OS-7200 Open-air Shakers (General Models)

OS-7200 Open-air Shakers (General Models)


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


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instruments taking up space in your lab.


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)

Lab Equipment Replacement Parts & Accessories

Click button to view parts which are available for this instruments and instruments like it in our brand new online parts shop.

We also carry instruments parts for the following other instruments categories.


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  • We routinely save discerning laboratories 30-80% with our recertified pre-owned and factory clearance instrument offerings.

  • Quality? ISO 9001:2008 certified means we remove 100% of the risk in buying ‘used’ laboratory equipment.

  • Warranties from 90 days to a year as well as multi-year service agreements are available.

GMI is an ISO 9001:2008 certified company - proof that your instruments pass through a rigorous re-certification process to ensure that it arrives at your laboratory defect-free and in full working order.
We are neither an auction company nor an instrumentation broker. GMI employs our own factory-trained engineers to ensure full control of this process.
Unlike small-time businesses and brokers, GMI goes beyond offering money-back promises. We offer real product warranties.
Apart from our meticulous inspection processes, GMI’s available warranties and multi-year service agreements guarantee customer satisfaction - no need to go through frustrating and time-consuming product returns!
Additionally, all items are thoroughly cleaned and professionally packaged/crated with care to insure they arrive in your lab ready for use.