Ohaus 23 kg Capacity Digital Heavy Duty Orbital Shaker

Category Standard Shakers
Manufacturer Ohaus
Country of manufacture the United States

The OHAUS Digital 23 kg Capacity Heavy Duty Orbital Shaker is designed for a wide range of applications with larger or heavier loads that require accurate and repeatable results. Model SHHD2325DG

Operating Features:

  • Accu-Drive Shaking System: The exclusive patented Accu-Drive Shaking System delivers exceptional speed control, accuracy, and durability. The shaking system continuously monitors shaking speed and maintains set-point, even under changing loads. When unit is set to a speed above 100 rpm, the speed accuracy is ± 1% of set speed. When set under 100 rpm, speed accuracy is ± 1 rpm.
  • Microprocessor Control: The variable speed microprocessor control provides consistent uniform shaking action. Microprocessor will display last set-point and will restart if power is interrupted.
  • Triple Eccentric Drive: Permanently lubricated ball bearings and maintenance free, brushless DC motor provide reliable service and continuous duty operation.
  • LED Display: Touch pad controls with easy-to-read, independent LED displays for speed and time allow operator to view 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.
  • RS232 Interface: Provides two-way communication for data logging and unit control.
  • Speed Calibration Mode: Allows user to automatically recalibrate speed display.

Safety Features:

  • Load Sensor: A built-in load sensor detects unbalanced conditions and automatically reduces rpm to a safe speed to protect samples.
  • Overload Protection: Audible and visual signals will activate when system detects an obstruction or overload of the tray.
  • Speed Ramping Feature: Slowly increases speed to desired set-point to avoid splashing.
  • Audible Alarm: In timed mode, alarm will sound when the time reaches zero. Alarm has optional mute function which can be set from the touch pad control.
  • Spill-Resistant Design: Channels fluids away from internal components.

Operating Conditions: Unit can be run in cold rooms, incubators, and CO2 environments from -10 to 60°C (14 to 140°F), maximum 80% relative humidity, non-condensing.

Applications: Cell cultures, solubility studies, and extraction procedures.

Ordering Information: Units include a detachable, 3-wire cord and plug. Units are also supplied with an 18 × 24" (45.7 × 61 cm) non-skid rubber mat.

Key Attributes
Type Standard Benchtop
Platform Area (ft^2) 3
Platform Dimensions 18 x 24"
Max Load (lb) 50 lb
Incubation No
Refrigeration No
RPM - Max 500
RPM - Min 20
Orbit Diameter (mm) 25 mm
Warranty 2 Years
Weight (lb) 109
Width (in) 26.7"
Depth (in) 23.6"
Height (in) 6"


Manufacturer Specifications
Control Type Digital
Frequency 50 / 60 Hz
Voltage 120V
Amps 5
Watts 75
Speed Range 20 to 500 rpm
Speed Accuracy Above 100 rpm ±1% of set speed
Speed Accuracy Below 100 rpm ±1 rpm
Timer 1 second to 160 hours
Orbit 25 mm (1")
Maximum Capacity 50 lb (22.7 kg)
Tray Material Aluminum
Tray Dimensions 18 x 24"
Overall Dimensions 23.6 x 26.7 x 6"
Applications Cell cultures, solubility studies and extraction procedures.
Certifications TUV Listed
Warranty 2 years
Unit Supplied With A 92" (234cm) detachable, 3-wire cord and plug.
An 18 x 24" (45.7 x 61cm) non-skid rubber mat.
Origin Manufactured in the USA

I have an application where I need to shake items under vacuum. Can this shaker be used in a high-vacuum environment?

There could be issues with the controls. There is a small air pocket behind the buttons on the front panel, and placing the unit under vacuum would remove that air and cause the buttons not to function. If you do not need very precise control, the Analog version would be recommended above the Digital Shaker for such an application.


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