Jeio Tech OS-4000 and OS-7000 General Shakers

Category Standard Shakers
Manufacturer Jeio Tech
Country of manufacture South Korea

Powerful driving system with a durable body structure increases shaking capacity.

Available with or without a universal platform (platform and/or accessory required for use). Also offered with an optional dedicated platform and full capacity set of 250mL or 500ml flask clamps.  Additional accessories available below.


  • Microprocessor PID control.
    • Intelligent speed controller enables reproducible results.
  • Shaking speed calibration enables matching the displayed rpm to the reference point.
  • Competitive high shaking speed up to 500 rpm.
  • Orbital shaking motion in various diameter.
    • 19.1mm or 25.4mm for OS-4000
    • 25.4mm for OS-7100
    • 50.8mm for OS-7200
  • Wide speed range even with heavy workload.
    • Ideal DD(Direct Drive) Brushless Motor and triple cam system support heavy load, quiet, maintenance free operation and deliver high torque at high speeds and smooth rotation. (for OS-7100/7200)
    • Equipped with a maintenance-free BLDC motor to generate smooth, quiet, uniform, and yet powerful shaking motion. (for OS-4000)
  • Best effort run function intelligently manages its rpm to keep shaking even workload is out of its capacity.
    • Automatic shaking speed adjustment in case of excessive workload such as unbalanced load placement, unusual vibrations caused from unstable floor or external shock.
  • 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.


  • User friendly control panel.
    • Lab Companion’s unique VFD-bright, clear, easy to read.
    • Durable membrane touch switch and control knob.
  • Easy-set digital timer. (1 min. to 999 hr. 59 min.)
  • Repetitive task can be easily performed as the platform stops where it starts.
    • Stopping the shaking platform always at the same position is highly beneficial for automated dosing or sampling process.
  • 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.
  • Built-in RS-232 port and USB port for external control and data collection.
  • Variety of accessories are available to meet application demands.


  • Automatic run after power interruption.
  • Shaking speed deviation alarm.
  • Over-current protection, Stalled platform check. (stalled platform check is for OS-4000)
  • CSA only for OS-4000.
Key Attibutes 
Type Standard Benchtop
Incubation No
Refrigeration No
Stacking No
Platform Area (ft^2) 2.18, 4.21
Max Load (lb) 46,77
RPM - Max 500
RPM - Min 20
Orbit Diameter (mm) 19.1,25.4,50.8
Platform Dimensions 17.7×17.7, 29.6×20.5
Warranty (years) 1 (2 years after submission of warranty registration card)
Weight (lb) 94, 257.9
Width (in) 20.1, 29.7
Depth (in) 24.9
Height (in) 6.1, 5.9
Manufacturer Specifications 
Model OS-4000 OS-7100 OS-7200
Control system PID feedback control
Display VFD
Shaking system Motion type Orbital
Amplitude size (mm / inch, dia.) 19.1 / 0.75 (standard) 25.4 / 1 (adjustable) 25.4 / 1 50.8 / 2
Speed range 2) (rpm) 20 to 500 20 to 450 30 to 500 30 to 300
Accuracy ±1% of set speed (≥100rpm) / ±1 (≤100rpm)
Timer 1 min. to 999 hr. 59 min.
Max. load (kg / Ibs)

14 / 30.9 at 500 rpm

21 / 46.3 at 400 rpm

10 / 22.0 at 450 rpm

21 / 46.3 at 300 rpm

10 / 22.0 at 500 rpm

25 / 55.1 at 400 rpm

23 / 50.7 at 300 rpm

35 / 77.2 at 200 rpm

Dimension Platform (W×D) (mm / inch) 450×450 / 17.7×17.7 755×520 / 29.6×20.5
Body 1) (W×D×H) (mm/inch) 510x632x156 / 20.1x24.9x6.1 755x627x151 / 29.7x24.7x5.9
Net weight (Kg / lbs) 43 / 94.8 117 / 257.9
Electrical requirements (120V, 50 / 60Hz) 0.6A 0.8A
Cat. No. AAH3D1365U AAH3D1465U AAH3D1565U

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Green Leaf
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Jeio Tech OS-4000 and OS-7000 General Shakers Accessories