Dual-action Open-air Shakers

Dual-action Open-air Shakers

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Dual-action benchtop platform shakers accommodate flask up to 6L.

The most versatile shakers at a reasonable price offer an ideal solution for your mixing needs.


Control Panel



Operating Features

  • Microprocessor PID control and shaking speed calibration.
  • Dual-action shaking motion: orbital or reciprocating.
  • Speed range: 10 to 500 rpm
  • Timer range: 1 min. to 999 hr 59 min.
  • Adjustable shaking amplitude.
         - 12.7mm or 19.1mm for OS-2000
         - 19.1mm or 25.4mm for OS-3000
  • User friendly control panel.
         - Lab Companion’s unique VFD-bright, clear, easy to read. 
         - Durable membrane touch switch and control knob.
  • Speed is basically set and displayed in increments of 1 rpm.   
    Also speed increment interval can be set among 1, 5, 10 rpm according to users preference.
  • RS-232 port and USB port for external control and data collection.  


Constructional Features

  • Wide speed range even with heavy workload.
    -  Equipped with a maintenance-free BLDC motor to generate 
    smooth, quiet, uniform, and yet powerful shaking motion.  
  • Repetitive task can be easily performed as the plaNorm stops where it starts. 
  • -  Stopping the shaking plaNorm always at the same position is 
    highly beneficial for automated dosing or sampling process.
  • Pleasant test environment by the smooth acceleration and deceleration control.
    -  Smooth start and smooth stop function prevent chemical spills from flasks or test tubes.
  • Low-profile design minimizes vibration or sliding caused by the high speed shaking motion.


Safety Features 

  • Worry-free operation.
    -  Automatic shaking speed adjustment in case of excessive 
    workload such as unbalanced load placement,  unusual 
    vibrations caused from unstable Voor or external shock.  
  • Automatic run after power interruption.
  • Audible/Visible alarm activated by shaking speed deviation.
  • Shaker protection system against over-current, stalled platform check.




Model OS-2000OS 3000
Shaking SystemMotion Type Orbital or Reciprocating motion selectable
Amplitude Size 
(mm / inch, dia.) 
12.7, 19.1 / 0.5, 0.8 (Standard 19.1 / 0.75)19.1, 25.4 / 0.8, 1  (Standard 19.1 / 0.75)
Speed Range (RPM)10 to 500
Accuracy±1% of set speed (>100rpm) / ±(<100rpm)
Timer 1 min. to 999 hr 59 min.
Max. Load (kg / Ibs)10 / 22.0 at 500 rpm in Orbital shaking motion
8.5 / 18.7 at 500 in Reciprocating shaking motion
(WxD) (mm / inch) 
320x260 / 12.6x10.2350x350 / 13.8x13.8
Overall (WxDxH) (mm / inch)1354x388x146 / 13.9x15.3x5.7409x508x141 / 16.1x20x5.6
Net Weight (Kg / lbs)        22 / 48.528 / 61.7
Electrical Requirements (120V, 50 / 60Hz) 0.6A0.6A
Cat. No. AAH3D1165U AAH3D1265U

1 Main unit's dimension is measured without a platform.