OHAUS SHHD4550DG Heavy-Duty Digital Orbital Shaker, 51 mm Orbit

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OHAUS SHHD4550DG Heavy-Duty Digital Orbital Shaker

The OHAUS SHHD4550DG Heavy-Duty Digital Orbital Shaker offers consistent and robust shaker motion. Accu-Drive shaking system uses a dual-speed sensor to monitor and maintain shaking speed to provide unparalleled accuracy, longevity and control. The variable speed, microprocessor control provides consistent, uniform orbiting action. The microprocessor displays the last set-point and will restart if power is interrupted. Touch pad controls with easy-to-read, independent LED displays for speed and time allow viewing of both settings at once. Provides repeatable and accurate results every time and is easily visible across lab benches. Timer will display elapsed time or, when programmed to user defined limit, will shut off unit when time reaches zero. Display will show last used settings, even after power has been turned off. RS-232 interface allows two way data communication for logging and control. Speed can also be calibrated via the automatic speed display.

Safety features include speed ramping which helps provide liquid splashing and overload protection. Built-in sensors detect unbalanced conditions and reduces rpms accordingly to maintain safe working conditions. In the event of obstruction or overloading, an audible and visual signal will be activated. The spill-resistant design channels liquids away from internal components. The brushless DC motor features permanently lubricated ball bearings for maintenance-free triple eccentric drive.

Each Incubating Digital shaker is provided with power cord and plug. Also comes with non-skid rubber mat for the tray. Accessories are sold separately and listed under the accessories tab.


  • Microprocessor control ensures consistent repeatable results
  • Accu-Drive shaking system increases durability, control and accuracy
  • Independent LED displays for speed, temp and time
  • User-friendly touchpad controls
  • Timer features audible alarm when it reaches zero
  • Speed ramping helps prevent spilling
  • Overload protection with audible and visual signals
  • Load sensor for continually monitoring safe conditions
  • RS232 Interface and Speed Calibration Mode
  • Adjustable 20-300 RPM speed range
  • Applications: Cell cultures, solubility studies, and extraction procedures.



Orbital 51 mm
Capacity 100lbs (45.4kg)
Calibration Automatic Speed Calibration Mode
Control Digital
Display Highly-visible LED display for speed and time
Timer 1 second to 160 hours
Drive System Triple Eccentric Brushless DC motor
Speed Range 15 to 300 rmps
Speed Accuracy

above 100 rpm ± 1% of set speed

below 100 rpm ± 1 rpm

Dimensions (LxWxH)

28.7 × 26.7 × 6.7" (72.9 × 67.8 × 17.0 cm)

Construction Cold Rolled Steel
Tray Material Aluminum
Tray Size 24 × 24" (61 × 61 cm)
Power 120V, 5A, 50/60Hz
Power Consumption 75 W
Safety Certification TUV
Working Environment 14°F – 140°F, 80%RH, non-condensing
Weight 200lbs (49.5kg)
Ordering Info OHAUS 30391870
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