions (L x W x H): 14.5 x 5.1 x 8.4” (36.8 x 13 x 21.3 cm)
In Stock Worldwide Shipping Call: 1-877-Used-Lab

Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.


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