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Concerto | Vacuum & Pressure Controller | Multiple Rotary Evaporator Controller (Up to 4)



Fine Tune Your Evaporation Process with Concerto! Control up to 4 Rotary Evaporators or Vacuum Chambers or Vacuum Ovens with a Single Vacuum Pump. 


  • Simplify Your Lab & Control More With Less
  • Maximize Throughput With a 17.5 mm vacuum path to each hose barb
  • Precision Control & Intuitive Design
    • Control Range: 2 Torr to 760 Torr
    • Unique Vacuum Control: proportional throttle and proportional bleed control (vent to ATM) delivered from an integral dual valve module per channel
    • Recipes: Program ramps and holds vacuum at different a duration and vacuum level

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Product Description

Another innovation from Across International and DigiVac:

Concerto | Rotary Evaporator Controller

Control Your Evaporation Process Like a Symphony! Control up to 4 Rotary Evaporators or Chambers with a Single
Vacuum Pump. Fine Tune Your Evaporation Process with Concerto!

Silver Innovation Award Winner for Instrumentation at PittCon 2020!

The rotary evaporator controller is particularly useful when you are looking to maintain pressure at a certain level as needed for botanical processing and rotary evaporation. Mounting is bench top.


  • Up to 4 chamber control with only 1 high-end vacuum pump for rotary evaporators up to 100 Liters and Falling Film Systems
  • Fine control of target vapor pressure for more precise compound separation through distillation
  • Enables using reliable and long lasting rotary vane oil pumps & dry scroll pumps in applications where diaphragm
    pumps were previously required
  • Keeps vacuum pumps near their base pressure resulting in greater longevity


  • Largest flow paths available to insure maximum flow for faster evaporation
  • Vacuum flow path is the largest available on the market (17.5 mm) delivers ability to pump down large vacuum chambers very quickly


  • Ease of use through precise automated control with programmable recipes and graphing of vacuum levels
  • Innovative valve control performs both proportional throttle and bleed vacuum control (vent to atmosphere)
  • The integrated bleed design allows you to quickly vent to atmosphere to stop bumping during processing
  • Numerical readings right on the LCD screen and one touch start, stop and release buttons


Valves: Wetted materials aluminum and Viton
Range of Control: 2 Torr to 760 Torr
Accuracy/ Control:+/- 5% of reading
Time to Convergence Within 5% after disturbance: <30 seconds

Integral Sensor for each of the 4 vacuum channels: Isolated Piezo sensor | SEN-775i

  • Integral Sensor Accuracy:+/- 2 Torr
  • Integral Sensor range: 1-775 Torr
  • Integral Sensor wetted materials: 316 Stainless steel, Isolated

Vacuum Path Orifice: Minimum orifice of 17.5 mm
Minimum Bleed Valve Orifice: 10 mm
Set-Points: Quickly dial in set-points with control knob
Vacuum Fittings: Staggered fittings on rear to enable either KF25 vacuum fittings or hose barb for rotovaps
Power: Auto sensing 110 V / 220 V 50/60 Hz power supply
Novel Vacuum Control: proportional throttle and proportional bleed control (vent to atmosphere) delivered from an integral dual valve module per channel
4 Channels: Individually control vacuum and bleed valves for each of 4 channels with dedicated isolated sensors
Output: Ability to be controlled remotely via USB for integration into larger systems

Recipes: Program ramps and holds vacuum at different a duration and vacuum level

Enclosure: 12″ deep x 10.25″ wide x 5.25″ high

Weight: 25 pounds

Certifications: CE, UL, CSA (planned for 1H 2020) RoHS

Additional Information

Weight 30 lbs
Shipping Dimensions 25 x 25 x 16 in
Sensor Type



+/- 2 Torr


Torr, mbar

Total Range

1 – 775 Torr



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