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OS-7200 Open-air Shakers (General Models)

OS-7200 Open-air Shakers (General Models)

GMI SKU#: 8194-10-0932

Powerful driving system with a durable body structure increases shaking capacity. Suitable for larger or heavier workloads requiring accurate and reproducible results. 

For more information or to place an offline order call 1-800-745-2710


Safety Features

  • Worry-free operation. 
    - Automatic shaking speed adjustment in case of excessive workload such as unbalanced load placement, unusual vibrations caused from unstable floor or external shock.
  • Automatic run is available with non-volatile set point memory after power interruption, indicated in control display.
  • Audible/Visible alarm activated by shaking speed deviation.
  • Shaker protection system against over-current, stalled platform check. (Stalled platform check is only for OS-4000)

Operational Features

  • Microprocessor PID control.
    - Intelligent speed controller enables reproducible results.
  • Shaking speed calibration enables matching the displayed rpm to the reference point.
  • Various speed ranges up to max. 500 rpm.
  • Timer range: 1 min. to 999 hr 59 min.
  • Orbit diameter:
    - 19.1mm (Standard) or 25.4mm for OS-4000
    - 25.4mm for OS-7100
    - 50.8mm for OS-7200
  • 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.
  • Built-in 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. (only for OS-4000)
  • 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.
  • 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.
  • Various accessories.
Model OS-4000
OS-7100 OS-7200
Control system PID feedback control
Display VFD
Motion type Orbital
Amplitude Size
(mm / inch, dia.)
19.1 / 0.75 (Standard) 25.4 / 1 (Adjustable) 25.4 / 1 50.8 / 2
Accuracy 1% of set speed (>100rpm) / 1 (<100rpm)
Timer 1 min. to 999 hr 59 min.
Speed Range (RPM) 10 to 500 10 to 450 30 to 500 30 to 300
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
Dimensions Platform (W D)
(mm / inch)
5450 450 / 17.7 17.7 755 520 / 29.6 20.5
Overall (W D H)
(mm / inch)
510x632x156 / 20.1x24.9x6.1 755x627x151 / 29.7x24.7x5.9
Net weight (kg / Ibs) 43 / 94.8 117 / 257.9
Electric requirements
(230V, 50 / 60Hz)
0.3A 0.4A
Cat. No. AAH3D1315K AAH3D1415K AAH3D1515K
Electric requirements
(120V, 50 / 60Hz)
0.6A 0.8A
Cat. No. AAH3D1365U AAH3D1465U AAH3D1565U
GMI Certified Service means:
  • Healthy operation of your instrument
  • Helping to ensure the quality of your results
  • Lowering cost of ownership through multilple service agreement options
  • Prolonging instrument serviceable life
  • Safe Operation of your equipment
  • Minimizing downtime increases productivity and minimizes revenue loss
  • Instrument Evaluation Services
  • Contract Refurbishing
  • Relocation Services
  • Equipment Finder Service
  • Training Courses
  • Depot Repair
  • Instrument Decommisioning & Disposal Services
Service Agreements

Preventative Maintenance Visit
('tune up', including cleaning, lubrication, and adjustments)
1 Service Visit
Service Visit 1PM
1 Service Visit
1 2
Parts and Labor    

Discounted Parts
Discounted Labor (As needed)

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